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外観と骨格標本によるヒラメ稚魚の形態異常判別


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タイトル: 外観と骨格標本によるヒラメ稚魚の形態異常判別
その他のタイトル: Identification of Malformation in Juvenile Japanese Flounder (Paralichthys olivaceus) Using External Morphology and Osteological Observation
著者: 菅, 向志郎 / 中川, 敏寛 / 中川, 英敏 / 阪倉, 良孝 / 萩原, 篤志
著者(別表記) : Suga, Koushirou / Nakagawa, Toshihiro / Nakagawa, Hidetoshi / Sakakura, Yoshitaka / Hagiwara, Atsushi
発行日: 2010年 3月
出版者: 長崎大学水産学部 / The Faculty of Fisheries, Nagasaki University
引用: 長崎大学水産学部研究報告, 91, pp.13-16; 2010
抄録: To construct basis for malformation fish database, hatchery-reared Japanese flounder Paralichthys olivaceus juveniles were sorted out into morphologically normal and abnormal fish using their external morphology and osteological observation. The malformed juveniles were classified into 8 types by their external morphologies, and the skeletal malformed sites were specified 6 out of 8 abnormal types. Total lengths of normal fish, which were judged by their external morphologies, tended to be larger than abnormal fishes. About 90% of normal fish, which were judged by their external morphology, had no skeletal malformed sites from their skeletal preparations. In contrast, the concordance rate of abnormal fishes between external morphology and skeletal observation was about 55%, and about 45% of abnormal fish, which were judged by their external morphology, had no skeletal malformed sites from their skeletal preparations. It is important to construct basis for morphologically abnormal fish database that skeletal normal fish could be accurately sorted into normal fish by external morphology.
キーワード: 外部形態 / external morphology / 骨格標本 / osteology / 形態異常 / malformation / ヒラメ稚魚 / juvenile Japanese flounder
URI: http://hdl.handle.net/10069/23782
ISSN: 05471427
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第91号

引用URI : http://hdl.handle.net/10069/23782

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