What is "perciform"

Perciform \Per"ci*form\, a. [NL., & L. perca a perch + -form.] (Zo["o]l.) Pertaining to the Perciformes.

a. 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. n. Such a fish