Aquariumpro
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RegionFreshwaterSaltwaterBrackish

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

Blackband Copella

Blackband Copella

Fish

Copella callolepis

A tiny Amazonian schooler that rewards patience with vivid courtship displays.

Black-banded Headstander
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Black-banded Headstander

Fish

Laemolyta orinocensis

A sleek, banded Orinoco native that tilts head-down as it forages.

Blackbanded Pyrrhulina
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Blackbanded Pyrrhulina

Fish

Copella nigrofasciata

A dapper little Amazonian splasher with devoted fathering instincts.

Black Bellied Limia

Black Bellied Limia

Fish

Limia melanogaster

A rarely seen Caribbean livebearer with bold dark coloring and lively personality.

Blackbelt Cichlid

Blackbelt Cichlid

Fish

Vieja maculicauda

A bold, brawny Central American cichlid with a namesake black band and real attitude.

Black Boxfish

Black Boxfish

Fish

Ostracion meleagris

A living mosaic of spots with a secret chemical defense you need to know about.

Blackcap Basslet

Blackcap Basslet

Fish

Gramma melacara

A deep-reef beauty that swims upside-down along underwater cliff faces.

Black Catfish
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Black Catfish

Fish

Trachycorystes trachycorystes

A hefty South American catfish with unusual reproductive biology and serious presence.

Black Darter Tetra

Black Darter Tetra

Fish

Poecilocharax weitzmani

A cave-guarding micro-predator from blackwater South America with serious attitude.

Black Durgon

Black Durgon

Fish

Melichthys niger

A calm, reef-going triggerfish that's actually safe for community tanks.

Black-ear Pacu

Black-ear Pacu

Fish

Myleus schomburgkii

A disc-shaped, plant-munching pacu with a bold black flank bar and surprisingly peaceful nature.

Blackear Wrasse

Blackear Wrasse

Fish

Halichoeres poeyi

A bold Atlantic wrasse with a sharp temper for its own kind.

Black Ghost

Black Ghost

Fish

Apteronotus albifrons

A velvety black, ribbon-finned predator that navigates by its own electric field.

Blackgullet Cichlid
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Blackgullet Cichlid

Fish

Thorichthys pasionis

A lesser-known Central American cichlid with bold personality and a distinctive dark throat.

Blackline Apisto
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Blackline Apisto

Fish

Apistogramma gibbiceps

A cave-spawning dwarf cichlid from the blackwater rivers of the Amazon basin.

Blackline Penguinfish

Blackline Penguinfish

Fish

Thayeria boehlkei

The tetra that swims nose-up and wears a bold racing stripe to its tail.

Black Neon Tetra

Black Neon Tetra

Fish

Hyphessobrycon herbertaxelrodi

A boldly patterned schooling fish that thrives in a lively community setup.

Black phantom tetra

Black phantom tetra

Fish

Hyphessobrycon megalopterus

Ghost-grey tetras with bold black fins that come alive during male rivalry displays.

Blackseam Cichlid

Blackseam Cichlid

Fish

Apistogramma hongsloi

A compact Colombian dwarf cichlid that pairs up and parents together.

Black Sea Rod

Black Sea Rod

Coral

Plexaura homomalla

A tall, branching sea rod famous for its remarkable prostaglandin chemistry.

Black spot piranha

Black spot piranha

Fish

Pygocentrus cariba

The Orinoco's apex predator, wrapped in myth and surprisingly manageable alone.

Black-spotted Corydoras

Black-spotted Corydoras

Fish

Corydoras melanistius

A sociable little armored catfish that thrives in groups and lives surprisingly long.

Blackspotted Toothcarp
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Blackspotted Toothcarp

Fish

Phallichthys tico

A tiny, peaceful livebearer from Costa Rica's murky highland streams.

Black Tetra

Black Tetra

Fish

Gymnocorymbus ternetzi

A classic community tetra whose dark skirt stands out against brighter tankmates.

Black-throated Eartheater
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Black-throated Eartheater

Fish

Geophagus brachybranchus

A sand-sifting eartheater with elaborate mouthbrooding parental care and a surprisingly gentle nature.

Blacktop Catfish
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Blacktop Catfish

Fish

Corydoras acutus

A sharp-snouted little armored catfish with a bold black dorsal spot.

Black Venezuelan Corydoras (Tank-Bred)

Black Venezuelan Corydoras (Tank-Bred)

Fish

Corydoras schultzei

A rare, captive-bred cory with deep black coloration and charming schooling behavior.

Black-winged Hatchetfish

Black-winged Hatchetfish

Fish

Carnegiella marthae

A tiny, deep-chested surface dweller that will absolutely find any gap in your lid.

Bladder Snail

Bladder Snail

Invert

Physella acuta

The unstoppable little snail that thrives where others fail.

Bleeding-heart Tetra

Bleeding-heart Tetra

Fish

Hyphessobrycon erythrostigma

A deep-bodied Amazonian tetra with a vivid red heart marking and feisty male rivalries.

Bleeding Heart Tetra

Bleeding Heart Tetra

Fish

Hyphessobrycon pyrrhonotus

The rarest bleeding heart tetra, with a vivid red wedge only it can claim.

Bleeding Heart Tetra
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Bleeding Heart Tetra

Fish

Hyphessobrycon socolofi

The bleeding heart tetra rewards patient keepers with spectacular male rivalry displays.

Blind Swamp Eel

Blind Swamp Eel

Fish

Ophisternon infernale

A cave-dwelling, eyeless eel from the underground rivers of the Yucatan.

Bloch's Catfish
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Bloch's Catfish

Fish

Pimelodus blochii

A boldly striped rivercat that doubles as an accidental seed disperser in the wild.

Blonde Bulldog Pleco
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Blonde Bulldog Pleco

Fish

Chaetostoma cf thomsoni

The most common rubbernose pleco in the hobby, and endlessly misidentified.

Bloodfin Tetra

Bloodfin Tetra

Fish

Aphyocharax anisitsi

A hardy, long-lived tetra with vivid red fins and surprising cold tolerance.