中国裸身虾虎鱼属(Gymnogobius)一新种(鲈形目：虾虎鱼科)
A new species of the genus Gymnogobius Gill from China
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摘要: 以头部感觉管孔及颊部感觉乳突的排列规律为主要分类依据，综合形态特征，研究了采自浙江省舟山岛河溪的裸身虾虎鱼属(Gymnogobius)的一新种：舟山裸身虾虎鱼Gymnogobius zhoushanensis sp. nov. 。新种的形态特征及性状与产于浙江省苍南县的横带裸身虾虎鱼 Gymnogobius transversefasciatus (Wu & Zhou, 1990)十分相似，头部均具4个感觉管孔 (C，D，F，G)，颊部具1条眼下感觉乳突线(L2)，3条水平状的纵行感觉乳突线(L3, L4, L5)。但该新种具有口小，上颌骨后端仅伸达眼前缘的下方；纵列鳞、横列鳞和背鳍前鳞较少；头部密具许多小黑点的特征。 关键词： 虾虎鱼科；裸身虾虎鱼属；新种；舟山
Abstract: A new goby, Gymnogobius zhoushanensis, is described from four specimens that collected from a stream of Zhoushan Island (30°02’N, 122°03’E) of Zhejiang Province in China. This new species is similar to the species Gymnogobius transversefasciatus (Wu & Zhou, 1990) in having four sensory canal pores (C，D，F，G) on head and four longitudinal sensory papilla lines on cheek, but defers in many characters. The former maxillary only reach to beneath the anterior edge of eye (vs. maxillary reach to beneath the posterior edge of eye): eye 4.3 to 5.5 in head (vs. 5.8 to 7.2)；the second dorsal fin with 11 to 12 rays (vs. 9 to 10)；longitudinal scales 54 to 56 (vs. 79 to 81)；transverse scales 11 to 12 (vs. 20 to 22)；predorsal scales 12 to 15 (vs. 17 to 21)；head with a lot of small black spots (vs. without black spots). Key words: Gobiidae；Gymnogobius；new species；Zhoushan
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赵盛龙.中国裸身虾虎鱼属(Gymnogobius)一新种(鲈形目：虾虎鱼科)[J].水产学报,2007,31(4):452~455
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收稿日期:2007-07-16
最后修改日期:2007-07-16
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在线发布日期: 2007-07-17
出版日期: 2007-07-17
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