BOWFIN
bowfin, grindle, dogfish, Amia calva
(noun) primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
Source: WordNet® 3.1
Etymology
Noun
bowfin (plural bowfins)
A voracious ganoid fish, Amia calva, the last survivor of the order Amiiformes, found in the fresh waters of the United States.
Synonyms
• Johnny Grindle, dogfish, mudfish, choupique
Source: Wiktionary
Bow"fin`, n. (Zoöl.)
Definition: A voracious ganoid fish (Amia calva) found in the fresh waters
of the United States; the mudfish; -- called also Johnny Grindle, and
dogfish.
Source: Webster’s Unabridged Dictionary 1913 Edition