redtail catfish

snorkeling pseudoplatystoma scuba diving catfishes pimelodid ichthyologist whiskered pimelodidae phractocephalus hemioliopterus red tailed fresh water fish fin redtailed retailed aquaculture freshwater green dive cat whisker redtail catfish mustaches spot scales underwater amazon phractocephalus freshwater aquarium swim redtail marine food pond water wildlife fresh aquatic river tropical fauna fisherman spawn environment fishing predator