上海海洋大学学报2011,Vol.20Issue(1):85-88,4.
浙江缨口鳅属鱼类一新种(鲤形目:平鳍鳅科)
A new species of the genus Crossostoma from Zhejiang Province, China ( Cypriniformes: Homalopteridae)
摘要
Abstract
The present paper reports a new species of Crossostoma collected from Zhejiang Province, China.Crossostoma galericula Zhang sp.nov.(Fig.1 ).Holotype: ZH070616, total length 54.1 mm, standard length 43.0 mm, collected in June, 2007 from a rivulet in Hehu Town, Qingyuan County, Zhejiang Province, China.Paratypes: 3 specimens, ZH070618(57.5 mm TL, 46.5 mm SL), ZH070621 (50.5 mm TL, 41.0 mm SL)and ZH070622(43.4 mm SL, 35.0 mm SL).All paratypes have the same locality and same time as the holotype.D.Ⅲ - 8; A.Ⅱ - 5; P.Ⅰ - 13; Ⅴ.Ii - 8.Scales in L.1.91 - 97.Depth of body in standard length 5.1 - 5.4, width of body 5.4 - 7.0, length of head 3.7 - 3.9, length of caudal peduncle 5.9 - 6.6, depth of caudal peduncle 7.2 - 8.8.Depth of head in head length 1.5 - 1.6, width of head 1.1 - 1.3, length of snout 1.8 - 2.1, diameter of eye 5.5 - 6.4, width of interorbital space 2.8 - 3.1.Depth of caudal peduncle in length of caudal peduncle 1.1 - 1.3.Width of mouth in width of head 2.2 - 2.5.Diagnosis: the new species has 13 sub-rostral barbells on the rostral fold.Bases of the rostral barbells are always connected to the rostral fold, and arranged in 1 row.This new species is similar to C.fasciolatus.But it can be distinguished from C.fasciolatus by the following comparisons: ( 1 ) the length of the longest rostral barbell is equal to the diameter of eye; (2) with 2 bright spots behind the sides of the dorsal fin; ( 3 ) all fins have no obvious spot; (4) naked area in abdomen extends to the base of the ventral fin.关键词
鲤形目/平鳍鳅科/缨口鳅属/新种分类
生物科学引用本文复制引用
张晓锋,王火根..浙江缨口鳅属鱼类一新种(鲤形目:平鳍鳅科)[J].上海海洋大学学报,2011,20(1):85-88,4.基金项目
浙江海洋学院青年基金项目(X06LQ14) (X06LQ14)