Species
Browsing 1,092 species. Use the filters below to narrow down.
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 Tilapia
FishOreochromis aureus
A cold-tolerant tilapia with surprising hardiness and a calm, active personality.
Blue Velvet Headshield Slug
InvertChelidonura varians
A velvety reef predator that hunts flatworms with surprising efficiency.
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.
Boldingh's Ghostgoby
FishPleurosicya boldinghi
A tiny, transparent goby that spends its whole life clinging to soft corals.
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.
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.
Boulder Brain Coral
CoralColpophyllia natans
A classic Atlantic brain coral that grows into impressive dome-shaped colonies over time.
Bowl Coral
CoralHalomitra pileus
A free-roaming, bowl-shaped coral that grazes soft substrates across the Indo-Pacific.
Boxing Crab
InvertLybia tessellata
The tiny crab that arms itself with living anemones for defense and hunting.
Bracket Coral
CoralPodabacia crustacea
A flat, tiered plate coral that quietly carpets the reef with understated elegance.
Brain Coral
CoralLobophyllia corymbosa
A wide-ranging brain coral that forgives beginner mistakes in the reef tank.
Brazilian Basslet
FishGramma brasiliensis
A cave-dwelling Brazilian basslet that happily swims upside down along rocky ceilings.
Brazilian Seahorse
FishHippocampus reidi
A slow-moving, sociable seahorse with a famously elongated snout built for precision hunting.
Bristlenose Catfish
FishAncistrus macrophthalmus
A compact Venezuelan bushynose with the rare ability to breathe air directly.
Bristlenose Pleco
FishAncistrus dolichopterus
The classic bristlenose pleco, with a face full of tentacles and a big personality.
Bristlenose Pleco
FishAncistrus cirrhosus
The algae-scrubbing catfish with a face only a fishkeeper could love.
Britski's Catfish
FishBrochis britskii
A deep-bodied armored catfish with an unusually tall dorsal fin and peaceful nature.
Britski's Cory
FishCorydoras britskii
A big-dorsal Cory with armored charm, best kept in a lively group.
Broad stripe cory
FishCorydoras duplicareus
A long-lived armored catfish with a bold nape patch and a tricky look-alike
Broken Line
FishDevario xyrops
A lively forest-stream schooler from Myanmar with bold broken-line markings.
Bronze Cory
FishCorydoras aeneus
The beginner-friendly bottom dweller that breathes air and blinks at you.
brown Pacific turban
InvertTurbo brunneus
A compact, hard-working grazer with a classic spiral shell in earthy tones.
Brown Pencilfish
FishNannostomus beckfordi
A hardy little pencilfish that actually forgives beginner mistakes.
Brown Pencilfish
FishNannostomus eques
A pencilfish that swims nose-up and thrives in a well-planted, peaceful tank.
Brown's Betta
FishBetta brownorum
A jewel of the peat swamps, with a glowing green flank spot unlike any other Betta.