rivularis, Salmo Ayres [W. O.] 1855:[2] col. 4 [The Pacific [newspaper] v. 4 (nos 7-22); ref. 13428] A few miles back of Martinez, toward the foot of Mount Diablo, Caifornia, U.S.A. No types known. Appeared first as above on 20 Apr.; then in Ayres 1855:43 [ref. 159]. Objectively invalid; preoccupied by Salmo rivularis Pallas 1773. •Synonym of Salmo gairdnerii Richardson 1836 -- (early authors). •Synonym of Oncorhynchus mykiss (Walbaum 1792). 1°Homonym. Current status: Synonym of Oncorhynchus mykiss (Walbaum 1792). Salmonidae: Salmoninae. Habitat: freshwater, brackish, marine.