Pronunciation: (sōp'fish"), [key]
—pl. (esp. collectively) -fish, (esp. referring to two or more kinds or species) -fish•es.
any of several serranid fishes of the genus Rypticus, producing a body mucus that gives the skin a soapy quality, as R. saponaceus, inhabiting shallow waters of the Atlantic Ocean.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.