| Noun | 1. | family Coregonidae - soft-finned fishes comprising the freshwater whitefishes; formerly included in the family Salmonidae fish family - any of various families of fish Isospondyli, order Isospondyli - most primitive teleost fishes; all are soft-finned: salmon; trout; herring; shad; sardines; anchovies; whitefish; smelts; tarpon whitefish - silvery herring-like freshwater food fish of cold lakes of the northern hemisphere Coregonus, genus Coregonus - type genus of the Coregonidae: whitefishes genus Prosopium, Prosopium - whitefishes |