2009年11月10日 星期二

中國雲南省薩爾溫江(怒江)流域紋胸鮡屬一新種 - Glyptothorax obliquimaculatus

文獻來源: Jiang WS, Chen XY, Yang JX. 2009. A new species of sisorid catfish genus Glyptothorax (Teleostei: Sisoridae) from Salween drainage of Yunnan, China. Environmental Biology of Fishes DOI: 10.1007/s10641-009-9572-6

Abstract
A new species of the genus Glyptothorax, Glyptothorax obliquimaculatus sp. nov. is described from the Xiaohei River, a tributary of the Nanting River, Salween drainage, in southwestern Yunnan province, China. This new species can be distinguished from its congeners by the following combination of characteristics: unculiferous ridges of the thoracic adhesive apparatus extending anteriorly onto the gular region; body with irregular dark blotches scattered along lateral surface (blotches mostly oblique); skin smooth on head and body; dorsal spine smooth without serrations on its posterior margin; lips smooth; posterior margin of pectoral spine with 7–8 serrations; dorsal-fin base 11.0–13.2% SL; pectoral-fin length 15.6–19.6% SL; depth of caudal peduncle 8.6–9.8% SL; head width 19.1–24.0% SL; nasal barbel length 23.3–33.3% HL.

圖片超連結: http://www.springerlink.com/content/y1141v252j307614/MediaObjects/10641_2009_9572_Fig1_HTML.jpg