fish genus - any of various genus of fish

family Salmonidae, Salmonidae - salmon and trout

Salvelinus namaycush, lake trout, salmon trout - large fork-tailed trout of lakes of Canada and the northern United States

Salvelinus fontinalis, speckled trout, brook trout - North American freshwater trout; introduced in Europe

char - any of several small-scaled trout