dogfish

Definition of Dogfish in English :

primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America

2. dogfish

any of several small sharks

WordNet Lexical Database for English. Princeton University. 2010.

Dogfish

noun plural -fish or -fishes

1.

any of several small spotted European sharks, esp Scyliorhinus canicula (lesser spotted dogfish): family Scyliorhinidae

2.

any small shark of the family Squalidae, esp Squalus acanthias (spiny dogfish), typically having a spine on each dorsal fin

3.

any small smooth-skinned shark of the family Triakidae, esp Mustelus canis (smooth dogfish or smooth hound)

4. a less common name for the bowfin

nounWord forms: plural ˈdogˌfish or ˈdogˌfishes

1.

any of various small sharks, as a spiny dogfish or the smooth dogfish

2.

bowfin

n. pl. dogfish or dog·fish·es

1. Any of various small sharks chiefly of the family Squalidae, often occurring in large schools.

2. See bowfin.