首页> 外文期刊>Bulletin of the National Museum of Nature and Science >Hetereleotris exilis, a New Goby (Teleostei, Perciformes, Gobiidae) from the Ryukyu Islands, Japan
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Hetereleotris exilis, a New Goby (Teleostei, Perciformes, Gobiidae) from the Ryukyu Islands, Japan

机译:Hetereleotris exilis,一种来自日本琉球群岛的新虾虎鱼(Teleostei,Perciformes,Gobiidae)

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摘要

A new species of the gobiid fish, Hetereleotris exilis, is described based on a single female specimen (22.1 mm SL) collected at the depth of 53 m of off Nagan'nu Island, Okinawa Group of the Ryukyu Islands, Japan. It is unique within the genus in having very slender body (depth at anal-fin origin 11.9% of standard length), and characterized by the following: VI-I, 12 dorsal-fin rays; I, 11 anal-fin rays; 16 pectoral-fin rays; I, 5 pelvic-fin rays; innermost (=fifth) segmented pelvic-fin ray unbranched, long, subequal to preceding ray in length; scales cycloid, restricted on posterior part of body (ca. 14-15 longitudinal scales); no head sensory-canal pores.
机译:基于在日本琉球群岛冲绳岛长安努岛附近53 m深度采集的单个雌性标本(22.1 mm SL),描述了一种新的戈壁鱼鱼类Hetereleotris exilis。它在身体中是非常独特的,具有非常纤细的身材(肛门鳍起源处的深度为标准长度的11.9%),并具有以下特征:VI-1,12条背鳍射线;我,11条肛鳍射线16条胸鳍射线; I,5条骨盆鳍射线;最里面的(=第五个)分段的骨盆鳍射线,无分支,长,等于前一射线的长度;摆线鳞片,限制在身体的后部(约14-15纵向鳞片);无头部感觉管孔。

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