Amazon & South America
The Amazon basin and its sister rivers (Orinoco, Xingu, Tapajós) — home to tetras, cichlids, catfish, and many of the hobby's most iconic freshwater species.
629 species · fish
Other regions in The Americas
Stalsberg's Cichlid
FishAndinoacara stalsbergi
A Pacific-slope cichlid built for hard, alkaline, and even brackish water.
Steindachner's Dwarf Cichlid
FishApistogramma steindachneri
A harem-breeding dwarf cichlid with bold lateral markings from Guiana's rivers.
Sterba's Cory
FishCorydoras sterbai
A long-lived, peaceful catfish that does everything better in a group.
Stick Catfish
FishAcestridium dichromum
A twig-mimicking catfish from blackwater Orinoco rivers, rarely seen in the trade.
Strawberry
FishApistogramma eremnopyge
A tiny Peruvian cichlid with a dark tail blotch and surprisingly complex social needs.
Striped Headstander
FishAnostomus anostomus
A boldly striped South American fish that swims nose-down and plays rough with its own kind.
Striped Pike-characin
FishBoulengerella lateristriga
A torpedo-shaped Amazonian predator that schools when young and hunts when older.
Striped Raphael
FishPlatydoras armatulus
The catfish that actually talks. And you can hear it through the glass.
Striped Silver Dollar
FishMetynnis fasciatus
A compact, banded silver dollar from the heart of the Amazon basin.
Striped Tucunare
FishCichla temensis
A giant Amazonian predator that outgrows almost every home aquarium.
Striped Woodcat
FishTrachelyopterichthys taeniatus
A boldly patterned Amazonian catfish that thrives in community tanks.
Sturgeon Catfish
FishLamontichthys filamentosus
A whip-finned Amazonian catfish whose fin filaments can outgrow its own body.
Sturgeon Catfish
FishPlatystomatichthys sturio
A skittish Amazon catfish with a peculiar profile and surprising longevity.
Sucker catfish
FishOtocinclus flexilis
A tiny algae grazer from Brazil with a surprising trick up its sleeve.
Suckermouth Catfishes
FishHypostomus sp
Ancient armored grazers from one of South America's most remote wild places.
Suckermouth Catfishes
FishHypostomus sp. "L231"
A mysterious Peruvian pleco whose identity still has scientists guessing.
Suckermouthed Catfish
FishHypostomus punctatus
A hardy Brazilian pleco that earns its keep cleaning up algae and debris.
Sunshine Pleco
FishScobinancistrus aureatus
A bold, deep-bodied Xingu pleco that earns its place with personality to spare.
Swamp Eel
FishSynbranchus madeirae
A secretive South American swamp eel with surprising parental instincts.
Sword-cheeked Tetra
FishCorynopoma riisei
An internal fertilizer with elaborate courtship tricks that most tetras can't match.
Sychri Cory
FishCorydoras sychri
A tiny Peruvian catfish that blinks, breathes air, and loves company.
Tailspot corydoras
FishCorydoras caudimaculatus
A tiny armored catfish with a bold tail spot and surprisingly long lifespan.
Talking Catfish
FishAcanthodoras spinosissimus
A armored, sound-making catfish that thrives in good company.
Taurus Cory
FishAspidoras taurus
A pint-sized armored catfish that breathes air and thrives in groups.
Tetra
FishHyphessobrycon acaciae
A tiny Orinoco tetra with a bold dark lateral stripe and beginner-friendly nature.
Tetra Toucan
FishTucanoichthys tucano
A pint-sized Amazonian rarity that rewards patient, specialist keepers.
This appears to be a catalog code rather than a common name. Corydoras pantanalensis is known as 'Pantanal Corydoras' or 'Pantanal Catfish'
FishCorydoras pantanalensis
A long-lived Bolivian cory with a quirky air-gulping habit worth watching for.
Thorn Catfish
FishHassar orestis
A sound-producing doradid catfish that rewards patient keepers with bold group behavior.
Thorny Catfish
FishAnadoras grypus
A compact Amazonian thorny catfish with surprising personality for its small size.
Thorny Catfish
FishNemadoras leporhinus
A schooling thorny catfish from South America, rarely seen but worth seeking out.
Thorny Catfish
FishOxydoras niger
A school-forming gentle giant that outgrows almost every home aquarium.
Thorny Catfish
FishRhinodoras dorbignyi
A gentle giant of the Paraná, this armored catfish needs serious space to roam.
Threadfin Acara
FishAcarichthys heckelii
A cichlid with elaborate burrowing spawning behavior unlike almost anything else in the hobby.
Threadfin Eartheater
FishGeophagus altifrons
A sand-sifting Amazon cichlid that's gentler than its reputation suggests.
Three Beacon Plec
FishLeporacanthicus triactis
The vampire plec with vivid fin markings that actually stay as it grows.
Three-ray Bristlenose Pleco
FishAncistrus triradiatus
A compact, cave-breeding Bristlenose with a surprisingly complex social life.