sunfish -
small carnivorous freshwater percoid fishes of North America usually having a laterally compressed body and metallic luster: crappies; black bass; bluegills; pumpkinseed
crappie small sunfishes of central United States rivers
freshwater bream,
bream any of various usually edible freshwater percoid fishes having compressed bodies and shiny scales; especially (but not exclusively) of the genus Lepomis
centrarchid,
sunfish small carnivorous freshwater percoid fishes of North America usually having a laterally compressed body and metallic luster: crappies; black bass; bluegills; pumpkinseed
sunfish -
among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters