Moorish idol
noun
a black, white, and yellow fish, Zanclus cornutus (or canescens), inhabiting the tropical Indian and Pacific oceans, having a long snout and an elongated dorsal fin.
British Dictionary definitions for moorish idol
Moorish idol
noun
a tropical marine spiny-finned fish, Zanclus canescens, that is common around coral reefs: family Zanclidae. It has a deeply compressed body with yellow and black stripes, a beaklike snout, and an elongated dorsal fin