Definition of butterfly fish
1 : any of a family (Chaetodontidae) of small brilliantly colored bony fishes of tropical seas with a narrow deep body and scaled fins
2 : a small brown freshwater bony fish (Pantodon buchholzi of the family Pantodontidae) of western Africa that has elongate winglike pectoral fins
First Known Use of butterfly fish
Learn More about butterfly fish
Britannica.com: Encyclopedia article about butterfly fish
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