The Americas
From the Amazon's blackwater basins to Caribbean reefs — the Americas hold the most popular freshwater biotopes and a wealth of Atlantic and Pacific saltwater life.
1,013 species
Sub-regions
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 Bellied Limia
FishLimia melanogaster
A rarely seen Caribbean livebearer with bold dark coloring and lively personality.
Blackbelt Cichlid
FishVieja maculicauda
A bold, brawny Central American cichlid with a namesake black band and real attitude.
Black Boxfish
FishOstracion meleagris
A living mosaic of spots with a secret chemical defense you need to know about.
Blackcap Basslet
FishGramma melacara
A deep-reef beauty that swims upside-down along underwater cliff faces.
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 Durgon
FishMelichthys niger
A calm, reef-going triggerfish that's actually safe for community tanks.
Black-ear Pacu
FishMyleus schomburgkii
A disc-shaped, plant-munching pacu with a bold black flank bar and surprisingly peaceful nature.
Blackear Wrasse
FishHalichoeres poeyi
A bold Atlantic wrasse with a sharp temper for its own kind.
Black Ghost
FishApteronotus albifrons
A velvety black, ribbon-finned predator that navigates by its own electric field.
Blackgullet Cichlid
FishThorichthys pasionis
A lesser-known Central American cichlid with bold personality and a distinctive dark throat.
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 Sea Rod
CoralPlexaura homomalla
A tall, branching sea rod famous for its remarkable prostaglandin chemistry.
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.
Blackspotted Toothcarp
FishPhallichthys tico
A tiny, peaceful livebearer from Costa Rica's murky highland streams.
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.
Bladder Snail
InvertPhysella acuta
The unstoppable little snail that thrives where others fail.
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.
Blind Swamp Eel
FishOphisternon infernale
A cave-dwelling, eyeless eel from the underground rivers of the Yucatan.
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.