[ roo-ster-fish ]
/ ˈru stərˌfɪʃ /
noun, plural roost·er·fish·es, (especially collectively) roost·er·fish.
a large, edible fish, Nematistius pectoralis, inhabiting the warmer waters of the Pacific Ocean, having the first dorsal fin composed of brightly colored filamentous rays.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019