首页> 外文期刊>Bulletin of the National Museum of Nature and Science >Glossanodon kotakamaru, a New Argentine Fish from Southern Japan(Protacanthopterygii: Argentinidae)
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Glossanodon kotakamaru, a New Argentine Fish from Southern Japan(Protacanthopterygii: Argentinidae)

机译:日本南部的新阿根廷鱼类Glossanodon kotakamaru(Protacanthopterygii:Argentinidae)

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摘要

A new species of argentinid, Glossanodon kotakamaru, is described on the basis of 11 specimens (57-125 mm SL) from Tosa Bay and off Amami Oshima Island, southern Japan. The new species differs from its congeners in having the following combination of characters: dorsal-fin rays 12-13; anal-fin rays 11-13; pectoral-fin rays 21-23; pelvic-fin rays 13-14; branchiostegal rays 5; gill-rakers on first arch 37-40; vertebrae 49-50; 2-4 small conical teeth on middle of lower jaws and 1-3 on tongue; predorsal length 48-49% SL, prepectoral length 29-30% SL, prepelvic length 55-56% SL; caudal peduncle depth 5.5-5.9% SL; head length 29-30% SL; eye diameter 32-33% HL; snout length 33% HL; maxillary depth 12% HL (in 3 larger specimens); anus immediately anterior to anal-fin origin; a longitudinal black stripe dorsal to lateral line; isthmus to thorax pigmented. The new species is a benthopelagic dweller on muddy and sandy bottoms in depths of about 150-300 m.
机译:根据来自土佐湾和日本南部Am美大岛岛附近的11个标本(57-125 mm SL),描述了一种阿根廷新种Glossanodon kotakamaru。新物种与同类动物的不同之处在于具有以下特征的组合:背鳍射线12-13;背鳍射线12-13。肛门鳍射线11-13;胸鳍射线21-23;骨盆鳍射线13-14;分支骨膜射线5;第一拱37-40上的耙椎骨49-50;下颚中央有2-4个小锥形牙齿,舌头有1-3个;前胸长48-49%SL,胸前长29-30%SL,骨盆前长55-56%SL;尾柄深度5.5-5.9%SL;头长29-30%SL;眼睛直径32-33%HL;鼻子长33%HL;上颌深度12%HL(在3个较大的样本中);肛门鳍起源之前的肛门;背侧线的纵向黑色条纹;地峡至胸部色素沉着。该新物种是在约150-300 m深度的泥泞和沙质底部的底栖鱼类。

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