Species
Browsing 2,796 species. Use the filters below to narrow down.
Blue Tang
FishParacanthurus hepatus
The fish that plays dead, then rules the reef with bold personality.
Blue Tang
FishAcanthurus coeruleus
A bold Atlantic surgeon fish known for cleaning sea turtles in the wild.
Blue Tetra
FishBoehlkea fredcochui
A petite Amazonian schooler that thrives when kept in numbers.
Blue Tetra
FishMimagoniates microlepis
A rare coastal-stream tetra with an unusual internal fertilization strategy.
Blue-throat Trigger
FishXanthichthys mento
A rare triggerfish that schools in the wild and stays manageable in a reef setup.
Blue Tilapia
FishOreochromis aureus
A cold-tolerant tilapia with surprising hardiness and a calm, active personality.
Bluetip Coral
CoralAcropora loripes
A shape-shifting Acropora with soft blue tips that confound cameras.
Blue Velvet Headshield Slug
InvertChelidonura varians
A velvety reef predator that hunts flatworms with surprising efficiency.
Blue Xenia
CoralXenia coerulea
A pulsing soft coral that almost farms itself on the reef wall.
Blunthead Cichlid
FishTropheus moorii
A Lake Tanganyika specialist that rewards experienced keepers with endlessly fascinating colony dynamics.
Blunthead Triggerfish
FishPseudobalistes naufragium
A giant, reef-wrecking curious personality from the Eastern Pacific.
Blushing Star Coral
CoralStephanocoenia intersepta
A demanding Atlantic reef-builder with a subtle rosy flush and tight corallite patterning.
Boesemani Tetra
FishHemigrammus boesemani
A rarely seen French Guiana tetra that rewards patient hunters with peaceful charm.
Boeseman's Cory
FishCorydoras boesemani
A tiny armored catfish from Suriname that breathes air and stays rare in the hobby.
Boeseman's Rainbowfish
FishMelanotaenia boesemani
Two fish in one body: bold orange rear, cool blue-grey front.
Boga Labeo
FishLabeo boga
A large, shark-like cyprinid that outgrows most home aquariums.
Boldingh's Ghostgoby
FishPleurosicya boldinghi
A tiny, transparent goby that spends its whole life clinging to soft corals.
Bolivia Cichlid
FishCichlasoma boliviense
A compact South American cichlid that punches above its weight in personality.
Bolivian Cory
FishCorydoras bilineatus
A long-lived Bolivian cory that breathes air and blinks at you.
Bolivian Ram
FishMikrogeophagus altispinosus
The hardier, more forgiving cousin of the popular ram cichlid.
Bolivian thorny catfish
FishTrachydoras steindachneri
A seldom-seen Amazonian thorny catfish that plays well with smaller tankmates.
Bonsai Bamboo Coral
CoralAcanella arbuscula
A deep-sea bamboo coral with a detailed, bonsai-like branching structure.
Boomerang Barb
FishDesmopuntius foerschi
A tiny blackwater barb with bold vertical bars and a lively schooling personality.
Bornean Rasbora
FishRasbora sarawakensis
A tiny, peaceful Bornean rasbora that's rarely seen but well worth seeking out.
Borneo Loach
FishPangio shelfordii
A patterned eel-loach from Borneo's blackwater forests, with surprising personality for its size.
Borneo Sucker
FishGastromyzon ctenocephalus
A tiny Bornean hillstream crawler with iridescent blue fins and bold spotted patterns.
Borneo Sucker
FishGastromyzon farragus
A tiny Bornean stream-clinger with a vivid red tail and bold territorial streaks.
Borneo Sucker
FishGastromyzon stellatus
A boldly spotted Bornean stream crawler that grazes rocks like a tiny vacuum.
Boschma's Mushroom Coral
CoralCycloseris boschmai
A tiny free-living mushroom coral with a mosaic of mottled colors.
Bottlebrush Branching Coral
CoralAcropora subglabra
A wild-looking thicket coral where only the branch tips stay alive.
Bottle-brush Coral
CoralMuriceopsis flavida
A bushy Western Atlantic sea plume that's surprisingly forgiving for new reef keepers.
Bottlebrush Coral
CoralAcropora elseyi
A fir-tree shaped Acropora with tiered bottlebrush branches and a demanding care profile.
Boulder Brain Coral
CoralColpophyllia natans
A classic Atlantic brain coral that grows into impressive dome-shaped colonies over time.
Boulder Star Coral
CoralOrbicella faveolata
A reef-building heavyweight that has shaped Caribbean reefs for millennia.
Bowl Coral
CoralHalomitra clavator
A free-living dome coral that sits loose on the sandbed and stays manageable for beginners.
Bowl Coral
CoralHalomitra pileus
A free-roaming, bowl-shaped coral that grazes soft substrates across the Indo-Pacific.