Noun silver perch has 2 senses

• silver perch(n = noun.animal) bairdiella chrysoura, mademoiselle - small silvery drumfish often mistaken for white perch; found along coasts of United States from New York to Mexico; Array
is a kind of drum, drumfish
is a member of bairdiella, genus bairdiella

• silver perch(n = noun.animal) morone americana, white perch - small silvery food and game fish of eastern United States streams; Array
is a kind of serranid, serranid fish
is a member of genus morone, morone