bowfin

Short definition from Wiktionary

Noun

1. 1
   Any of the two extant elongated fish of the genus Amia, native to North America, previously thought to be the same species: especially, a ruddy bowfin (Amia calva).
2. 2
   Any of the two extant elongated fish of the genus Amia, native to North America, previously thought to be the same species: an eyespot bowfin (Amia ocellicauda).