Yunnanilus triangulus
Yunnanilus triangulus Liu, Lyu, Du & Chen, 2025
Triangle Yunnan loach

Family:  Nemacheilidae (Brook loaches)
Max. size:  5.46 cm SL (female)
Environment:  demersal; freshwater
Distribution:  Asia: China.
Diagnosis:  Dorsal soft rays (total): 11-11; Anal soft rays: 7-7. This species is distinguished by the following set of characters: a unique triangular tubercle on the male caudal peduncle; absence of scales on head and thorax; eye diameter shorter than interorbital width; absence of outer gill raker; absence of processus dentiformis; six branched pelvic-fin rays; eight branched dorsal-fin rays and specific metric characters (Ref. 133081).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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