Answer: bowfin

AnswerCrossword Clue
BOWFINMudfish.
BOWFINCarnivorous fish also called a grindle
BOWFINCarnivorous freshwater fish
bowfina predaceous dull-green iridescent North American freshwater fish (Amia calva) that is the only surviving member of an order (Amiiformes) dating back to the Jurassic
bowfincarnivorous ganoid fish, Amia calva, found in sluggish fresh waters of eastern North America