damselfish

[ dam-zuh l-fish ]
/ ˈdæm zəlˌfɪʃ /

noun, plural (especially collectively) dam·sel·fish, (especially referring to two or more kinds or species) dam·sel·fish·es.

any of several chiefly tropical, brilliantly colored, marine fishes of the family Pomacentridae, living among coral reefs.
Also called demoiselle.

Origin of damselfish

First recorded in 1900–05; damsel + fish

British Dictionary definitions for damselfish

damselfish
/ (ˈdæmzəlˌfɪʃ) /

noun plural -fish or -fishes

any small tropical percoid fish of the family Pomacentridae, having a brightly coloured deep compressed body See also anemone fish