noun.
Any of various brightly colored fishes of the family Pomacanthidae of warm seas, having a laterally compressed body and often long extensions on the dorsal and anal fins.
noun.
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noun.
A cichlid (Pterophyllum scalare) native to rivers of tropical South America and having a laterally compressed, usually striped body with long dorsal and anal fins. It is popular in home aquariums.
noun.
Any of several other fishes of the genus Pterophyllum.