ray-finned fish


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Related to ray-finned fish: lobe-finned fish

ray-finned fish

(rā′fĭnd′)
n.
Any of various fishes belonging to the class Actinopterygii, having fins supported by long rays of bone. The ray-finned fishes are the largest group of fishes, comprising over 20,000 species. Also called actinopterygian.