Phractocephalus hemioliopterus

The redtail catfish is a pimelodid (long-whiskered) catfish. This catfish can reach to 5 feet 11 inches in length and weigh 180 pounds. These colorful large catfishes have a brownish back, with yellow sides and characteristic orange-red dorsal fin and caudal fin. There are a pair of barbels on the upper jaw and two pairs on the lower jaw. They are popular fish in Amazonian themed exhibits and are often housed with other large fish such as the pacu.