Pseudaspius

Pseudaspius, commonly called redfin daces, are a genus of cyprinid fishes found in marine and freshwater in eastern Asia, specifically the countries of Russia, Mongolia, China and Japan. Most species are diadromous into the Sea of Japan.

Species
There are currently five recognized species in this genus.

Taxonomy and systematics
This genus was formerly monotypic, featuring only P. leptocephalus, until it was expanded by the addition of the four species that made up the genus Tribolodon.