WDusky millions fish
WGilded catfish
WLuciopimelodus
WOcellate river stingray
WOdontesthes bonariensis
WPinirampus
WPorcupine river stingray
WPorthole shovelnose catfish
WPotamotrygon falkneri
WPseudoplatystoma corruscans
WSalminus brasiliensis
WStriped Raphael catfish
WTrachydoras paraguayensis