Source : Webster's Revised Unabridged Dictionary (1913)

Wrymouth \Wry"mouth`\, n. (Zo["o]l.)
   Any one of several species of large, elongated, marine fishes
   of the genus {Cryptacanthodes}, especially {C. maculatus} of
   the American coast. A whitish variety is called {ghostfish}.

Source : WordNet®

wrymouth
     n : eellike Atlantic bottom fish with large almost vertical
         mouth [syn: {ghostfish}, {Cryptacanthodes maculatus}]