south america. the redtail catfish, phractocephalus hemioliopterus, is a pimelodid long-whiskered catfish. bright fish in a clean

amazon animal aquarium aquatic background beauty blue catfish closeup color colorful coral deep dive diving exotic fauna fin fish freshwater hemioliopterus lake life long marine muddy natural nature ocean phractocephalus pimelodid red redtail reef reservoir river scuba sea shoal swim swimming tail tropical under underwater water whiskered wild wildlife yellow