parvus, Cottopsis Girard [C. F.] 1854:144 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 7; ref. 5769] Presidio, San Francisco, California, U.S.A. Syntypes: USNM 294 (2, not found in 1980). •Synonym of Cottus asper Richardson 1836 -- (Scott & Crossman 1998:825 [ref. 24570]). Current status: Synonym of Cottus asper Richardson 1836. Cottidae. Habitat: freshwater, brackish, marine.