Yunnanilus altus Kottelat & Chu 1988

No pores on head; no lateral line; usually 9 1/2 branched dorsal rays; color pattern consisting of minute dark spots, often fused to form irregularly shaped blotches; body depth 25-28% SL; body scaled in front of dorsal fin; 14 branched caudal rays (Ref. 12040).

Dorsal soft rays (total): 11 - 13; Analsoft rays: 8

Inhabits stream with moderate flowing water. Feeds on filamentous algae.

Inhabits small stream with moderate flowing water. Moves slowly in shoals on the bottom. Feeds on filamentous algae and insects.

Yunnanilus altus is a species of ray-finned fish, a stone loach, in the genus Yunnanilus from Yunnan. It occurs in small streams with a moderate current where it moves slowly in shoals along the substrate. Its diet consists of filamentous algae and insects. The type locality is in Zhanyi County.