Any of the percoid fishes, as the basses or perches.
(zoology) Similar to a acanthopterygian.[First attested in the mid 19th century.]
Origin of acanthopterygian
- From New Latin, from acanthus (“thorn”), (from Ancient Greek ἄκανθος (akanthos)) + Ancient Greek πτερυγίων (pterugion) diminutive of πτέρυξ (pterux, “wing, fin”), from πτερόν (pteron, “feather, wing”).