WAgeneiosus inermis
WAncistrus cirrhosus
WAngular angelshark
WArgentine angelshark
WAustrolebias bellottii
WBunocephalus coracoideus
WFreckled catshark
WRoughskin dogfish
WVelvet dogfish
WDusky millions fish
WGilded catfish
WShortnose guitarfish
WSmalleye hammerhead
WOcellate river stingray
WOdontesthes bonariensis
WParaloricaria vetula
WPorcupine river stingray
WPotamotrygon falkneri
WPseudoplatystoma corruscans
WRhinelepis aspera
WSalminus brasiliensis
WFinetooth shark
WNarrowfin smooth-hound
WNarrownose smooth-hound
WStriped smooth-hound
WSouthern pipefish
WStriped Raphael catfish