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
Pygmy Cory
FishCorydoras pygmaeus
Tiny catfish that defies expectations by schooling in open water, not just the bottom.
Pygmy Hatchetfish
FishCarnegiella myersi
Tiny, delicate, and built for the surface. The smallest hatchetfish of them all.
Raccoon Tetra (Tank-Bred)
FishHyphessobrycon procyon
A boldly masked little tetra that's as easy to keep as it is distinctive.
Rainbow Copella
FishCopella vilmae
A jewel-toned splash of color from the blackwater streams of the upper Amazon.
Ranger Pleco
FishPterygoplichthys weberi
A hard-working algae grazer from Amazonian headwaters with a remarkable breathing trick.
Raphael catfish
FishPlatydoras costatus
A bold-striped catfish that grunts, buries itself, and eats almost anything.
Raspy River Stingray
FishPotamotrygon scobina
A rare freshwater ray that often gets misidentified and mis-sold in the trade.
Red-bellied Pacu
FishPiaractus brachypomus
A fruit-eating giant that outgrows nearly every home aquarium.
Red-bellied Piranha
FishPygocentrus nattereri
The world's most notorious fish, and surprisingly misunderstood in the wild.
Redbreast Acara
FishLaetacara dorsigera
A tiny South American cichlid with a boldly colored chest and a gentle personality.
Redeye Piranha
FishSerrasalmus rhombeus
A solitary, powerfully-jawed predator best kept as a single specimen by dedicated keepers.
Redeye Tetra
FishMoenkhausia oligolepis
A peaceful, easy-to-breed South American tetra often mistaken for its flashier cousin.
Red Fin Banded Pencilfish
FishNannostomus erythrurus
A slender, vividly finned pencilfish that rewards patient, detail-oriented keepers.
Redflank Bloodfin
FishAphyocharax rathbuni
A fin-nipping schooler that rewards careful community planning with lively, colorful energy.
Red Hook Silver Dollar
FishMyloplus rubripinnis
A coin-shaped giant with a bold red fin and a serious appetite for plants.
Red Line Tetra
FishHyphessobrycon amapaensis
A tiny, rarely seen Brazilian tetra with vivid red and cream lateral striping.
Red Lips
FishSatanoperca rhynchitis
A gregarious French Guiana cichlid with distinctive red lips and surprising gentleness outside of spawning.
Red Lizard Catfish
FishRineloricaria sp
A slender, peaceful whiptail with a mysterious origin and surprisingly easy breeding behavior.
Red Mouth Headstander
FishAnostomus ternetzi
A boldly striped headstander that swims at its own angle. Literally.
Red Orange Neon
FishPseudomugil sp. "Red Neon"
Tiny, vivid, and electric. A micro-rainbow that rewards patient keepers.
Red Pencilfish
FishNannostomus mortenthaleri
A tiny, fiery Peruvian pencilfish that punches well above its weight in attitude.
Red Phantom Tetra
FishHyphessobrycon sweglesi
A deep-red schooling tetra that rewards you for keeping bigger groups.
Red-spotted Copeina
FishCopella eigenmanni
A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.
Redspotted Tetra
FishCopeina guttata
A paternal nest-guarder from the Amazon with bold red spots and real personality.
Redstriped Eartheater
FishGeophagus surinamensis
A mouthbrooding digger that sifts sand and fiercely guards its young.
Redtail Catfish
FishPhractocephalus hemioliopterus
A gorgeous river giant that almost no home aquarium can truly accommodate.
Red-tailed Flag Tetra
FishHyphessobrycon agulha
A rare, peaceful tetra that anchors its entire species group by name.
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.