Definitions for damselfishˈdæm zəlˌfɪʃ
Random House Webster's College Dictionary
dam•sel•fishˈdæm zəlˌfɪʃ(n.)(pl.)-fish; -fish•es.
any of several brilliantly colored coral reef fishes of the family Pomacentridae.
Ref: Also called demoiselle.
Origin of damselfish:
small brilliantly colored tropical marine fishes of coral reefs
Any of a number of fish in the Pomacentridae taxonomic family.