dogfish
1. [ noun ] (zoology) primitive long-bodies carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
Synonyms: grindle Amia_calva bowfin
Related terms: ganoid Amia
2. [ noun ] (zoology) any of several small sharks
Related terms: shark spiny_dogfish smooth_dogfish
Similar spelling:   dogfight
  dogfighter