dogfish

/ˌdɔgˈfɪʃ/

/ˈdɒgfɪʃ/

Definitions of dogfish

1. noun

   primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
   synonyms: Amia calva, bowfin, grindle

   type of:

   ganoid, ganoid fish

   primitive fishes having thick bony scales with a shiny covering
2. noun

   any of several small sharks
   types:

   smooth dogfish

   small bottom-dwelling shark found along both Atlantic coasts

   spiny dogfish

   small bottom-dwelling dogfishes

   Mustelus mustelus, smoothhound, smoothhound shark

   smooth dogfish of European coastal waters

   American smooth dogfish, Mustelus canis

   found along the Atlantic coast of the Americas

   Florida smoothhound, Mustelus norrisi

   found from the northern Gulf of Mexico to Brazil

   Triaenodon obseus, reef whitetip shark, whitetip shark

   smooth dogfish of Pacific and Indian Oceans and Red Sea having white-tipped dorsal and caudal fins

   Atlantic spiny dogfish, Squalus acanthias

   destructive dogfish of the Atlantic coastal waters of America and Europe; widely used in anatomy classes

   Pacific spiny dogfish, Squalus suckleyi

   dogfish of Pacific coast of North America

   type of:

   shark

   any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales