English

Copperband butterflyfish, Chelmon rostratus, a coralfish.

Noun

butterflyfish ‎(plural butterflyfishes or butterflyfish)

1. Any of a group of conspicuous tropical marine fish of the family Chaetodontidae; the bannerfish and coralfish are also included in this group. Butterflyfish are fairly small, mostly from 12 to 22 cm (c.7-9 in) in length.

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