[dam-zuh
l-fish] 
) -fish, (especially referring to two or more kinds or species) -fish⋅es. | any of several chiefly tropical, brilliantly colored, marine fishes of the family Pomacentridae, living among coral reefs. |
| dam·sel·fish (dām'zəl-fĭsh') n. pl. damselfish or dam·sel·fish·es Any of various small tropical marine fishes of the family Pomacentridae, having laterally compressed, usually brightly colored bodies. Also called demoiselle. |
damselfish
any of about 250 species of small, primarily tropical marine fishes of the family Pomacentridae (order Perciformes) found in the Atlantic and Indo-Pacific oceans. Damselfishes are deep-bodied and usually have forked tails. They resemble the related cichlids, and, like them, have a single nostril on each side of the head. Many species are brilliantly coloured, often in shades of red, orange, yellow, or blue; most do not exceed a length of about 15 cm (6 inches)
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