Updated on 2024/05/16

写真a

 
KOTANI Tomonari
 
Organization
Research Field in Fisheries, Agriculture, Fisheries and Veterinary Medicine Area Faculty of Fisheries Department of Fisheries Science and Technology Professor
Title
Professor
Contact information
メールアドレス

Degree

  • Doctor of Philosophy ( 1999.9   Nagasaki University )

Research Interests

  • finfish larva

  • Copepod

  • Rotifer

  • Live feed

  • 餌料生物

  • aquaculture

  • 遺伝子

  • larviculture

  • live feed

  • 生物機能

  • 株間交雑

  • 増養殖

  • 品種改良

  • 両性生殖

  • rotifer

  • シオミズツボワムシ

  • copepod

  • larval rearing

Research Areas

  • Life Science / Aquatic bioproduction science  / Aquaculture and stock enhancement

  • Life Science / Aquatic bioproduction science  / Larval rearing

  • Life Science / Aquatic bioproduction science  / Aquaculture

Education

  • Nagasaki University   Faculty of Fisheries   Department of Fisheries

    1990.4 - 1994.3

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    Country： Japan

Research History

  • Kagoshima University   Research Field in Fisheries, Agriculture, Fisheries and Veterinary Medicine Area Faculty of Fisheries Department of Fisheries Science and Technology   Professor

    2018.10

  • Kagoshima University   Faculty of Fisheries   Professor

    2018.10

  • Kagoshima University   Research Field in Fisheries, Agriculture, Fisheries and Veterinary Medicine Area Faculty of Fisheries Department of Fisheries Science and Technology   Associate Professor

    2010.10 - 2018.9

  • Faculty of Fisheries, Kagoshima University   Associate Professor

    2010.10 - 2018.9

  • Fukuyama University   Faculty of Life Science and Biotechnology   Associate Professor

    2004.4 - 2010.9

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    Country：Japan

  • 長崎県産業振興財団   研究員

    2002.5 - 2004.3

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    Country：Japan

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Professional Memberships

  • 日本水産学会

    2015.10

  • Asian Fisheries Society

    2015.10

  • European Aquaculture Society

    2015.10

  • World Aquaculture Society

    2015.10

  • 日本魚病学会

    2015.10

  • 日本プランクトン学会

    2015.10

  • 日本水産増殖学会

    2015.10

  • THE JAPANESE SOCIETY OF FISHERIES SCIENCE

  • JAPAN AQUACULTURE SOCIETY

  • THE PLANKTON SOCIETY OF JAPAN

  • World Aquaculture Society

  • European Aquaculture Society

▼display all

 

Papers

  • Hideaki Matsui, Satoshi Kono, Kakeru Ishibashi, Manabu Ishikawa, Tomonari Kotani .  Assessment of microalga Tisochrysis lutea in the deceleration growth phase as a n-3 HUFA source for Brachionus plicatilis rotifers in Japanese flounder larviculture .  Aquaculture International   2024.4

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s10499-024-01483-7

    Scopus

  • Taku Sasaki, Hideaki Matsui, Yusuke Kuwabara, Saichiro Yokoyama, Manabu Ishikawa, Tomonari Kotani .  Euryhaline copepod Pseudodiaptomus inopinus changed the prey preference of red sea bream Pagrus major larvae .  Fisheries Science90 ( 2 ) 281 - 294   2024.3

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s12562-024-01751-8

    Scopus

  • Kumbukani Mzengereza, Manabu Ishikawa, Shunsuke Koshio, Ronick S. Shadrack, Yukun Zhang, Serge Dossou, Tomonari Kotani, Shimaa A. Shahin, Amr I. Zaineldin, Viliame Waqalevu, Mahmoud A.O. Dawood, Aziza M. Hassan, Mona Mohammad Al-Sharif, Mohammed Fouad El Basuini .  Responses of growth, blood health, pro-inflammatory cytokines genes, intestine and liver histology in Red Seabream (Pagrus major) to camelina meal .  Aquaculture Reports24   2022.6

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    The current work assessed the inclusion impacts of oilseed camelina meal (CM) as a protein source in red sea bream (Pagrus major) diets. A 45 day assessment period with 180 juveniles (6.47 ± 0.17 g) were allocated in triplicates to 4 experimental groups and fed formulated diets in which fish meal (FM) was subrogated at graded series of 0% (T1), 20.5% soybean meal (T2), 20.5% camelina meal (T3), and 33% camelina meal (T4). No noticeable alterations were observed in specific growth rate, feed intake, survival rate, hepatosomatic index, and Fulton's condition factor among the experimental groups. Fish fed the T4 diet showed considerably reduced (P < 0.05) final weight and body protein content when compared to those fed T2, T3, and basal diets. Plasma biochemical parameters show no differences (P > 0.05) in glucose, total bilirubin, total protein, total cholesterol, triglyceride, glutamyl oxaloacetic transaminase, and glutamic pyruvate transaminase. Hematocrit levels decreased noticeably (P < 0.05) in fish groups fed camelina meal in comparison to the control group. Liver and intestinal histology showed a healthy status and an increase in villus length and goblet cell number in camelina groups. Fish fed the T4 diet displayed higher expression levels (P < 0.05) of relative mRNA interleukin 1 beta (IL-1b) and tumor necrosis factor-alpha (TNF-α) in comparison to other groups. The inclusion of camelina meal (up to 20%) in red sea bream diets produced similar outcomes to specimens fed fish meal and soybean meal.

    DOI： 10.1016/j.aqrep.2022.101175

    Scopus

  • Hideaki Matsui, Shinji Sugihara, Mayumi Wada, Tatsurou Ozaki, Takeshi Saitoh, Tomonari Kotani .  Application of genetic disruption of a Nannochloropsis oceanica cell wall synthesizing gene to n-3 HUFA enrichment of Brachionus plicatilis .  Aquaculture552   738022 - 738022   2022.2

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier {BV}  

    DOI： 10.1016/j.aquaculture.2022.738022

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  • Kumbukani Mzengereza, Manabu Ishikawa, Shunsuke Koshio, Saichiro Yokoyama, Zhang Yukun, Ronick S. Shadrack, Seok Seo, Tomonari Kotani, Serge Dossou, Mohammed F. El Basuini, Mahmoud A.O. Dawood .  Growth performance, growth-related genes, digestibility, digestive enzyme activity, immune and stress responses of de novo camelina meal in diets of red seabream (Pagrus major) .  Animals11 ( 11 )   2021.11

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    A 60-day experiment was designed to assess the effect of different ratios of fish meal (FM): camelina meal plant protein (CM) on growth response and relative gene expression of growth-pro-moting factors, feed utilization potency, digestive enzymes activities, apparent digestibility (ADC), stress response, non-specific immunity of Pagrus major. Four isonitrogenous (490.7 g/kg of crude protein) and isolipidic (91.5 g/kg total lipid) experimental diets were formulated and designated as camelina meal (CM0), soyabean meal (SBM20.5), CM20.5, and CM33 based on protein contents. At the end of the feed trial, significantly higher (p < 0.05) weight gain, specific growth rate, and feed intake but lower feed conversion ratio were recorded in fish fed CM0, SBM20.5, and CM20.5 than fish fed CM33. The lowest growth, feed utilization, enzyme activity, and digestibility were recorded in fish fed CM33. Significantly higher pepsin, amylase, and protease activities were observed in fish fed CM0, SBM20.5, and CM20.5 diets than fish fed CM33. The highest ADC of protein was recorded in fish fed CM0, SBM20.5, and CM20.5 diets. Hematocrit levels were depressed CM33 while total serum protein, total cholesterol, triglyceride, blood urea nitrogen, total bilirubin, aspartate ami-notransferase, and alanine aminotransferase were not significantly changed by the inclusion of CM. Non-specific immune variables (lysozyme activity, peroxidase activity in serum and nitro blue te-trazolium) in fish fed CM0, SBM20.5, and CM20.5 were significantly higher than in fish fed CM33 diet. The superoxide dismutase of fish fed CM20.5 was not significantly different from CM0 and SBM20.5 (p > 0.05). Catalase and low salinity stress test show that CM0, SBM20.5, and CM20.5 were not significantly (p > 0.05) different, while CM33 was significantly lower than the rest of the diets. TBARs show that CM20.5 and CM33 diets were significantly different (p < 0.05), but CM20.5 was not significantly different from SBM20.5. Significantly higher hepatic IGF-1 and IGF-2 mRNA expression was found in fish-fed diet groups CM0, SBM20.5, and CM20.5 than fish fed CM33. The present study indicated that the addition of CM up 205 kg/kg to diet maintains growth, digestive enzymes, nutrient digestibility, immunity, stress resistance, and feed utilization efficiency of red sea bream.

    DOI： 10.3390/ani11113118

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    PubMed

  • Akinobu Honda, Oki Hayasaka, Kenjiro Mio, Koji Fujimura, Tomonari Kotani, Masaharu Komatsu, Kazuhiro Shiozaki .  The involvement of Nile tilapia (Oreochromis niloticus) Neu4 sialidase in neural differentiation during early ontogenesis .  Biochimie185   105 - 116   2021.6Reviewed

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.biochi.2021.03.008

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    PubMed

  • Tran Nguyen Duy Khoa, Viliame Waqalevu, Akinobu Honda, Hideaki Matsui, Nguyen Xuan Truong, Kenzo Sakaguchi, Hirofumi Kawaji, Manabu Ishikawa, Kazuhiro Shiozaki, Tomonari Kotani .  Enrichment effects of fermented by-product of Shochu distillery on Brachionus plicatilis sp. rotifer and larviculture performance in Japanese flounder (Paralichthys olivaceus) .  Aquaculture535   736352 - 736352   2021.3Reviewed International coauthorship

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    The effective use of distillery by-products of the shochu sweet potato has long been considered as a rich source of protein, fiber, amino acids, fatty acids, probiotics with a great potential as a functional feed for animals. This study applied fermented by-product of Shochu distillery (FBPSD) and salmon roe emulsion oil for rotifer enrichment to evaluate its effects on the: (i) nutritional composition of rotifers and (ii) feeding responses of Paralichthys olivaceus larvae when fed with enriched rotifers. The salmon roe oil enrichment was set as a control diet and FBPSD was supplemented at different doses (1, 5 and 10 % based on the salmon roe oil amount). The results showed that the rotifers supplemented with FBPSD at 5 and 10 % significantly enhanced protein, carbohydrate, and HUFA content. Similarly, the activity and expression profiles of targeted enzymes including trypsin, chymotrypsin, lipase and amylase effectively responded at early and middle-metamorphosis of the larvae to 5 and 10 % enrichment regiment. These two treatments were also found to be better supported in energy metabolism evidenced by Cytochrome-C-Oxidase (cox) and ATPase-pk (atp) gene expression in the larvae. Moreover, the expression levels of immune-related genes (IL-10, IL-1 beta, TNF-alpha, P2Y(6)) and antioxidant-related genes (SOD, CAT) were significantly improved at 5 and 10 % of FBPSD. Cessation of feeding and delay in growth during the metamorphic process was also molecularly demonstrated. Larvae suffered low survival (24.5-25.3 %) in control and 1 % supplementation of FBPSD, but significantly improved at 5 and 10 % (36.4-38.7%). However, the growth performance of larval fish was not remarkable after 40 days of culture. The results of this study revealed that FBPSD could be considered as a potential supplementary enrichment for live feed in fish larviculture, especially at 5 and 10 % rotifer enrichment dosage.

    DOI： 10.1016/j.aquaculture.2021.736352

    Web of Science

    Scopus

  • Hideaki Matsui, Taku Sasaki, Toru Kobari, Viliame Waqalevu, Kazuma Kikuchi, Manabu Ishikawa, Tomonari Kotani .  DHA accumulation in the polar lipids of the euryhaline copepod Pseudodiaptomus inopinus and its transfer to red sea bream Pagrus major larvae .  Frontiers in Marine Science8   632876 - 632876   2021.2Reviewed

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Frontiers Media SA  

    The euryhaline copepod <italic>Pseudodiaptomus inopinus</italic> play important roles in coastal waters as vectors of docosahexanoic (DHA) and eicosapentaenoic (EPA) acids for larval fish. While DHA and EPA in polar lipids (PLs) are more effective for fish larval development than non-polar lipid forms (NLs), there is little knowledge how much these lipids are accumulated in copepods from microalgae and are effective for early development of fish larvae. We report PLs fatty acid profiles of <italic>P. inopinus</italic> fed DHA-poor microalgae and evaluate its significance as a food source for larvae development of <italic>Pagrus major</italic>, compared with DHA-enriched rotifers. Copepods and rotifers were fed a mixed diet of three algal species (<italic>Phaeodactylum tricornutum</italic>, <italic>Tisochrysis lutea</italic>, and <italic>Pavlova lutheri</italic>), in addition of DHA-supplemented Super Fresh Chlorella (SFC) for rotifers. Compared with SFC, the algal mixture had higher EPA but lower DHA. Copepods had higher DHA and EPA in total lipids than rotifers fed each diet. Copepod PLs were specifically enriched with DHA and their contents were higher than both rotifers. On the other hand, PLs EPA contents were comparable between preys, indicating that copepods selectively fortified the PLs. Fish culture experiment showed that larvae fed copepods had higher growth than those fed SFC-enriched rotifers. Principal component analysis for each organism fatty acid composition emphasized trophic modification of DHA by copepods toward larval fish. This study highlighted that <italic>P. inopinus</italic> contribute to enhanced growth of coastal larval fish by efficiently transferring DHA via copepod fatty acid metabolism.

    DOI： 10.3389/fmars.2021.632876

    Scopus

  • Tran Nguyen Duy Khoa, Viliame Waqalevu, Akinobu Honda, Kazuhiro Shiozaki, Tomonari Kotani .  An integrative description of the digestive system morphology and function of Japanese flounder (Paralichthys olivaceus) during early ontogenetic development .  Aquaculture531   735855   2021.1Reviewed International coauthorship International journal

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ELSEVIER  

    A good understanding of the morphological and functional changes during early larval fish ontogeny is essential for the enhancement of larviculture techniques. This study applied an integrative approach to describe the ontogenetic development of the Japanese flounder (Paralichthys olivaceus) emphasizing the changes in histology and related functions of its digestive system. Changes in histological structures of the digestive tract, expression and activity of digestive enzymes (trypsin, chymotrypsin, lipase, pepsin, amylase), expression of energy metabolism (ATP synthase (atp), cytochrome-c-oxidase (cox), regulatory factors (neuropeptide Y (npy), cholecystokinin (cck)) and growth (insulin like growth factor 1 (igf1), growth hormone (GH)) were investigated and linked to larval biometrics. The larvae absorbed nutrients from its yolk upon hatching until mouth opening (3 DAH), before beginning its exogenous nutritional phase. The digestive tract differentiations were histologically observed at 5 DAH. The results showed that the targeted enzymes were genetically programmed and activated from hatching, except pepsin which was detected at 25 DAH coinciding with visible development of the gastric glands. The larval stages (3-5 DAH) were marked with high mortality at exogenous feeding transition and also at the onset of metamorphosis (20-30 DAH). Energy metabolism, growth and peptide regulatory factor related genes were transcribed and translated at hatching to assist upon the onset of exogenous feeding. Less feeding and growth delay were noticed between 20 and 30 DAH. The digestive system was fully developed by 35 DAH and larvae transited to settlement life.

    DOI： 10.1016/j.aquaculture.2020.735855

    Web of Science

    Scopus

  • Tran Nguyen Duy Khoa, Oki Hayasaka, Hideaki Matsui, Viliame Waqalevu, Akinobu Honda, Kentaro Nakajima, Hirofumi Yamashita, Manabu Ishikawa, Kazuhiro Shiozaki, Tomonari Kotani .  Changes in early digestive tract morphology, enzyme expression and activity of Kawakawa tuna (Euthynnus affinis) .  Aquaculture530   735935   2021.1Reviewed International coauthorship

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ELSEVIER  

    Kawakawa tuna (Euthynnus affinis) is a novel target species for aquaculture in Japan and currently there is very limited knowledge on its early ontogenetic development in captivity. The ontogeny of E. affinis larvae from hatching to 20 days after hatching (DAH) was illustrated in the present study through an integrated approach of histology, biochemistry and molecular approaches. Larvae were fed enriched L-type rotifer Brachionus plicatilis species complex from 2 to 10 DAH, followed by enriched Artemia nauplii. Target digestive enzymes; trypsin, pepsin, lipase and amylase were assessed in order to evaluate nutritional condition. The larvae began exogenous feeding from 2 DAH, coinciding with the opening of the oral capacity and anus. The yolk sac was rapidly consumed and completely resorbed at 3 DAH, while the oil globule disappeared by 5 DAH. Enzymatic activity and expression of the target enzymes were detectable at hatching, except pepsin. With the development of the gastric glands, pepsin activity was then detected at 10 DAH, which was followed by rapid increase in pepsin activity at 15 DAH. The larvae showed rapid growth, however, high mortality also occurred at 6-10 DAH which has been highlighted as a critical stage in the larviculture of E. affinis. From 15 to 20 DAH, the histological structures of the digestive tract were completely segmented with the digestive tract resembling that of its juvenile stages. The activity of trypsin, pepsin, and lipase tended to increase sharply, while amylase dramatically dropped, possibly indicating a change in dietary preference. Findings from the present study provides a preliminary insight into the early development of the digestive system and associated digestive enzymes of E. affinis larvae and establishes an initial step towards the rearing and feeding protocol optimization of this novel target species.

    DOI： 10.1016/j.aquaculture.2020.735935

    Web of Science

    Scopus

  • Oki Hayasaka, Kazuhiko Anraku, Yuya Akamatsu, Yung-Che Tseng, Miguel Vazquez Archdale, Tomonari Kotani .  Threshold and spectral sensitivity of vision in medaka Oryzias latipes determined by a novel template wave matching method .  Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology251   110808 - 110808   2021.1Reviewed International journal

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    Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    We propose a new analytical method for determining the response threshold in electroretinogram (ERG) in which the wave shows a biphasic slow dc-potential shift. This method uses the recorded wave to the highest intensity stimuli in each wavelength tested as a template wave f(t), and it was compared with other recorded waves obtained under lower intensities g(t). Our test recordings in medaka Oryzias latipes were analogous between the template and the compared waveforms, although there were differences in amplitude and time lag (τ, peak time difference) which occurred as a result of the difference in stimulus intensity. Cross-correlation analysis was applied. Based on the obtained cross-correlation function Cfg(τ) in each comparison, τ was determined as the time lag at which the cross-correlation coefficient Rfg(τ) showed the maximum value. Determined thresholds that were based on both the experimenter's visual inspection and this new method agreed well when the adoption condition was set to satisfy R(τ) ≥ 0.7 and τ ≤ 150 ms in scotopic or τ ≤ 120 ms in photopic conditions. We concluded that this "template wave matching method" is a quick and reliable objective assessment that can be used to determine the threshold. This study analyzed ERG recordings in response to 6 kinds of wavelength light stimuli (380 nm to 620 nm) at different photon flux densities. We report the threshold levels and relative spectral sensitivities in scotopic and photopic vision of medaka.

    DOI： 10.1016/j.cbpa.2020.110808

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    PubMed

  • Hideaki Matsui, Modesto Melden Briones Intoy, Viliame Waqalevu, Manabu Ishikawa, Tomonari Kotani .  Suitability of Tisochrysis lutea at different growth phases as an enrichment diet for Brachionus plicatilis sp. complex rotifers .  Journal of Applied Phycology32 ( 6 ) 3933 - 3947   2020.8Reviewed International coauthorship

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

    DOI： 10.1007/s10811-020-02216-y

    Scopus

    Other Link： http://link.springer.com/article/10.1007/s10811-020-02216-y/fulltext.html

  • Hideaki Matsui, Kazuhiro Shiozaki, Yutaka Okumura, Manabu Ishikawa, Viliame Waqalevu, Oki Hayasaka, Akinobu Honda, Tomonari Kotani .  Effects of phosphorous deficiency of a microalga Nannochloropsis oculata on its fatty acid profiles and intracellular structure and the effectiveness in rotifer nutrition .  Algal Research49   144538   2020.8Effects of phosphorous deficiency of a microalga Nannochloropsis oculata on its fatty acid profiles and intracellular structure and the effectiveness in rotifer nutritionReviewed

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier  

  • Keiji Okada, Ryo Takase, Yurie Hamaoka, Akinobu Honda, Asami Ikeda, Yoichiro Hokazono, Yutaro Maeda, Oki Hayasaka, Tomonari Kotani, Masaharu Komatsu, Kazuhiro Shiozaki .  Establishment and characterization of Neu1-knockout zebrafish and its abnormal clinical phenotypes .  Biochemical Journal477 ( 15 ) 2841 - 2857   2020.8Reviewed

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1042/BCJ20200348

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    PubMed

  • Akinobu Honda, Petros Kingstone Chigwechokha Chigwechokha, Ryo Takase, Oki Hayasaka, Koji Fujimura, Tomonari Kotani, Masaharu Komatsu, Kazuhiro Shiozaki .  Novel Nile tilapia Neu1 sialidases: Molecular cloning and biochemical characterization of the sialidases Neu1a and Neu1b .  Gene742   144538   2020.6Novel Nile tilapia Neu1 sialidases: Molecular cloning and biochemical characterization of the sialidases Neu1a and Neu1bReviewed

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier  

  • Kazuhiro Shiozaki, Momoko Kawabe, Kiwako Karasuyama, Takayoshi Kurachi, Akito Hayashi, Koji Ataka, Haruki Iwai, Hinako Takeno, Oki Hayasaka, Tomonari Kotani, Masaharu Komatsu, Akio Inui .  Neuropeptide Y deficiency induces anxiety-like behaviours in zebrafish (Danio rerio) .  Scientific Reports10   5913   2020.4Neuropeptide Y deficiency induces anxiety-like behaviours in zebrafish (Danio rerio)Reviewed

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer  

  • Tran Nguyen Duy Khoa, Viliame Waqalevu, Akinobu Honda, Kazuhiro Shiozaki, Tomonari Kotani .  Comparative study on early digestive enzyme activity and expression in red sea bream (Pagrus major) fed on live feed and micro-diet .  Aquaculture519   734721   2020.3Comparative study on early digestive enzyme activity and expression in red sea bream (Pagrus major) fed on live feed and micro-dietReviewed

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    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier  

  • Tran Nguyen Duy Khoa, Viliame Waqalevu, Akinobu Honda, Kazuhiro Shiozaki, Tomonari Kotani .  Early ontogenetic development, digestive enzymatic activity and gene expression in red sea bream (Pagrus major) .  Aquaculture519   734283   2019.10Early ontogenetic development, digestive enzymatic activity and gene expression in red sea bream (Pagrus major)Reviewed

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    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier  

  • Viliame Waqalevu,Akinobu Honda,Serge Dossou,Tran Nguyen Duy Khoa,Hideaki Matsui,Kumbukani Mzengereza,Hanlin Liu,Manabu Ishikawa,Kazuhiro Shiozaki,Tomonari Kotani .  Effect of oil enrichment on Brachionus plicatilis rotifer and first feeding red sea bream (Pagrus major) and Japanese flounder (Paralichthys olivaceus) .  Aquaculture510   73 - 83   2019.8Effect of oil enrichment on Brachionus plicatilis rotifer and first feeding red sea bream (Pagrus major) and Japanese flounder (Paralichthys olivaceus)Reviewed

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    Language：English   Publishing type：Research paper (scientific journal)  

  • Viliame Waqalevu,Hideaki Matsui,Akinobu Honda,Serge Dossou,Atsushi Yamamoto,Kazuhiro Shiozaki,Tomonari Kotani .  Enrichment effect on two Brachionus plicatilis sp. complex morphotypes fed three nutritional enrichment diets .  Aquaculture Science67 ( 2 ) 139 - 155   2019.7Enrichment effect on two Brachionus plicatilis sp. complex morphotypes fed three nutritional enrichment dietsReviewed

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

  • Oki Hayasaka,Hideaki Matsui,Midori Matsuoka,Morihiko Yamada,Tomonari Kotani .  Sex change in protogynous fish red-belted anthias Pseudanthias rubrizonatus (Serranidae) in Kagoshima Bay, Japan .  Journal of Ichthyology59 ( 3 ) 366 - 371   2019.6Sex change in protogynous fish red-belted anthias Pseudanthias rubrizonatus (Serranidae) in Kagoshima Bay, JapanReviewed

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  • Oki Hayasaka,Yutaka Takeuchi,Kazuhiro Shiozaki,Kazuhiko Anraku,Tomonari Kotani .  Green light irradiation during sex differentiation induces female-to-male sex reversal in the medaka Oryzias latipes .  Scientific Reports9   2383   2019.2Green light irradiation during sex differentiation induces female-to-male sex reversal in the medaka Oryzias latipesReviewed

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

  • Hideaki Matsui,Kazuhiko Anraku,Tomonari Kotani .  Spectrophotometry can monitor changes in algal metabolism triggered by nutrient deficiency in Nannochloropsis oculata cultured under various light-emitting diode light regimes .  Fisheries Science85 ( 1 ) 167 - 176   2019.1Spectrophotometry can monitor changes in algal metabolism triggered by nutrient deficiency in Nannochloropsis oculata cultured under various light-emitting diode light regimesReviewed

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    Language：English   Publishing type：Research paper (scientific journal)  

  • Viliame Waqalevu, 松井 英明, 本田 晃伸, Serge Dossou, 山本 淳, 塩崎 一弘, 小谷 知也 .  各種栄養強化剤を摂取した広塩性ツボワムシ <i>Brachionus plicatilis</i> 複合種2種の個体群増殖，脂肪酸組成およびタンパク質含量の比較 .  水産増殖67 ( 2 ) 139 - 155   2019Reviewed

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：水産増殖談話会  

    <p><i>Brachionus plicatilis </i>複合種 SS および L 型に及ぼす3 種の栄養強化剤（DHA 強化クロレラ，冷凍ナンノクロロプシスおよび乳化筋子油）の餌料効果を比べた（対照区：濃縮淡水クロレラ）。両型ワムシの増殖速度と脂肪酸含量は試験区間で変化した。 非極性脂質と極性脂質の含量はワムシ型間で変化した。可溶性タンパク質は両型で DHA 強化クロレラおよび生クロレラ給餌で多かった。冷凍ナンノクロロプシスを除いた全ての試験区で，SS 型の可溶性タンパク質含量は L 型よりも高かった。 ワムシ型に応じて，培養方法，強化剤の投与量および脂肪酸要求量を考慮する必要がある。</p>

    DOI： 10.11233/aquaculturesci.67.139

    Scopus

  • Viliame Waqalevu,Akinobu Honda,Hideaki Matsui,Kazuhiro Shiozaki,Tomonari Kotani .  Proteolytic digestive enzyme response in Japanese flounder Paralichthys olivaceus fed two types of rotifers Brachionus plicatilis species complex .  Fisheries Science84 ( 6 ) 1037 - 1049   2018.11Proteolytic digestive enzyme response in Japanese flounder Paralichthys olivaceus fed two types of rotifers Brachionus plicatilis species complex

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  • 早坂央希, 永田兼大, 垣内美由紀, 宮本真規子, 石崎宗周, 小谷知也 .  コロンビア・マグダレナ大学での新たな養殖プロジェクト創出と学生派遣によるJICA大学間連携ボランティアプログラムの役割について .  農学国際協力16   31 - 40   2018.3コロンビア・マグダレナ大学での新たな養殖プロジェクト創出と学生派遣によるJICA大学間連携ボランティアプログラムの役割についてReviewed

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：名古屋大学農学国際教育研究センター  

  • Hideaki Matsui, Ryo Okawa, Kazuhiko Anraku, Tomonari Kotani .  Application of spectrophotometry to estimate optimum condition of Nannochloropsis oculata batch culture for a diet of zooplankton .  Aquaculture Science65 ( 3 ) 209 - 219   2017.9Application of spectrophotometry to estimate optimum condition of Nannochloropsis oculata batch culture for a diet of zooplanktonReviewed

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  • Tomonari Kotani, Takumi Haraguchi, Yuta Yamazaki, Tatsuya Doi, Hideaki Matsui, Saichiro Yokoyama, Manabu Ishikawa, Shunsuke Koshio .  Effect of the length of nutritional enrichment on the fatty acid composition of polar lipids of euryhaline rotifers Brachionus and larviculture performance of red sea bream Pagrus major .  Aquaculture Science65 ( 2 ) 133 - 144   2017.6Effect of the length of nutritional enrichment on the fatty acid composition of polar lipids of euryhaline rotifers Brachionus and larviculture performance of red sea bream Pagrus majorReviewed

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    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：日本水産増殖学会  

  • Tomonari Kotani,Hiroyuki Imari,Aki Miyashima,Hiroshi Fushimi .  Effects of feeding with frozen freshwater cladoceran Moina macrocopa on the performance of red sea bream Pagrus major larviculture .  Aquaculture International24 ( 1 ) 183 - 197   2016.2Reviewed

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    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer  

    The feeding effects of freshwater cladoceran Moina macrocopa to the larvae and juveniles of red sea bream were investigated. M. macrocopa was mass-cultured with freshwater Chlorella as feed and was enriched nutritionally with a commercial enrichment diet. Because M. macrocopa die in seawater within a few minutes, the cladocerans were frozen after nutritional enrichment. The survival rates, growth rates and stress tolerances of fish fed with enriched M. macrocopa were compared with those fed with enriched Artemia and with zooplankton harvested from open seawater. The fatty acid composition of each type of zooplankton was analyzed. Mass-cultured M. macrocopa could be enriched with a commercial enrichment diet. The DHA/EPA ratio of M. macrocopa was inferior to that of enriched Artemia nauplii and wild zooplankton. Although the growth and stress tolerance of fish fed on frozen M. macrocopa were inferior to those fed with enriched Artemia nauplii and wild zooplankton, their survival rate was superior. It was concluded that frozen and enriched M. macrocopa could be fed to red sea bream larvae and juveniles. However, it is necessary to improve its fatty acid composition, particularly the DHA content.

    DOI： 10.1007/s10499-015-9918-3

  • 米山和良,國澤慎太郎,外薗博人,小谷知也,今村昭則,松岡達郎 .  画像解析による水槽内を遊泳するクロマグロ稚魚の３次元位置の検出 .  数理水産科学 12   51 - 61   2015.2画像解析による水槽内を遊泳するクロマグロ稚魚の３次元位置の検出

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  • Tomonari Kotani, Hiroshi Fushimi, Yuka Ohta, Aki Miyashima, Ken-suke Sudoh, Masahiro Hayashi, Nobumitsu Satoh, Shuichi Satoh .  Effect of graded levels of dietary DHA included in rotifers Brachionus plicatilis on larviculture performance of red sea bream Pagrus major .  Aquaculture Science61 ( 4 ) 321 - 330   2013.12Effect of graded levels of dietary DHA included in rotifers Brachionus plicatilis on larviculture performance of red sea bream Pagrus majorReviewed

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  • Aki Miyashima,Tomonari Kotani, Hirohito Tawa, Hiroshi Fushimi .  Relationship between oxygen consumption, growth and survival of larval fish .  Aquaculture Research43 ( 5 ) 679 - 687   2012.4Relationship between oxygen consumption, growth and survival of larval fishReviewed

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  • Yutaka Haga, Shao-Jun Du, Shuichi Satoh, Tomonari Kotani, Hiroshi Fushimi, Toshio Takeuchi .  Analysis of mechanism of skeletal deformity in fish larvae using vitamin A-induced bone deformity model .  Aquaculture315 ( 42006 ) 26 - 33   2011.4Analysis of mechanism of skeletal deformity in fish larvae using vitamin A-induced bone deformity modelReviewed

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  • Tomonari Kotani, Hiroshi Fushimi .  Determination of the appropriate feeding schedule in finfish larviculture, relating to diurnal feeding rhythm .  Aquaculture315 ( 42006 ) 104 - 113   2011.4Determination of the appropriate feeding schedule in finfish larviculture, relating to diurnal feeding rhythmReviewed

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  • Tomonari Kotani, Masashi Yokota, Hiroshi Fushimi, Seiichi Watanabe .  How to determine the appropriate mortality in experimental larval rearing? .  Fisheries Science77 ( 2 ) 255 - 261   2011.3How to determine the appropriate mortality in experimental larval rearing?Reviewed

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  • Tomonari Kotani, Yoshiyuki Wakiyama, Tatsuhiro Imoto, Hiroshi Fushimi .  Improved larviculture of ocellate puffer Takifugu rubripes through control of stocking density .  Aquaculture312 ( 42008 ) 95 - 101   2011.2Improved larviculture of ocellate puffer Takifugu rubripes through control of stocking densityReviewed

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  • Tomonari Kotani, Teruhisa Genka, Mari Tanabe, Aki Miyashima, Hiroshi Fushimi, Masahiro Hayashi .  Effect of nutritional enrichment method on fatty acid contents of rotifer Brachionus plicatilis .    41 ( 6 ) 884 - 892   2010.12Effect of nutritional enrichment method on fatty acid contents of rotifer Brachionus plicatilisReviewed

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  • Tomonari Kotani, Hiroshi Fushimi .  Diel Feeding rhythm of finfish larvae and establishment of appropriate feeding schedule .  Larvi’09 -Fish & Shellfish larviculture Symposium. European Aquaculture Society, Special Publication No. 38, Oostende, Belgium   207 - 208   2009.9Diel Feeding rhythm of finfish larvae and establishment of appropriate feeding scheduleReviewed

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  • Yutaka Haga, S.-J. Du, Shuichi Satoh, Tomonari Kotani, Hiroshi Fushimi, Toshiro Takeuchi .  Analysis of skeletal deformity in fish vitamin A- induced bone deformity model .  Larvi’09 -Fish & Shellfish larviculture Symposium. European Aquaculture Society, Special Publication No. 38, Oostende, Belgium   149 - 150   2009.9Analysis of skeletal deformity in fish vitamin A- induced bone deformity modelReviewed

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  • Aki Miyashima, Tomonari Kotani, Hirohito Tawa, Hiroshi Fushimi .  Relationship among oxygen consumption, growth and survival of larval fishes .  Larvi’09 -Fish & Shellfish larviculture Symposium. European Aquaculture Society, Special Publication No. 38, Oostende, Belgium   269 - 271   2009.9Relationship among oxygen consumption, growth and survival of larval fishesReviewed

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  • Nguyen Van Tien, Seiji Matsumoto, Yutaka Haga, Tomonari Kotani, Hiroshi Fushimi, Shuichi Satoh .  Development of zinc and manganese enrichment methods in live food and nutritional importance in marine fish larvae .  Larvi’09 -Fish & Shellfish larviculture Symposium. European Aquaculture Society, Special Publication No. 38, Oostende, Belgium   465   2009.9Development of zinc and manganese enrichment methods in live food and nutritional importance in marine fish larvaeReviewed

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  • Tomonari Kotani, Teruhisa Genka, Hiroshi Fushimi, Masahiro Hayashi, Kristof Dierckens, Patrick Sorgeloos .  Effect of primary cultivation method on nutritional enrichment of euryhaline rotifer Brachionus plicatilis .  Fisheries Science75 ( 4 ) 975 - 984   2009.7Effect of primary cultivation method on nutritional enrichment of euryhaline rotifer Brachionus plicatilisReviewed

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  • Tomonari Kotani, Yoshiyuki Wakiyama, Tatsuhiro Imoto, Hisahide Suzuki, Hiroshi Fushimi .  Effect of initial stocking density on larviculture performance of the ocellate puffer Takifugu rubripes .  Journal of the World Aquaculture Society40 ( 3 ) 383 - 393   2009.6Effect of initial stocking density on larviculture performance of the ocellate puffer Takifugu rubripesReviewed

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  • Seiji Matsumoto, Shuichi Satoh, Tomonari Kotani, Hiroshi Fushimi .  Examination of practical method on zinc enrichment of euryhaline rotifer (Brachionus plicatilis) .  Aquaculture286 ( 42006 ) 113 - 120   2009.1Examination of practical method on zinc enrichment of euryhaline rotifer (Brachionus plicatilis)Reviewed

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  • Tomonari Kotani, Teruhisa Genka, Hiroshi Fushimi, Masahiro Hayashi .  Effect of nutritional enrichment methods on activity and fatty acid contents of euryhaline rotifer Brachionus plicatilis .  Proceedings of 5th World Fisheries Congress, TerraPub, Tokyo   2c_0358   2008.12Effect of nutritional enrichment methods on activity and fatty acid contents of euryhaline rotifer Brachionus plicatilis

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  • Van Tien Nguyen, Shuichi Satoh, Yutaka Haga, Hiroshi Fushimi, Tomonari Kotani .  Effect of Zn and Mn supplementation on growth and vertebral deformity in red sea bream .  Aquaculture285 ( 42008 ) 184 - 192   2008.12Effect of Zn and Mn supplementation on growth and vertebral deformity in red sea breamReviewed

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  • 小谷知也、北本恵理、倉田修、平山敬大、伏見浩、佐藤秀一、畑井喜司雄、宮嶋暁、能味堂郎、嶋田貴志 .  Enterococcus faecalis FK-23加熱製剤投与によるトラフグおよびヒラメへのワクチン接種効果の向上 .  水産増殖56 ( 3 ) 375 - 382   2008.9Enterococcus faecalis FK-23加熱製剤投与によるトラフグおよびヒラメへのワクチン接種効果の向上Reviewed

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  • Maria Vivian Camacho Grageda, Tomonari Kotani, Yoshitaka Sakakura, Atsushi Hagiwara .  Effects of feeding copepod and Artemia on early growth and behaviour of the self-fertilizing fish, Rivulus marmoratus, under laboratory conditions .  Aquaculture281 ( 42008 ) 100 - 105   2008.9Effects of feeding copepod and Artemia on early growth and behaviour of the self-fertilizing fish, Rivulus marmoratus, under laboratory conditionsReviewed

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  • 小谷知也、源河輝久、伏見浩、林雅弘 .  シオミズツボワムシの栄養強化成績に対する一次培養の方法と個体群増殖フェーズの影響 .  福山大学生命工学部年報6   35 - 49   2007.9シオミズツボワムシの栄養強化成績に対する一次培養の方法と個体群増殖フェーズの影響

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  • Atsushi Hagiwara, Koushiro Suga, Atsushi Akazawa, Tomonari Kotani, Yoshitaka Sakakura .  Development of rotifer strains with useful traits for rearing fish larvae .  Aquaculture268 ( 42008 ) 44 - 52   2007.8Development of rotifer strains with useful traits for rearing fish larvaeReviewed

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  • Tomonari Kotani, Kazuhiko Ihara, Atsushi Hagiwara .  Cross-mating of euryhaline rotifer Brachionus plicatilis strains as a means to develop useful strains for larval food .  Aquaculture261 ( 2 ) 495 - 500   2006.11Cross-mating of euryhaline rotifer Brachionus plicatilis strains as a means to develop useful strains for larval foodReviewed

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  • 小谷知也 .  海産ツボワムシ類Brachionusの分類とその手法 .  福山大学生命工学部年報5   17 - 26   2006.9海産ツボワムシ類Brachionusの分類とその手法

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  • Hiroshi Fushimi, Tomonari Kotani, Hisahide Suzuki, Masahiro Hayashi .  Developmental stage and morphogenesis of finfish larvae, with special reference to improvement of larval health .  Larvi’05 -Fish & Shellfish larviculture Symposium. European Aquaculture Society, Special Publication No. 36, Oostende, Belgium   157 - 159   2005.9Developmental stage and morphogenesis of finfish larvae, with special reference to improvement of larval healthReviewed

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  • Tomonari Kotani, Atsushi Hagiwara, Terry W. Snell, Manuel Serra .  Euryhaline Brachionus strains (Rotifera) from tropical habitats: morphology and allozyme patterns .  Hydrobiologia546 ( 1 ) 161 - 167   2005.9Euryhaline Brachionus strains (Rotifera) from tropical habitats: morphology and allozyme patternsReviewed

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  • Tomonari Kotani, Hiroshi Fushimi, Hisahide Suzuki .  Cultivation and application of copepods and cladocerans for larval rearing in Japan: past, present, and future .  Larvi’05 -Fish & Shellfish larviculture Symposium. European Aquaculture Society, Special Publication No. 36, Oostende, Belgium   256 - 257   2005.9Cultivation and application of copepods and cladocerans for larval rearing in Japan: past, present, and futureReviewed

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  • Tomonari Kotani, Atsushi Hagiwara .  Fertilization between the rotifer Brachionus plicatilis strains at different temperatures .  Fisheries Science69 ( 5 ) 1078 - 1080   2003.10Fertilization between the rotifer Brachionus plicatilis strains at different temperaturesReviewed

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  • Atsushi Hagiwara, Wenresti G. Gallardo, Mavit Assavaaree, Tomonari Kotani, Adriana B. de Araujo .  Live food production in Japan: recent progress and future aspects .  Aquaculture200 ( 42006 ) 111 - 127   2001.8Live food production in Japan: recent progress and future aspectsReviewed

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  • Tomonari Kotani, Mitsuru Ozaki, Kazumi Matsuoka, Terry W. Snell, Atsushi Hagiwara .  Reproductive isolation among geographically and temporally isolated marine Brachionus populations .  Hydrobiologia446/447 ( 1 ) 283 - 290   2001.3Reproductive isolation among geographically and temporally isolated marine Brachionus populationsReviewed

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  • 小谷知也、萩原篤志 .  海産ツボワムシ類2種の性フェロモン性状 .  長崎大学水産学部研究報告81   63 - 68   2000.3海産ツボワムシ類2種の性フェロモン性状Reviewed

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  • 小谷知也、萩原篤志 .  海産ワムシ類の分類と性フェロモンの性状 .  日本プランクトン学会報47 ( 1 ) 71 - 75   2000.2海産ワムシ類の分類と性フェロモンの性状Reviewed

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  • Tomonari Kotani, Atsushi Hagiwara .  Mate recognition of the rotifer Brachionus plicatilis Muller at different temperatures .  Bulletin of Faculty of Fisheries, Nagasaki University80   55 - 59   1999.3Mate recognition of the rotifer Brachionus plicatilis Muller at different temperaturesReviewed

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  • Tomonari Kotani, Atsushi Hagiwara, Terry W. Snell .  Genetic variation among marine Brachionus strains and function of mate recognition pheromone (MRP) .  Hydrobiologia358 ( 42007 ) 105 - 112   1997.12Genetic variation among marine Brachionus strains and function of mate recognition pheromone (MRP)Reviewed

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  • Atsushi Hagiwara, Tomonari Kotani, Terry W. Snell, Mavit Assava-Aree, Kazutsugu Hirayama .  Morphology, genetics, and mating behavior of small tropical marine Brachionus strains (Rotifera) .  Journal of Experimental Marine Biology and Ecology194 ( 1 ) 25 - 37   1995.12Morphology, genetics, and mating behavior of small tropical marine Brachionus strains (Rotifera)Reviewed

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▼display all

Books

  • Rotifers: Aquaculture, Ecology, Gerontology, and Ecotoxicology

    Tomonari Kotani（ Role： Sole author ,  The current status of the morphological classification of rotifer strains used in aquaculture）

    Springer Singapore  2017.9 

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    Total pages：180   Responsible for pages：3-13   Language：English Book type：Scholarly book

  • Rotifers: Aquaculture, Ecology, Gerontology, and Ecotoxicology

    Tomonari Kotani（ Role： Sole author ,  Enrichment of rotifers, and its effect on the growth and survival of fish larvae）

    Springer Singapore  2017.9 

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    Total pages：180   Responsible for pages：47-62   Language：English Book type：Scholarly book

  • Rotifers: Aquaculture, Ecology, Gerontology, and Ecotoxicology

    Tomonari Kotani（The current status of the morphological classification of rotifer strains used in aquaculture）

    Springer Singapore  2017.9 

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    Total pages：180   Responsible for pages：3-13  

    In order to improve the survival and growth of aquacultured finfish larvae, nutritional enrichment of rotifers is necessary. In the development of methodologies for material and process, n-3HUFAs especially EPA and DHA were the main focused nutrients for enrichment. Although the addition of those fatty acids to rotifer was conducted in vitro, the enrichment of DHA or EPA to phospholipid was suggested recently, as well as the optimum ratio among DHA, EPA and arachidonic acid. On the other hand, other nutrients, e.g., taurine, vitamin A and some minerals have also been suggested to enrich rotifers. These means that not only specific nutrients but also the balance among nutrients are important to enrich rotifers nutritionally, and improve the performance of cultured finfishes. Moreover, the influence by rotifer culture method and protocol, and the development of enrichment method should be taken into consideration for improving the efficiency of enrichment. Future studies should investigate whether rotifers can acquire all these nutrients from the balanced nutrition.

  • Early development and metabolism

    Manuel Yufera, Luis E. C. Conceicao, Stephen Battaglene, Hiroshi Fushimi, Tomonari Kotani（ Role： Joint author）

    Sparidae: Biology and Aquaculture of Gilthead Sea Bream and Other Species. Blackwell Publishing Ltd. UK.  2011.3 

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    Language：English Book type：Scholarly book

  • Intensive cultivation of a subtropical paracalanid copepod, Parvocalanus sp., as prey for small marine fish larvae

    Robin J. Shields, Tomonari Kotani, Augustin Molnar, Kimo Marion, Jon Kobashigawa, Larren Tang（ Role： Joint author）

    Copepods in Aquaculture. Blackwell Publishing. Ames, USA  2005.5 

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    Language：English Book type：Scholarly book

MISC

Presentations

  • 松井英明, 曹陽, 豊村兼伍, 垣内美由紀, 永田兼大, 柿崎智広, 築地新光子, 小谷知也   ワムシの解凍処理を駆使したウナギ類の初期餌料の開発  

    令和元年度　日本水産学会九州支部大会.  2020.12  日本水産学会九州支部

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    Event date： 2020.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島県鹿児島市   Country：Japan  

  • Oki Hayasaka, Yutaka Takeuchi, Akinobu Honda, Estefany García-Cruz, Yoji Yamamoto, Junji Kawakami, Motonobu Chikata, Kazuhiro Shiozaki, Kazuhiko Anraku, Tomonari Kotani   Irradiation using middle- to long-wavelength light induces overexpresstion of gsdf and male-specific gonadal differentiation in genetic female medaka Oryzias latipes   International conference

    Aquaculture Europe 19  2019.10  European Aquaculture Society

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    Event date： 2019.10

    Language：English   Presentation type：Poster presentation  

    Venue：Berlin, Germany   Country：Germany  

  • Hideaki Matsui, Satoshi Kono, Kazuki Okita, Tomonari Kotani   The microalga Isochrysis as an enrichment diet for rotifers: effects of harvest timing on rotifer vitality and fatty acid profiles   International conference

    Aquaculture Europe 19  2019.10  European Aquaculture Society

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    Event date： 2019.10

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Berlin, Germany   Country：Germany  

  • 早坂央希,竹内裕,本田晃伸,川上純司,塩崎一弘,安樂和彦,小谷知也   緑色光照射によりメダカの雄性化性転換が誘導される時期の推定とgsdfの発現量変化について  

    平成31年度　日本水産学会　春季大会  2019.3  日本水産学会

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    Event date： 2019.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京都港区   Country：Japan  

  • Duy Khoa Tran Nguyen, Tomonari Kotani   Effects of microdiet on growth, survival rate, gene expression and activity of digestive enzymes of Pargus marjor larvae   International coauthorship International conference

    2019.3 

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    Event date： 2019.3

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  • 神野聖士,沖田一貴,松井英明,小谷知也   Isochrysis sp. タヒチ株を給餌したワムシの生物餌料としての有用性の評価  

    平成31年度　日本水産学会　春季大会  2019.3  日本水産学会

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    Event date： 2019.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • 松井英明, 沖田一貴, 神野聖士, 小谷知也   微細藻類Isochrysis sp.タヒチ株の培養細胞を用いたワムシ栄養強化効果の改善  

    平成30年度　日本水産学会九州支部大会  2018.12  日本水産学会九州支部

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    Event date： 2018.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島県鹿児島市   Country：Japan  

  • Liu Hanlin, Tomonari Kotani   Related gene expressions as stress indicators of red sea bream larvae Pagrus major  

    2018.12 

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    Event date： 2018.12

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  • 金棒千明, 漁野葉月, 安樂和彦, 小谷知也   マダイ仔魚の各色オプシン遺伝子発現と摂餌特性との関係について  

    平成30年度　日本水産学会九州支部大会  2018.12  日本水産学会九州支部

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    Event date： 2018.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島県鹿児島市   Country：Japan  

  • 川村守生, 中島潔, 一ノ瀬武宏, 藤田知一, 小谷知也   飼育水中の酸素濃度制御によるヒラメ種苗生産飼育成績の向上について  

    平成30年度　日本水産学会九州支部大会  2018.12  日本水産学会九州支部

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    Event date： 2018.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島県鹿児島市   Country：Japan  

  • 垣内美由紀,永田兼大,築地新光子,塩崎一弘,小谷知也   微細藻類給餌ワムシ解凍処理物のウナギ類仔魚に対する餌料価値  

    平成30年度　日本水産学会秋季大会  2018.9  日本水産学会

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    Event date： 2018.9

    Language：Japanese   Presentation type：Poster presentation  

    Venue：広島県東広島市   Country：Japan  

  • 松井英明, 小谷知也   水産餌料用藻類Nannochloropsis oculataの生体膜の性状と高度不飽和脂肪酸蓄積の関係  

    平成30年度 日本水産学会 秋季大会  2018.9  日本水産学会

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    Event date： 2018.9

    Language：Japanese   Presentation type：Poster presentation  

    Venue：広島県東広島市   Country：Japan  

  • Oki Hayasaka, Yutaka Takeuchi, Taku Sasaki, Atsushi Yoshinari, Kazuhiro Shiozaki, Tomonari Kotani   Green LED light irradiation during sex differentiation induced functional sex reversal in medaka Oryzias latipes   International conference

    11th International Symposium on Reproductive Physiology of Fish  2018.6  International Symposium on Reproductive Physiology of Fish

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    Event date： 2018.6

    Language：English   Presentation type：Poster presentation  

    Venue：Manaus, Brazil,   Country：Brazil  

  • 川村守生, 片山大祐, 中島潔, 一ノ瀬武宏, 藤田知一, 小谷知也   飼育水中の酸素濃度制御によるマダイ種苗生産飼育成績の向上について  

    平成30年度 日本水産学会 春季大会  2018.3  日本水産学会

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    Event date： 2018.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • 松井英明,　小谷知也   栄養塩欠乏下で熟せされたHUFA含有微細藻類2種はワムシの栄養強化の効率を向上させる  

    平成30年度 日本水産学会 春季大会  2018.3  日本水産学会

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    Event date： 2018.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京都港区   Country：Japan  

  • 早坂央希,　竹内裕,　塩崎一弘,　小谷知也   緑色光照射による近交系メダカ（HdrR-II）の性転換誘導  

    平成30年度 日本水産学会 春季大会  2018.3  日本水産学会

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    Event date： 2018.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京都港区   Country：Japan  

  • 安樂和彦, 服部智也, 勝田海, 永田兼大, 小谷知也   ニホンウナギにおける成長と網膜分光吸収特性の変化  

    平成30年度 日本水産学会 春季大会  2018.3  日本水産学会

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    Event date： 2018.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • 金棒千明, 漁野葉月, 安樂和彦, 小谷知也   マダイ仔魚の網膜組織の発達と摂餌特性との関係について  

    平成30年度 日本水産学会 春季大会  2018.3  日本水産学会

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    Event date： 2018.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • 金棒千明,　須藤七海,　安樂和彦,　小谷知也   マダイおよびヒラメ仔魚の網膜組織の発達と摂餌特性との関係について  

    第24回魚類生理学研究会  2017.12  魚類生理学研究会

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    Event date： 2017.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：山口県下関市   Country：Japan  

  • 早坂央希,　竹内裕,　小谷知也   緑色光照射によって作出した性転換メダカOryzias latipesを用いた交配試験  

    第24回魚類生理学研究会  2017.12  魚類生理学研究会

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    Event date： 2017.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：山口県下関市   Country：Japan  

  • 早坂央希, 竹内裕, 小谷知也   緑色光照射による性転換メダカ Oryzias latipesの作出  

    平成29年度日本水産学会九州支部大会  2017.12  日本水産学会九州支部

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    Event date： 2017.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：長崎県長崎市   Country：Japan  

  • Viliame Waqalevu, Shojiro Miyauchi, Shuo Zhang, Tomonari Kotani   Nutritional evaluation of two types of euryhaline rotifers Brachionus plicatilis sp. complex and digestive enzyme response at first feeding in Japanese flounder, Paralichthys olivaceus   International coauthorship International conference

    10th Indo-Pacific Fish Conference  2017.10  Indo-Pacifique Fish Conference

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    Event date： 2017.10

    Language：English   Presentation type：Poster presentation  

    Venue：Tahiti, French Polynesia   Country：French Polynesia  

  • Daisuke Katayama, Kiyoshi Nakajima, Takehiro Ichinose, Tomokazu Fujita, Tomonari Kotani   Effect of high concentration of dissolved oxygen in the rearing water on the rearing performance and stress response in red sea bream and Japanese eel   International conference

    The JSFS 85th Anniversary-Commemorative International Symposium  2019.9 

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    Event date： 2017.9 - 2019.9

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  • Hideaki Matsui, Mitsuharu Matsumoto, Tomonari Kotani   The comparison of intracellular structure and eicosapentaenoic acid accumulation of Nannochloropsis oculata cells between nutrient-repleted and -depleted phases   International conference

    The JSFS 85th Anniversary-Commemorative International Symposium  2019.9 

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    Event date： 2017.9 - 2019.9

    Language：English   Presentation type：Oral presentation (general)  

  • Tomonari Kotani, Kazuma Kikuchi, Taku Sasaki, Hideaki Matsui   How finfish larvae prefer copepods?   International conference

    7th Fish & Shellfish Larviculture Symposium  2017.9 

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    Event date： 2017.9 - 2019.9

    Language：English   Presentation type：Poster presentation  

    Venue：Ghent, Belgium   Country：Belgium  

  • Hideaki Matsui, Kazuhiko Anraku, Tomonari Kotani   Using spectrophotometry can determine the optimal harvest timing of microalgae for efficient enrichment of rotifer   International conference

    7th Fish & Shellfish Larviculture Symposium  2017.9  Ghent University

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    Event date： 2017.9 - 2019.9

    Language：English   Presentation type：Poster presentation  

    Venue：Ghent, Belgium   Country：Belgium  

  • 松井英明,　安樂和彦,　小谷知也   微細藻類Nannochloropsis oculataの吸光特性を活かした細胞内の形態変化の推定および海産ツボワムシ類Brachionus plicatilisのEPA強化効率の向上  

    平成29年度 日本水産学会 春季大会  2017.3  日本水産学会

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    Event date： 2017.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京都港区   Country：Japan  

  • 早坂央希,　小谷知也   LEDライトを用いた特定の光波長によるメダカの肝臓への影響  

    平成29年度 日本水産学会 春季大会  2017.3  日本水産学会

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    Event date： 2017.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • 永田兼大,　竹内裕,　小谷知也   収容尾数とハウスの有無が性分化期のニホンウナギに与える影響について  

    平成29年度 日本水産学会 春季大会  2017.3  日本水産学会

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    Event date： 2017.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • 片山大祐,　宮内翔二郎,　川村守生,　中島潔,　一之瀬武宏,　藤田知一,　小谷知也   高濃度溶存酸素がマダイ仔稚魚の飼育成績に与える影響について  

    平成29年度 日本水産学会 春季大会  2017.3  日本水産学会

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    Event date： 2017.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • 宮内翔二郎,　江幡恵吾,　小谷知也   魚類仔魚の飼育成績に対する水槽形状およびフローパターンの効果  

    平成29年度 日本水産学会 春季大会  2017.3 

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    Event date： 2017.3

    Language：Japanese   Presentation type：Poster presentation  

  • 中村隆太郎,　小谷知也   マグロ類仔魚の餌料種による摂餌選択性の違いについて  

    平成29年度 日本水産学会 春季大会  2017.3  日本水産学会

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    Event date： 2017.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京都港区   Country：Japan  

  • Viliame Waqalevu, Shojiro Miyauchi, Zhang Shuo, Tomonari Kotani   Comparison of growth ratio and fatty acid content in Brachionus rotundiformis and B. plicatilis fed three common Japanese nutritional enrichment diets   International coauthorship

    2017.3 

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    Event date： 2017.3

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  • 菊地一真,　佐々木拓,　桑原侑佑,　小谷知也   培養した汽水産カイアシ類Pseudodiaptomus inopinusをマダイ仔魚は好んで摂餌するか？  

    平成29年度 日本水産学会 春季大会  2017.3  日本水産学会

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    Event date： 2017.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京都港区   Country：Japan  

  • 菊地一真,　高木翔太,　佐々木拓,　小谷知也   汽水産カイアシ類Pseudodiaptomus inopinusの培養方法の検討と培養個体群の化学組成分析  

    平成29年度 日本水産学会 春季大会  2017.3  日本水産学会

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    Event date： 2017.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京都港区   Country：Japan  

  • 早坂央希,　小谷知也   耳石を用いたアカオビハナダイの性転換年齢の推定  

    第28回 魚類生態研究会  2017.2  魚類生態研究会

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    Event date： 2017.2

    Language：Japanese   Presentation type：Poster presentation  

    Venue：長崎市   Country：Japan  

  • 佐々木拓, 桑原侑佑, 小谷知也   海産ツボワムシ類と培養したカイアシ類を混合給餌した時のマダイ仔魚の飼育成績について  

    平成28年度 日本水産学会九州支部大会  2016.12  日本水産学会九州支部

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    Event date： 2016.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：長崎市   Country：Japan  

  • 松井英明,　安樂和彦,　小谷知也   微細藻類 Nannochloropsis oculata の吸光特性を活かした海産ツボワムシ類Brachionus plicatilis の栄養強化効率の向上  

    平成28年度 日本水産学会九州支部大会  2016.12  日本水産学会九州支部

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    Event date： 2016.12

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：長崎市   Country：Japan  

  • 松井英明,尾方美月,安樂和彦,小谷知也   有用微細藻類Nannochloropsis oculataとIsochrysis sp.タヒチ産株の吸光特性を用いた栄養塩利用形態の変化時期の推定  

    平成28年度 日本水産学会秋期大会  日本水産学会

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    Event date： 2016.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  • 工永泰裕,小谷知也,赤松佑哉,大川　諒,安樂和彦   フィリピン産ウナギAnguilla bicolor bicolor飼育時に用いる照明光波長の違いによる成長への影響  

    平成28年度日本水産学会春季大会  日本水産学会

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    Event date： 2016.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京海洋大学  

  • 松井英明,小谷知也,安樂和彦   微細藻類Nannochloropsis oculataの増殖および生化学組成に対する光波長の影響  

    平成28年度日本水産学会春季大会  日本水産学会

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    Event date： 2016.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京海洋大学  

  • 佐々木　拓,小谷知也   培養した海産カイアシ類Pseudodiaptomus inopinusのみの給餌がマダイ仔魚に与える効果  

    平成28年度日本水産学会春季大会 

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    Event date： 2016.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：東京海洋大学  

  • 菊地一真、舩越亮平、小谷知也   微細藻類種および細胞密度が浮遊性カイアシ類の産卵数に与える効果  

    平成25年度日本水産学会春季大会  平成25年度日本水産学会春季大会

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    Event date： 2013.3

    Language：Japanese  

    Venue：東京  

    国内学会

  • 原口拓己、小谷知也   海産ツボワムシ類極性脂質中n-3HUFAの強化方法の検討  

    平成25年度日本水産学会春季大会  平成25年度日本水産学会春季大会

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    Event date： 2013.3

    Language：Japanese  

    Venue：東京   Country：Japan  

    国内学会

  • 宮嶋暁、伏見浩、川谷司、古川隆一、矢田滋久、小谷知也、佐藤信光、伊藤暁、草野孝   クロマグロの健苗育成技術開発研究II-18 試作栄養強化剤を用いたマダイ仔魚のワムシ中のEPA要求量の検討  

    平成25年度日本水産学会春季大会  平成25年度日本水産学会春季大会

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    Event date： 2013.3

    Language：Japanese  

    Venue：東京  

    国内学会

  • 宮嶋暁、神谷高広、伏見浩、小谷知也、佐藤信光、伊藤暁、草野孝   クロマグロの健苗育成技術開発研究II-19 ワムシ中のEPA含量はヒラメ稚魚の干出耐性に影響するか？  

    平成25年度日本水産学会春季大会  平成25年度日本水産学会春季大会

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    Event date： 2013.3

    Language：Japanese  

    Venue：東京  

    国内学会

  • 菊地一真,舩越亮平,小谷知也   微細藻類種および細胞密度が浮遊性カイアシ類の産卵数に与える効果  

    平成25年度 日本水産学会 春季大会  日本水産学会

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    Event date： 2013.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京  

  • 原口拓己、小谷知也   海産ツボワムシ類S型の培養経過に伴うサイズ分布と栄養強化成績との関係  

    平成24年度日本水産学会秋季大会  平成24年度日本水産学会秋季大会

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    Event date： 2012.9

    Language：Japanese  

    Venue：山口  

    国内学会

  • 伏見浩、小谷知也、宮嶋暁、秋山偉作、豊田健一、佐藤信光、草野孝   ワムシ摂餌期におけるマダイ仔稚魚のワムシ中のDHA要求量の検討（クロマグロ健病育成技術開発研究II-16）  

    平成24年度日本水産学会秋季大会  平成24年度日本水産学会秋季大会

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    Event date： 2012.9

    Language：Japanese  

    Venue：山口  

    国内学会

  • 宮嶋暁、伏見浩、神谷高広、小谷知也、佐藤信光、佐藤秀一、芳賀穣、神村祐司、斎藤誠、赤澤敦司   クロマグロの健苗育成技術開発研究 II-11 試作栄養強化剤を用いたヒラメ仔魚のワムシ中のDHA要求量の検討  

    平成24年度日本水産学会春季大会  平成24年度日本水産学会春季大会

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    Event date： 2012.3

    Language：Japanese  

    Venue：東京  

    国内学会

  • 宮嶋暁、福田靖子、伏見浩、小谷知也、Nguyen Van Tien、芳賀穣、佐藤秀一   ワムシの栄養価の違いがヒラメ仔稚魚の発育に伴う体組成におよぼす影響  

    平成23年度日本水産学会秋季大会  平成23年度日本水産学会秋季大会

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    Event date： 2011.9

    Language：Japanese  

    Venue：長崎  

    国内学会

  • 福島英司、宮嶋暁、伏見浩、小谷知也、芳賀穣、佐藤秀一、佐藤信光、伊藤暁、草野孝   試作栄養強化剤を用いたシオミズツボワムシの栄養強化成績と持続性  

    平成23年度日本水産学会秋季大会  平成23年度日本水産学会秋季大会

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    Event date： 2011.9

    Language：Japanese  

    Venue：長崎  

    国内学会

  • 小谷知也、今利浩之、伏見浩   冷凍淡水産ミジンコ給餌がトラフグ仔稚魚飼育に与える効果について  

    平成22年度日本水産学会秋季大会  平成22年度日本水産学会秋季大会

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    Event date： 2010.9

    Language：Japanese  

    Venue：京都  

    国内学会

  • 小谷知也、中谷真子、宮嶋暁、伏見浩   クロマグロ健苗育成技術開発研究－19. クロマグロ種苗量産技術開発のためのワムシの栄養強化法の検討－1 栄養強化成績に及ぼす水温と強化時間の影響  

    平成22年度日本水産学会春季大会  平成22年度日本水産学会春季大会

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    Event date： 2010.3

    Language：Japanese  

    Venue：神奈川  

    国内学会

  • 小谷知也、太田有香、須藤健介、宮嶋暁、伏見浩、佐藤秀一   クロマグロ健苗育成技術開発研究－20. クロマグロ健苗育成技術開発のためのワムシ栄養強化剤の開発－1 強化剤の試作とマダイヘの適用  

    平成22年度日本水産学会春季大会  平成22年度日本水産学会春季大会

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    Event date： 2010.3

    Language：Japanese  

    Venue：神奈川  

    国内学会

  • 小谷知也、上林久記、須藤健介、榎本翔太、井本達弘、伏見浩   マダイ仔稚魚の成長に伴う日周摂餌リズムの変化  

    平成21年度日本水産学会秋季大会  平成21年度日本水産学会秋季大会

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    Event date： 2009.10

    Language：Japanese  

    Venue：岩手県  

    国内学会

  • Tomonari Kotani, Hiroshi Fushimi   Diel Feeding rhythm of finfish larvae and establishment of appropriate feeding schedule   International conference

    5th Fish & Shellfish Larviculture Symposium  5th Fish & Shellfish Larviculture Symposium

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    Event date： 2009.9

    Language：English  

    Venue：ベルギー  

    国際学会

  • 小谷知也、田邊茉莉、板倉大樹、伏見浩   クロマグロの健苗育成技術開発研究－15．栄養強化方法を変えればワムシ脂肪酸組成は変化するか？  

    平成21年度日本水産学会春季大会  平成21年度日本水産学会春季大会

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    Event date： 2009.3

    Language：Japanese  

    Venue：東京都  

    国内学会

  • 小谷知也、今利浩之、伏見浩、林雅弘   冷凍淡水産ミジンコのトラフグ仔稚魚に対する餌料価値  

    平成21年度日本水産学会春季大会  平成21年度日本水産学会春季大会

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    Event date： 2009.3

    Language：Japanese  

    Venue：東京都  

    国内学会

  • Tomonari Kotani, Hiroyuki Imari, Hiroshi Fushimi   Effect of feeding of frozen freshwater cladoceran Moina macrocopa on red sea bream larvae   International conference

    8th Japan-Korea, Korea-Japan Joint Symposium on Aquaculture  8th Japan-Korea, Korea-Japan Joint Symposium on Aquaculture

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    Event date： 2008.10

    Language：English  

    Venue：和歌山  

    国際学会

  • Tomonari Kotani, Teruhisa Genka, Hiroshi Fushimi, Masahiro Hayashi   Effect of nutritional enrichment method on activities and fatty acid contents of euryhaline rotifer Brachionus plicatilis   International conference

    5th World Fisheries Congress  5th World Fisheries Congress

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    Event date： 2008.10

    Language：English  

    Venue：神奈川  

    国際学会

  • Tomonari Kotani, Teruhisa Genka, Hiroshi Fushimi, Masahiro Hayashi, Kristof Dierckens, Patrick Sorgeloos   Effect of primary cultivation method and population growth phase on nutritional enrichment of euryhaline rotifer Brachionus plicatilis   International conference

    Asian-Pacific Aquaculture 2007  Asian-Pacific Aquaculture 2007

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    Event date： 2007.8

    Language：English  

    Venue：ベトナム  

    国際学会

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Intellectual Property

  • 水棲動物用餌料の製造方法

    小谷知也,永田兼大,垣内美由紀,松井英明,石堂博司

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    Application no：2018-079526  Date applied：2018.4

    Country of applicant：Domestic  

  • 魚類の性転換誘導方法、魚類の性転換誘導装置及び魚類の性統御方法

    小谷知也,早坂央希,竹内裕

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    Application no：2018-048113  Date applied：2018.3

    Country of applicant：Domestic  

  • 水生生物の飼育システム及び水生生物の飼育方法

    小谷知也,片山大祐,宮内翔二郎,中島潔,一ノ瀬武宏,藤田知一,深川光介

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    Application no：2017-043542  Date applied：2017.3

    Country of applicant：Domestic  

  • ウナギ飼育方法

    小谷知也,永田兼大

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    Application no：2017-042392  Date applied：2017.3

    Country of applicant：Domestic  

  • 微細藻類の培養方法及びデータ解析装置

    小谷知也,松井英明

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    Application no：2017-038263  Date applied：2017.3

    Country of applicant：Domestic  

  • 微細藻類の培養方法及びデータ解析装置

    小谷知也,松井英明,安樂和彦,下野正美

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    Application no：2016-060575  Date applied：2016.3

    Country of applicant：Domestic  

  • 真正眼点藻類の培養装置および真正眼点藻類の培養方法

    小谷知也,松井英明,安樂和彦,中池里樹

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    Application no：2016-050897  Date applied：2016.3

    Country of applicant：Domestic  

  • ウナギ飼育装置、ウナギ飼育方法および該飼育方法で飼育されたウナギ

    小谷知也,工永泰裕,安樂和彦,今利浩之,田代恭一,江川公浩,新村久男

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    Application no：2015-065332  Date applied：2015.3

    Country of applicant：Domestic  

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Research Projects

  • 高効果・低リスクかつ現在の国内制度で実現可能なウナギ放流手法の開発

    Grant number：22H00371  2022.4 - 2027.3

    日本学術振興会  科学研究費助成事業  基盤研究(A)

    海部 健三, 脇谷 量子郎, 小川 健, 小谷 知也, 安樂 和彦, 秋吉 貴雄

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    Grant amount：\41730000 （ Direct Cost: \32100000 、 Indirect Cost：\9630000 ）

  • Development of artificial detritus for feeding eel larvae and finfish larvae with quite small mouth

    Grant number：22H02424  2022.4 - 2025.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Grant amount：\17680000 （ Direct Cost: \13600000 、 Indirect Cost：\4080000 ）

 

Teaching Experience

  • Larval rearing management

    2011.4
    Institution：Kagoshima University

  • 種苗生産学

  • 生物海洋学

  • 水産学概論