[ak-uhn-thop-tuh-rij-ee-uhn]/ ˌæk ənˌθɒp təˈrɪdʒ i ən /
adjective
belonging or pertaining to the Acanthopterygii (Acanthopteri), the group of spiny-finned fishes, including the bass and perch.
noun
an acanthopterygian fish.
acanthopterygian
British
/ ˌækənˌθɒptəˈrɪdʒɪən /
adjective
of, relating to, or belonging to the Acanthopterygii, a large group of teleost fishes having spiny fin rays. The group includes most saltwater bony fishes
Any of a large group of teleost fishes of the superorder Acanthopterygii, having spiny rays in the dorsal and anal fins and including the bass, perch, mackerel, and swordfish.