- 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.
- 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