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
Bannertail Cory
FishCorydoras robineae
The bannertail cory: bold markings, fascinating air-gulping behavior, and surprising longevity.
Barred Pencilfish
FishNannostomus espei
The only pencilfish that wears its night pattern all day long.
Bearded Cory
FishScleromystax barbatus
The giant of the cory world, with a beard and a serious attitude to match.
Beautiful Scaled Characin
FishCopella nattereri
A subtly patterned characin with fascinating competitive courtship behavior.
Belgian Flag Tetra
FishHyphessobrycon heterorhabdus
A tricolor tetra named for its flag-like red, yellow, and black striping.
Biara
FishRhaphiodon vulpinus
A sleek South American predator that outgrows almost every home aquarium.
Bigeye Cichlid
FishAcaronia nassa
A wide-eyed Amazonian ambush predator that makes the most of its stillness.
Big-eyed Cachorro
FishAcestrorhynchus falcirostris
A riverine ambush predator that plays surprisingly well with tankmates it can't eat.
Bigmouth
FishApistogramma norberti
A pocket-sized Peruvian cichlid with a big personality and cave-spawning habits.
Black Arowana
FishOsteoglossum ferreirai
A surface-cruising river predator that leaps for prey in the wild.
Blackband Copella
FishCopella callolepis
A tiny Amazonian schooler that rewards patience with vivid courtship displays.
Black-banded Headstander
FishLaemolyta orinocensis
A sleek, banded Orinoco native that tilts head-down as it forages.
Blackbanded Pyrrhulina
FishCopella nigrofasciata
A dapper little Amazonian splasher with devoted fathering instincts.
Black Catfish
FishTrachycorystes trachycorystes
A hefty South American catfish with unusual reproductive biology and serious presence.
Black Darter Tetra
FishPoecilocharax weitzmani
A cave-guarding micro-predator from blackwater South America with serious attitude.
Black-ear Pacu
FishMyleus schomburgkii
A disc-shaped, plant-munching pacu with a bold black flank bar and surprisingly peaceful nature.
Black Ghost
FishApteronotus albifrons
A velvety black, ribbon-finned predator that navigates by its own electric field.
Blackline Apisto
FishApistogramma gibbiceps
A cave-spawning dwarf cichlid from the blackwater rivers of the Amazon basin.
Blackline Penguinfish
FishThayeria boehlkei
The tetra that swims nose-up and wears a bold racing stripe to its tail.
Black Neon Tetra
FishHyphessobrycon herbertaxelrodi
A boldly patterned schooling fish that thrives in a lively community setup.
Black phantom tetra
FishHyphessobrycon megalopterus
Ghost-grey tetras with bold black fins that come alive during male rivalry displays.
Blackseam Cichlid
FishApistogramma hongsloi
A compact Colombian dwarf cichlid that pairs up and parents together.
Black spot piranha
FishPygocentrus cariba
The Orinoco's apex predator, wrapped in myth and surprisingly manageable alone.
Black-spotted Corydoras
FishCorydoras melanistius
A sociable little armored catfish that thrives in groups and lives surprisingly long.
Black Tetra
FishGymnocorymbus ternetzi
A classic community tetra whose dark skirt stands out against brighter tankmates.
Black-throated Eartheater
FishGeophagus brachybranchus
A sand-sifting eartheater with elaborate mouthbrooding parental care and a surprisingly gentle nature.
Blacktop Catfish
FishCorydoras acutus
A sharp-snouted little armored catfish with a bold black dorsal spot.
Black Venezuelan Corydoras (Tank-Bred)
FishCorydoras schultzei
A rare, captive-bred cory with deep black coloration and charming schooling behavior.
Black-winged Hatchetfish
FishCarnegiella marthae
A tiny, deep-chested surface dweller that will absolutely find any gap in your lid.
Bleeding-heart Tetra
FishHyphessobrycon erythrostigma
A deep-bodied Amazonian tetra with a vivid red heart marking and feisty male rivalries.
Bleeding Heart Tetra
FishHyphessobrycon pyrrhonotus
The rarest bleeding heart tetra, with a vivid red wedge only it can claim.
Bleeding Heart Tetra
FishHyphessobrycon socolofi
The bleeding heart tetra rewards patient keepers with spectacular male rivalry displays.
Bloch's Catfish
FishPimelodus blochii
A boldly striped rivercat that doubles as an accidental seed disperser in the wild.
Blonde Bulldog Pleco
FishChaetostoma cf thomsoni
The most common rubbernose pleco in the hobby, and endlessly misidentified.
Bloodfin Tetra
FishAphyocharax anisitsi
A hardy, long-lived tetra with vivid red fins and surprising cold tolerance.
Blue Acara
FishAndinoacara pulcher
A forgiving cichlid with real personality, perfect for community tanks with medium-sized fish.