RAY-FINNED FISHES
PERCH-LIKE FISHES
Perciforms, or perch-like fish, form the largest order of fish, the largest order of vertebrates and comprise at least a third of all fish species. They are distinguished by pectoral fins on the sides; spines on the dorsal and anal fins; pelvic fins on the abdomen with one spine and up to five soft rays; dorsal and anal fins that are detached from the caudal (tail) fin, and jaw that can be thrust outward to suck food into the mouth.
TUNAS AND ALLIES