Species
Browsing 1,126 species. Use the filters below to narrow down.
Black Moor Goldfish
FishCarassius auratus var. blackmoor
The velvety, telescope-eyed goldfish that turns heads in any pond or tank.
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.
Blackspot Pigmy Wrasse
FishWetmorella nigropinnata
A tiny, secretive reef wrasse that disappears into caves the moment you look away.
Black-spotted Boxfish
FishOstracion cubicus
Adorable cube-shaped reef fish that hides a dangerous chemical defense.
Black Spotted Catfish
FishAuchenoglanis biscutatus
A giant, gentle African catfish that cruises the bottom with calm authority.
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.
Blackstreak Surgeonfish
FishAcanthurus nigricauda
A wide-ranging Indo-Pacific grazer that bucks the typical surgeonfish habitat
Blackstripe Cardinalfish
FishApogon nigrofasciatus
A secretive reef-dweller that comes alive after dark to hunt the rubble.
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 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.
Bleher's Rainbowfish
FishChilatherina bleheri
A brilliantly colored rainbowfish from one remote Indonesian lake, worth every bit of effort.
Bloodfin Tetra
FishAphyocharax anisitsi
A hardy, long-lived tetra with vivid red fins and surprising cold tolerance.
Blue Assessor
FishAssessor macneilli
A cave-dwelling reef basslet that swims upside-down like it owns the place.
Blueback Blue-eye
FishPseudomugil cyanodorsalis
A tiny blue-backed rainbowfish relative from Australia's brackish mangrove creeks.
Blue Banded Barb
FishBarbus fasciolatus
A rarely exported African barb with bold vertical bars and crepuscular habits.
Blueberry Tetra
FishHyphessobrycon wada
A tiny tetra with a purple-blue body and vivid orange fins that deepen with age.
Blue Botia
FishYasuhikotakia modesta
A sociable Mekong loach with vivid fins and a complex social life.
Blue Chromis
FishChromis cyaneus
A cool-blue schooling fish that brings open-water energy to reef tanks.
Blue Chromis
FishChromis cyanea
A cool-blue schooling fish that brings open-water energy to reef tanks.
Blue Cory
FishCorydoras nattereri
A long-lived, sociable bottom-dweller that breathes air and blinks at you.
Blue danio
FishDanio kerri
A powder-blue schooling gem from the Malay Peninsula that's rarely seen but easy to keep.
Blue Diamond Characin
FishAlestopetersius smykalai
A rare West African schooler with a bold diamond marking and fascinating male rivalry displays.
Blue Emperor Tetra
FishInpaichthys kerri
Tiny tetra with big color rivalry. Males glow brightest when competing for attention.
Blue-eyed Catfish
FishAmblydoras nauticus
A hardy little catfish that talks in the dark and rarely shows its face by day.
Blue Flasher-wrasse
FishParacheilinus cyaneus
A reef-dwelling wrasse that sleeps wrapped in its own slime cocoon every night.
Blue-green Chromis
FishChromis viridis
A shimmering, peaceful schooling fish that brings reef lagoons to life in your tank.
Blue Hillstream Trout
FishOpsarius bernatziki
A fast, bold hillstream schooler with vivid blue flank bars and serious attitude.
Blue-lined Rasbora
FishTrigonopoma gracile
A delicate blackwater rasbora with variable color forms from Borneo's forest streams.
Bluelined Wrasse
FishCirrhilabrus lineatus
A lavender-and-pink fairy wrasse that turns heads in any reef tank.
Blueline rasbora
FishRasbora einthovenii
A peaceful forest-stream rasbora with a charmingly crinkled lateral stripe.
Blue Neon Cichlid
FishParacyprichromis nigripinnis
A peaceful Tanganyikan schooler that hangs vertically against rock walls to spawn.