2024/05/14 by Wei‐Han Shao, Guang-Yuan Cheng, Xiaolong Lu +2 · 1 voice
Agricultural and Biological Sciences · Environmental Science · #Fish Biology and Ecology Studies #Fish Ecology and Management Studies #Aquatic Invertebrate Ecology and Behavior
paper · pdf · doi:10.3897/zse.100.119520
openalex publication_date 2024/05/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Sinocyclocheilus guiyang , a new troglobitic species from a subterranean tributary of the upper Yangtze Basin in Guiyang City, Guizhou Province, China is described in the present study. The new species is distinguishable from its congeneric species by a combination of the following characters: tip of maxillary barbel reaching to posterior edge of orbit; forehead horn absent; eye absent (or highly reduced) and tip of pectoral fins not significantly extending beyond the base of the pelvic fin. Molecular evidence, based on the mitochondrial cytochrome b (cyt b ) gene, further supports the validity of the species and also reveals its close relationship with S. cyphotergous , S. multipunctatus , S. punctatus and S. sanxiaensis. In addition, the new species faces a high risk of extinction, underscoring the urgency for habitat protection measures within its limited range.