Kagoshima University · Division of Fisheries Sciences, School of Agriculture, Fisheries and Veterinary Medicine · 教授

Research keywords養殖・生物餌料・larval rearing・カイアシ類・餌料生物・種苗生産・シオミズツボワムシ・ワムシ・両性生殖・品種改良

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• Matsui H., Nagao Y., Sasaki T., Ishikawa M., Kotani T., Sugihara S. . A mutant microalga Nannochloropsis oceanica with deteriorated cell-wall structure: Growth-promoting effects and enzymatic2026 · 記述言語： 英語 掲載種別： 研究論文（学術雑誌） DOI： 10.1016/j.aquaculture.2026.744125 Scopus
• Rana KMS, Junji Z, Kotani T, Tasumi S . Molecular characterization of ionotropic receptors of a parasitic copepod Caligus fugu (Crustacea: Copepoda). . Comparative bioche2026 · 記述言語： 英語 DOI： 10.1016/j.cbd.2026.101783 PubMed
• Takeuchi K., Itakura H., Maeda T., Hagihara S., Kimura S., Anraku K., Kotani T., Wakiya R. . Rapid loss rates of farmed Japanese eels stocked into two different rivers . Fisheries Rese2025 · 記述言語： 日本語 掲載種別： 研究論文（学術雑誌） 出版者・発行元： Fisheries Research Monitoring the survival rates of stocked fish is important for the success of stocking programs. Stocked fish reared in artificial environments may exhibit reduced performance until they adapt to the natural environment, potentially leading to a high loss rate immediately after stocking. In this study, we conducted high-frequency tracking of farmed Japanese eels Anguilla japonica stocked into the Fukada River (small size, no previous stocking) and the Amikake River (larger size, previous stocking) in Japan, starting from the first day after stocking using a mobile Radio Frequency Identification system. Apparent survival rates of stocked eels including mortality and emigration was estimated using the Cormack–Jolly–Seber (CJS) model with state-space formulations. The CJS model showed that apparent survival rates of stocked eels were lowest during the initial detection survey after stocking (i.e., on the first day in the Fukada River and during the first four days in the Amikake River), and then the rates gradually increased over time. These results suggest that stocked eels experience significant depletion within the initial days following stocking. Emigration and predation were inferred as potential causes of the high loss rate in the initial phase following stocking. Furthermore, the CJS model also showed that smaller stocked eels with high condition factors exhibited higher apparent survival rates. This study highlighted that identifying effective stocking methods to improve post-release survival is essential for enhancing the local catch and population of Japanese eels. DOI： 10.1016/j.fishres.2025.107647 Scopus
• Rana KMS, Sonoda T, Sato Y, Kondo Y, Ohtsuka S, Kotani T, Ueno D, Tasumi S . De novo transcriptomic analysis to identify candidate genes potentially related to host recognition during i2025 · 記述言語： 英語 DOI： 10.1016/j.cbd.2025.101433 PubMed

• ウナギ類仔魚および微小口径仔魚用餌料のための人工デトリタスの作成2024 · 配分額： 3510000円 （ 直接経費： 2700000円 、 間接経費： 810000円 ）
• 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2022 · 配分額： 41730000円 （ 直接経費： 32100000円 、 間接経費： 9630000円 ）
• 種苗生産学2011 · 2011年4月 - 現在 機関名： 鹿児島大学
• 海産ワムシ類の生物機能制御と優良品種育成への展開

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