tonguefish

[tuhng-fish]
noun, plural (especially collectively) tongue·fish, (especially referring to two or more kinds or species) tongue·fish·es.
  1. any of several flatfishes of the family Cynoglossidae, having the tail tapered to a point.

Origin of tonguefish

First recorded in 1645–55; tongue + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018