noun, plural (especially collectively) wry·mouth, (especially referring to two or more kinds or species) wry·mouths [rahy-mouth z] /ˈraɪˌmaʊðz/.

any blennioid fish of the family Stichaeidae, having a large, upturned mouth, especially Cryptacanthodes maculatus, a bottom fish of the Atlantic Ocean.
any of several related fishes.

Origin of wrymouth

First recorded in 1645–55; wry + mouth
Also called ghostfish.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019