Darters Perches and Relatives: Percoidei
Physical Characteristics
Fishes in the suborder Percoidei (puhr-COI-dee-ee) have the following characteristics in common: spines in the dorsal (DOOR-suhl), anal (AY-nuhl), and pelvic fins; two dorsal fins; rough scales; pelvic fins in the chest area; a spine and soft rays, or supporting rods, in the pelvic fin; and no more than seventeen rays in the tail fin. The dorsal fins are the ones along the midline of the back. The anal fin is along the midline of the belly. The pelvic fins correspond to the rear legs of four-footed animals.
Additional topics
Animal Life ResourceFish and Other Cold-Blooded VertebratesDarters Perches and Relatives: Percoidei - Physical Characteristics, Conservation Status, Largemouth Bass (micropterus Salmoides): Species Accounts, Common Dolphinfish (coryphaena Hippurus): Species Accounts - GEOGRAPHIC RANGE, HABITAT, DIET, BEHAVIOR AND