动物学研究

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A new cave-dwelling blind loach, Triplophysa erythraea sp. nov. (Cypriniformes: Nemacheilidae), from Hunan Province, China

  

A new cave-dwelling blind loach, Triplophysa erythraea sp. nov. (Cypriniformes: Nemacheilidae), from Hunan Province, China

Tai-Fu Huang1,#, Pei-Ling Zhang1,#, Xing-Long Huang1, Tao Wu1, Xiao-Yan Gong1, You-Xiang Zhang1, Qing-Zhong Peng1, Zhi-Xiao Liu1,*   

  1. 1 College of Biology and Environmental Sciences, Jishou University, Jishou Hunan 416000, China 

Abstract: A new blind loach species, Triplophysa erythraea sp. nov., from a karst cave in Hunan Province, central south China, is described based on morphology and cyt b gene sequencing. It can be distinguished from other species of Triplophysa by the following combination of characters: eyes absent; body scaleless and colorless; caudal-fin 17; maxillary barbel longest; fins transparent, compressed pectoral-fin reaching 2/3 distance between pectoral-fin and pelvic-fin origins; pelvic-fin and dorsal-fin origins relative; posterior chamber of airbladder well developed, long, oval, and dissociative.

Key words: Triplophysa erythraea sp. nov., Karst cave, Blind fish, Cyt b

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