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.
642 species
Other regions in The Americas
Red-tailed Freshwater Barracuda, Spotted Cachorro
FishAcestrorhynchus falcatus
A pike-like ambush predator that minds its manners with fish it can't swallow.
Red Terror
FishCichlasoma festae
A massive, fierce Ecuadorian cichlid that will eat anything it can fit in its mouth.
Red Wolf Fish
FishErythrinus erythrinus
A bold, air-breathing predator that mimics killifish as a juvenile to lure prey
Reticulate Freshwater Stingray
FishPotamotrygon orbignyi
A manageable freshwater ray for those ready to step up to serious specialist keeping.
Reynoldsi Cory
FishCorydoras reynoldsi
A tiny Colombian cory with a surprisingly long life and some endearing quirks.
Ringtailed Pike Cichlid
FishCrenicichla saxatilis
A torpedo-shaped predator from Suriname's creeks, built to ambush and dominate.
Rio Napo cory
FishCorydoras napoensis
A tiny armored catfish from Ecuador that rewards patient keepers with decades of personality.
Ripsaw Catfish
FishMegalodoras uranoscopus
A gentle giant catfish from the Amazon that travels in groups and growls.
Robusta Cory
FishCorydoras robustus
One of the largest corys around, rarely seen and worth the hunt.
Rose Common Pleco
FishHypostomus roseopunctatus
A hefty South American pleco with an unusual ability to breathe air.
Rosette River Stingray
FishPotamotrygon schroederi
A rare, patterned freshwater ray that demands respect and serious commitment.
Rosy Basketmouth
FishCaquetaia spectabilis
A bold Amazonian cichlid that pairs for life and defends its brood fiercely.
Rosy Tetra
FishHyphessobrycon bentosi
A rosy, fin-flaring little characin that puts on its best show in a crowd.
Rosy Tetra
FishHyphessobrycon rosaceus
A softly blushing schooling tetra that rewards keepers who think in groups.
Rotpunct Apisto
FishApistogramma alacrina
A pint-sized Colombian dwarf cichlid with a uniquely spotted pectoral fin base.
Royal Farlowella Whiptail Catfish (Tank-Bred)
FishSturisoma panamense
An elegant whiptail catfish that grazes algae and breathes air when needed.
Royal Pleco
FishPanaque nigrolineatus
A wood-rasping giant with bold racing stripes and a reclusive personality.
Royal Whiptail
FishSturisoma festivum
A sleek, whiskered algae grazer from the Maracaibo basin with a surprising trick up its sleeve.
Ruby Tetra
FishAxelrodi riesei
A tiny red gem from Colombia that rewards patient, species-focused keepers.
Rummy Nose Tetra
FishHemigrammus bleheri
A tight-schooling tetra whose vivid red nose blazes brightest in a large group.
Rummy Nose Tetra
FishHemigrammus rhodostomus
The original rummy-nose, built for tight shoals and soft Amazon water.
Saddleback Acara
FishAequidens tetramerus
A wide-ranging South American cichlid with vivid locality color forms worth hunting down.
Saddle Corydoras
FishCorydoras ephippifer
A rarely-seen Amazonian cory with clear fins and a surprisingly long lifespan.
Sailfin Pimeloid
FishLeiarius marmoratus
A massive schooling catfish with dramatic fins and a nocturnal personality.
Sailfin Pleco
FishGlyptoperichthys gibbiceps
A decades-long commitment: this armored giant lives longer than most pets.
Sailfin Tetra
FishCrenuchus spilurus
A solitary little predator with theatrical fin displays and devoted fathering instincts.
Salmacis Cory
FishScleromystax salmacis
A tiny armored catfish from Brazilian ponds, with a venomous sting to respect.
Salt and Pepper Cory
FishCorydoras habrosus
A pint-sized armored catfish that breathes air and blinks at you.
Sands' cory
FishCorydoras davidsandsi
A rarely exported Rio Negro cory with a bold split dorsal bar and surprising longevity.
San Francisco Piranha
FishPygocentrus piraya
The largest piranha, and the one that earns the reputation others borrow.
Santa cruz cory
FishCorydoras cruziensis
A tiny armored catfish from Bolivia with a gut that doubles as a lung.
Scarlet Livebearer
FishMicropoecilia picta
A pint-sized livebearer with a taste for brackish water and bold color.
Schwartz's Cory
FishCorydoras schwartzi
A long-lived, armored bottom dweller that genuinely thrives in good company.
Serpae Tetra
FishHyphessobrycon eques
Fiery red schooler that turns fin-nipper when kept in too-small groups.
Seuss' cory
FishCorydoras seussi
A long-lived Bolivian cory that breathes air and rewards patient keepers.
Severum
FishHeros efasciatus
A gentle giant of the Amazon that plays surprisingly well with others.