WAcanthicus hystrix
WAcanthodoras spinosissimus
WAgamyxis pectinifrons
WAgeneiosus ucayalensis
WAmazon leaffish
WApistogramma eremnopyge
WApistogramma nijsseni
WApistogramma panduro
WAstroblepus sabalo
WAstroblepus vanceae
WEmerald catfish
WGilded catfish
WHog-nosed catfish
WPorthole shovelnose catfish
WRedtail catfish
WSpiny catfish
WFirewood catfish
WCichla monoculus
WCochu's blue tetra
WCorydoras panda
WCrenicichla johanna
WCrenuchus spilurus
WGlass bloodfin tetra
WGoeldiella
WGreen terror
WHelogenes marmoratus
WLasiancistrus schomburgkii
WMegalechis picta
WMegalechis thoracata
WMegalodoras uranoscopus
WRedhook myleus
WNemadoras humeralis
WOcellate river stingray
WOpsodoras stuebelii
WOrestias (fish)
WOxydoras niger
WParatrygon
WPeckoltia pankimpuju
WPhysopyxis lyra
WPimelodus pictus
WPotamotrygon falkneri
WPotamotrygon tigrina
WPseudoplatystoma punctifer
WPseudoplatystoma tigrinum
WPterophyllum scalare
WSharp-snouted piranha
WSteatogenys elegans
WSturisoma guentheri
WTiticaca orestias
WTrachydoras microstomus
WTrichomycterus rivulatus
WZebra oto