Noun | 1. | Squalidae - dogfishes having a spine in each dorsal fin fish family - any of various families of fish Elasmobranchii, Selachii, subclass Elasmobranchii, subclass Selachii - sharks; rays; dogfishes; skates spiny dogfish - small bottom-dwelling dogfishes genus Squalus, Squalus - spiny dogfishes |