
• (a.) Belonging to the order of fishes having spinose fins, as the perch. • (n.) A spiny-finned fish.
Found on
http://thinkexist.com/dictionary/meaning/acanthopterygian/
Ac`an·thop`ter·yg'i·an adjective (Zoology) Belonging to the order of fishes having spinose fins, as the perch. --
noun A spiny-finned fish.
Found on
http://www.encyclo.co.uk/webster/A/12

acanthopterygian Any of a large group of fishes with bony skeletons and hard, spiny rays in the dorsal and anal fins; including the sunfish, perch, bass, porgy, mackeral, and swordfish.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1782/

belonging or pertaining to the Acanthopterygii (Acanthopteri), the group of spiny-finned fishes, including the bass and perch.
Found on
https://www.infoplease.com/dictionary/acanthopterygian
No exact match found.