Species
Browsing 1,789 species. Use the filters below to narrow down.
Black Combtooth Blenny
FishEcsenius namiyei
A sleek, dark blenny that grazes algae from reef rockwork with quiet confidence.
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.
Blackear Wrasse
FishHalichoeres poeyi
A bold Atlantic wrasse with a sharp temper for its own kind.
Blackedged Blaasop
FishArothron immaculatus
A wide-ranging Indo-Pacific puffer with estuarine roots and a no-nonsense attitude.
Black-edged Moray
InvertGymnothorax melanopterus
A moray with bold fin markings from the cool northern seas.
Black-finned Triggerfish
FishMelichthys indicus
A surprisingly mellow triggerfish that goes easy on its tankmates.
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 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 Neon Tetra
FishHyphessobrycon herbertaxelrodi
A boldly patterned schooling fish that thrives in a lively community setup.
Blacknose Butterfly Barb
FishBarbus candens
A tiny Congo rarity that rewards patient keepers with delicate charm.
Black Ocellatus
FishLamprologus speciosus
A pint-sized shell-brooding cichlid from Lake Tanganyika with outsized attitude.
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 Sharkminnow
FishLabeo chrysophekadion
A dramatically dark, shark-shaped giant that outgrows most home tanks.
Blackspot Pigmy Wrasse
FishWetmorella nigropinnata
A tiny, secretive reef wrasse that disappears into caves the moment you look away.
Blackspot Surgeonfish
FishAcanthurus nigrofuscus
A schooling grazer that overwhelms rivals through sheer numbers.
Black-spotted Corydoras
FishCorydoras melanistius
A sociable little armored catfish that thrives in groups and lives surprisingly long.
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.
Black Sun Coral
CoralTubastraea micranthus
A dramatic non-photosynthetic coral that rewards patient, dedicated feeding.
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 Triggerfish
FishSufflamen chrysopterum
A hardy, boldly patterned triggerfish with a surprisingly calm disposition for the group.
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.
Bleher's Rainbowfish
FishChilatherina bleheri
A brilliantly colored rainbowfish from one remote Indonesian lake, worth every bit of effort.
Blind Swamp Eel
FishOphisternon infernale
A cave-dwelling, eyeless eel from the underground rivers of the Yucatan.
Blister Coral
CoralHorastrea indica
A rare dome-shaped coral with ghostly blue-grey discs from the Indian Ocean.
Bloch's Catfish
FishPimelodus blochii
A boldly striped rivercat that doubles as an accidental seed disperser in the wild.