Onychostoma alticorpus (Oshima 1920)

Head short and top of head convex; snout short and conical; eyes small and interorbital space wide. Dorsal fin without spine, origin of it nearer to tip of snout and opposite ahead of origin of ventral fin; base of anal fin short and its outer margin truncated.

Inhabits the middle reaches of mountain streams, with strong current and gravel. Feeds on algae and insects.

Inhabits rapid flowing streams.