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首页> 外文期刊>Zootaxa >Rhinogobius maculagenys, A new species of freshwater goby (Teleostei: Gobiidae) from Hunan, China
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Rhinogobius maculagenys, A new species of freshwater goby (Teleostei: Gobiidae) from Hunan, China

机译:Rhinogobius Maculagenys,来自湖南省湖南的新种淡水虾(Textostei:Gobiidae)

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摘要

A new freshwater goby, Rhinogobius maculagenys sp. nov., was collected from Hunan Province in Southern China. This species can be distinguished from all congeners by a combination of the following features: first dorsal fin with 6 spines; second dorsal fin with a single spine and 7-9 segmented rays; anal fin with a single spine and 6-8 segmented rays; pectoral fin with 16 segmented rays; 32-34 longitudinal scales; 9-13 transverse scales; 11+16=27 vertebrae; pore omega 1 missing; head and body yellowish brown; cheek and opercle yellowish brown with over 30 small orange spots, branchiostegal membrane yellow with over 10 small orange spots in males and white and spotless in females; first dorsal fin trapezoidal in males and nearly semicircular in females, with large bright blue blotch in front of second spine; spines 4 and 5 longest, rear tip extending to base of second branched ray of second dorsal fin in males when adpressed, but just reaching or not reaching anterior margin of second dorsal fin in females; caudal fin with 5-6 vertical rows of brown spots; flank with several longitudinal rows of blackish-brown spots; and belly pale white.
机译:一个新的淡水虾,Rhinogobius maculagenys sp。 11月。,从南方湖南收集。该物种可以通过以下特征的组合与所有同一种子区分开:具有6个刺的第一背鳍;具有单个脊柱和7-9个分段光线的第二个背鳍;肛门鳍,单个脊柱和6-8分段射线;具有16个分段光线的胸鳍; 32-34纵向鳞片; 9-13横向尺度; 11 + 16 = 27个椎骨;孔欧米茄1失踪;头部和身体黄褐色;脸颊和运行黄褐色,有30多个小橙色斑点,Branchiostegal膜黄色与10多个小橙色斑点在男性和白色,在女性的一尘不染;第一个背鳍梯形梯形在雄性和近半圆形的女性中,在第二个脊柱前面具有大明亮的蓝色斑点;脊柱4和5最长,后尖端延伸到第二个背鳍的第二分支射线的底座,当压缩时,但刚刚到达或未达到女性第二背鳍的前缘;尾鳍用5-6垂直行的棕色斑点;侧翼有几排黑褐色斑点;和肚皮白色。

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