Dogfish vs. Bowfin: What's the Difference?

Dogfish and Bowfin Definitions
Dogfish
Any of various small sharks chiefly of the family Squalidae, often occurring in large schools.
Bowfin
A freshwater fish (Amia calva) of central and eastern North America, having a large mouth and a long dorsal fin, and producing roe that is sometimes used for caviar. Also called dogfish, mudfish; also called regionally choupique.
Dogfish
See bowfin.
Bowfin
A voracious ganoid fish, Amia calva, the last survivor of the order Amiiformes, found in the fresh waters of the United States.
Dogfish
Any of various small sharks
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Bowfin
A voracious ganoid fish (Amia calva) found in the fresh waters of the United States; the mudfish; - called also Johnny Grindle, and dogfish.
Dogfish
Especially those from the family Squalidae
Bowfin
Primitive long-bodies carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
Dogfish
A catshark, any shark from family Scyliorhinidae
Dogfish
A kitefin shark, any shark from family Dalatiidae
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Dogfish
(UK) Scyliorhinus canicula or Scyliorhinus stellaris
Dogfish
(Azores Is.) Scyliorhinus canicula
Dogfish
(Canada) Squalus suckleyi
Dogfish
(Bermuda) Mustelus canis
Dogfish
(Barbados) Bodianus rufus
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Dogfish
(Guyana) Ginglymostoma cirratum or Mustelus canis
Dogfish
(Trinidad and Tobago) Ginglymostoma cirratum
Dogfish
(Namibia) Squalus acanthias, Squalus blainville, Squalus megalops, or Squalus mitsukurii
Dogfish
(US) The bowfin, Amia calva.
Dogfish
A small shark, of many species, of the genera Mustelus, Scyllium, Spinax, etc.
Dogfish
The bowfin (Amia calva). See Bowfin.
Dogfish
The burbot of Lake Erie.
Dogfish
Primitive long-bodies carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
Dogfish
Any of several small sharks