珠江水系鲿科(Bagridae)鱼类一新记录

A new record of bagridae fishes in Pearl River water system

鲇形目,鲿科的长须黄颡鱼Pelteobagrus eupogon在广西桂林漓江首次发现,为珠江水系新记录。采集标本1尾,全长254.78mm,标准体长207.70mm,背鳍II-6,胸鳍II-6,腹鳍i-5,臀鳍19,外部第一鳃弓鳃耙数16;标准体长为体高的9.32倍,为头长的6.46倍,头长为吻长的3.96倍,为眼径的4.21倍,眼间距的2.25倍,尾柄长为尾柄高的3.09倍。

Pelteobagrus eupogon （Siluriformesi Bagridae ） was founded in Lijiang River at Guilin City. P. eupogon located in the Changjiang River water system according to recordation. It was first recorded in Pearl River water system. Total body length was 254. 78 mm, and standard body length was 207.70 mm with D. Ⅱ-6, P. Ⅱ-6, V. i-5, and A. 19. The number of external gill takers on the fist gill arch was 16. Body length was 9.32 times of body depth and 6. 46 times of head length. Head length was 3.96 times of snout length, 4. 21 times of eye diameter and 2. 25 times of interorbital width, caudal peduncle length was 3.09 times of its depth.