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
Granulated Catfish
FishPterodoras granulosus
A gentle giant that grazes on rainforest fruit and needs serious space.
Green Cabomba
PlantCabomba aquatica
Feathery South American stem plant that thrives in groups and rewards moderate light.
Green Cardinal
FishParacheirodon simulans
The neon's lesser-known cousin, with a greener stripe and wilder roots.
Green-gold Cory
FishCorydoras melanotaenia
A long-bodied, gold-finned cory that's rarer in tanks than it deserves to be.
Greenstripe Pencilfish
FishNannostomus marilynae
A rare pencilfish that moonlights in cryptic stripes every single night.
Green Terror
FishAndinoacara rivulatus
A bold, beautiful cichlid that will absolutely rearrange your community tank.
Guapore Corydoras
FishCorydoras guapore
A corydoras that defies the bottom-dweller stereotype by schooling mid-water.
Guppy
FishPoecilia reticulata
The world's most recognizable livebearer, and probably the easiest fish to breed.
Guppy
FishTomeurus gracilis
A tiny Venezuelan oddity that lays eggs despite fertilizing them internally.
Half-striped Penguin Tetra
FishThayeria ifati
The rarest penguin tetra, with a boldly defined tail stripe and colorful fin tips.
Hancock's Amblydoras
FishAmblydoras hancocki
A schooling armored catfish with surprising survival tricks up its sleeve.
Hardback King Pleco
FishGlyptoperichthys joselimaianus
A hefty Amazonian pleco that breathes air and rules the tank bottom.
Harrison's Pencilfish
FishNannostomus harrisoni
A rare, gentle pencilfish that thrives in groups and rewards patient keepers.
Hatchetfish
FishCarnegiella strigata strigata
A tiny, peaceful surface-dweller with a deep-keeled body unlike any other tetra.
Head-and-tail Light Tetra
FishHemigrammus ocellifer
Two glowing spots, nose to tail. A classic community tetra that delivers every time.
Headstander
FishLeporinus brunneus
A sleek South American characin from blackwater rivers, suited to spacious tanks.
Headstander
FishSynaptolaemus latofasciatus
A boldly banded Orinoco headstander with a fascinating taxonomic backstory.
Hemiodus immaculatus
FishHemiodopsis immaculatus
A fast-moving, peaceful schooler from Amazonian blackwater river systems.
Henle's Freshwater Stingray
FishPotamotrygon henlei
A bold, boldly patterned river predator that demands respect and serious space.
High-back Headstander
FishAbramites hypselonotus
A bottom-grazing oddball that swims nose-down and grows bolder with age.
Highfin Apisto
FishApistogramma hoignei
A dwarf cichlid from the Orinoco with cave-breeding instincts and complex taxonomic intrigue.
Hoplo catfish
FishMegalechis picta
A mud-burrowing South American catfish that breathes air and builds bubble nests.
Huanta Cory
FishCorydoras fowleri
A long-snouted cory with a feisty streak and surprisingly long lifespan.
Imitator Cory
FishCorydoras imitator
A long-lived Rio Negro cory that schools with its color-alike cousins in the wild
Inca
FishApistogramma baenschi
A beginner-friendly dwarf cichlid with big personality and bold crescent markings.
Isabelita Pleco
FishHypancistrus debilittera
A compact, cave-dwelling pleco with a big attitude toward its own kind.
Isorineloricaria villarsi
FishSqualiforma villarsi
A rare Venezuelan pleco with surprising peaceful manners and air-breathing tricks.
Jaguar Catfish
FishLiosomadoras oncinus
A boldly patterned nocturnal catfish that fiercely guards its chosen hideout.
January Tetra
FishHemigrammus hyanuary
A peaceful little tetra that looks like a stretched head-and-tail light fish.
Jello Band Catfish
FishAguarunichthys torosus
A powerfully built Peruvian catfish that treats smaller tankmates as a meal.
Julii Cory
FishCorydoras julii
A spotted little catfish that blinks, breathes air, and belongs in every peaceful community.
Julii Cory
FishCorydoras trilineatus
Commonly sold as julii cory, this peaceful armored catfish is a beginner-friendly gem.
Jumbie Teta
FishAncistrus cf cirrhosus
The bristlenose catfish: a compact, algae-grazing workhorse with a face only a hobbyist could love.
Jumbo Cory
FishCorydoras multiradiatus
A large, long-snouted cory with a fascinating air-breathing trick up its sleeve.
Jutai
FishApistogramma sp. "Kelleri"
A mouthbrooding dwarf cichlid with a remarkably flexible approach to raising its young.
Kane's cory
FishCorydoras kanei
A small, spotted cory from blackwater rivers that breathes air and charms beginners.