perciform

Etymology

adj

1. Of or pertaining to any of very many fish, of the order Perciformes, that have fin spines, a swim bladder without a duct, usually ctenoid scales, and 17 or fewer caudal fin rays.
   He stood with his sketchbook in front of the case of perciform fishes, lavishing attention on the turn and taper of every rib. 2021, Richard Powers, Bewilderment, Hutchinson Heinemann, page 211

noun

1. Such a fish.