Species
Browsing 2,796 species. Use the filters below to narrow down.
Blackline Rasbora
FishRasbora borapetensis
A peaceful schooling fish with a vivid red tail that really shines in a group.
Blacklip Butterflyfish
FishChaetodon kleinii
A wide-ranging butterflyfish that thrives deeper than most of its relatives.
Black-lipped Panchax
FishEpiplatys dageti dageti
A hardy, surface-loving killifish that's a perfect gateway into egg-scattering species.
Black Lizard Loach
FishBalitoropsis zollingeri
A flat-bodied stream crawler that hops and clings across rocks like no other loach.
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 Ocellatus
FishLamprologus speciosus
A pint-sized shell-brooding cichlid from Lake Tanganyika with outsized attitude.
Black Paradise Fish
FishMacropodus spechti
A close paradise fish relative that thrives where others struggle.
Black phantom tetra
FishHyphessobrycon megalopterus
Ghost-grey tetras with bold black fins that come alive during male rivalry displays.
Black Rabbit Snail
InvertTylomelania zemis
A slow-moving, long-lived snail that grazes peacefully and breeds one giant baby at a time.
Black Ruby Barb
FishPethia nigrofasciata
A peaceful Sri Lankan barb whose males blush deep crimson when rivals are near.
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 Sharkminnow
FishLabeo chrysophekadion
A dramatically dark, shark-shaped giant that outgrows most home tanks.
Black Snakehead
FishChanna melasoma
A compact, nocturnal predator built for dark, acidic forest streams.
Blackspot Pigmy Wrasse
FishWetmorella nigropinnata
A tiny, secretive reef wrasse that disappears into caves the moment you look away.
Black spot piranha
FishPygocentrus cariba
The Orinoco's apex predator, wrapped in myth and surprisingly manageable alone.
Blackspot Surgeonfish
FishAcanthurus nigrofuscus
A schooling grazer that overwhelms rivals through sheer numbers.
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 Pufferfish
FishArothron nigropunctatus
A bold reef grazer that will rearrange your coral collection without asking.
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.
Blacktail Catfish
FishHemibagrus wyckii
A river giant that sees humans as a threat. And acts on it.
Blacktail Damselfish
FishDascyllus melanurus
Bold black-and-white reef damsels that punch well above their weight class.
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 Triggerfish
FishSufflamen chrysopterum
A hardy, boldly patterned triggerfish with a surprisingly calm disposition for the group.
Black-winged Hatchetfish
FishCarnegiella marthae
A tiny, deep-chested surface dweller that will absolutely find any gap in your lid.
Blastomussa Coral
CoralBlastomussa vivida
Bold colors and forgiving flow needs make this LPS a reef room centerpiece.
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.
Bleher's Rainbowfish
FishChilatherina bleheri
A brilliantly colored rainbowfish from one remote Indonesian lake, worth every bit of effort.
Blind Cave Loach
FishNemacheilus troglocataractus
A blind, cave-dwelling loach from a single Thai cave system.