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A new cottid species, Icelus sekii (Perciformes: Cottoidei) from Hokkaido, Japan

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タイトル: A new cottid species, Icelus sekii (Perciformes: Cottoidei) from Hokkaido, Japan
著者: Tsuruoka, Osamu 著作を一覧する
Munehara, Hiroyuki 著作を一覧する
Yabe, Mamoru 著作を一覧する
キーワード: Perciformes
New species
Icelus sekii
発行日: 2006年 2月
出版者: Springer Tokyo
誌名: Ichthyological Research
巻: 53
号: 1
開始ページ: 47
終了ページ: 51
出版社 DOI: 10.1007/s10228-005-0314-2
抄録: A new cottid species, Icelus sekii, is described on the basis of six specimens collected from off Rausu and Urakawa, Hokkaido Island, Japan. This species is distinguished from its congeners by the following combination of characters: supraocular and parietal spines absent; nuchal spine obscure; uppermost preopercular spine unbranched; no scales between dorsal scale row and lateral-line scale row, and no scales below lateral-line scale row; supraocular, parietal, and nuchal cirri present; five dark brown saddles dorsolaterally; anal-fin rays 13; pectoral-fin rays 15; vertebrae 12 + 24~5 = 36~7. Icelus sekii can be mature at the smallest size among the species of Icelus. As a secondary sexual character, the male holotype has unique ensiform flaps on the distal tips of the first dorsal fin.
Rights: The original publication is available at
資料タイプ: article (author version)
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 鶴岡 理


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