Pronunciation: (rī'mouth"),[key] —n., —pl.(esp. collectively)-mouth,(esp. referring to two or more kinds or species)-mouthsPronunciation: (-mou&thslash;z").[key] 1. any blennioid fish of the family Stichaeidae, having a large, upturned mouth, esp. Cryptacanthodes maculatus, a bottom fish of the Atlantic Ocean.
2. any of several related fishes. Also called ghostfish.