Species
Browsing 958 species. Use the filters below to narrow down.
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.
Blind Cave Loach
FishNemacheilus troglocataractus
A blind, cave-dwelling loach from a single Thai cave system.
Blind Cave Loach
FishSchistura jarutanini
A blind cave loach from Thailand that science knows from just 22 specimens.
Blind Swamp Eel
FishOphisternon infernale
A cave-dwelling, eyeless eel from the underground rivers of the Yucatan.
Bloch's Catfish
FishPimelodus blochii
A boldly striped rivercat that doubles as an accidental seed disperser in the wild.
Blonde Bulldog Pleco
FishChaetostoma cf thomsoni
The most common rubbernose pleco in the hobby, and endlessly misidentified.
Blotched Snakehead
FishChanna maculata
A predatory bruiser that breathes air and guards its young with fierce devotion.
Blue Botia
FishYasuhikotakia modesta
A sociable Mekong loach with vivid fins and a complex social life.
Blue Cory
FishCorydoras nattereri
A long-lived, sociable bottom-dweller that breathes air and blinks at you.
Blue Crayfish
InvertProcambarus alleni
Florida's boldest crustacean, in an almost unreal shade of blue.
Blue-eyed Catfish
FishAmblydoras nauticus
A hardy little catfish that talks in the dark and rarely shows its face by day.
Blue-eye Plec
FishPanaque suttonorum
A wood-rasping Venezuelan plec with vivid blue eyes that glow in the right light.
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 Jaw Triggerfish
FishXanthichthys auromarginatus
A long-lived, manageable trigger that actually leaves your rockwork alone.
Blue Kumu
FishParupeneus cyclostomus
A reef-flat hunter that uses whisker-like barbels to sniff out hidden prey.
Blue Leg Hermit Crab
InvertCalcinus elegans
Vivid blue legs and a big appetite for algae make this hermit a reef workhorse.
Blue Leg Hermit Crab
InvertClibanarius tricolor
A tiny, tireless reef cleaner with vivid blue legs and a big appetite for algae.
Blue-lined Sea Bream
FishSymphorichthys spilurus
A bold reef-associated snapper that grows into a true centerpiece fish.
Blue-lip Anemonefish
FishAmphiprion latezonatus
A rare Australian clownfish with bold white bands and a surprisingly deep blue lip.
Blue Neon Cichlid
FishParacyprichromis nigripinnis
A peaceful Tanganyikan schooler that hangs vertically against rock walls to spawn.
Blue Neon Goby
FishStiphodon atropurpureus
A thumbnail-sized stream goby that grazes biofilm and occasionally vanishes into the sand.
Blue Panda Cichlid
FishApistogramma panduro
A tiny Peruvian cichlid with a bold personality and cave-spawning habits.
Bluespotted Jawfish
FishOpistognathus rosenblatti
A colonial burrower that tucks itself in every night like clockwork.
Bluespotted Lagoon Ray
FishTaeniura lymma
A reef ray that looks incredible but rarely thrives in captivity.
Blue-spotted Mudskipper
FishBoleophthalmus boddarti
A fish that walks on mud and breathes air at the tide's edge.
Blunthead Triggerfish
FishPseudobalistes naufragium
A giant, reef-wrecking curious personality from the Eastern Pacific.
Boeseman's Cory
FishCorydoras boesemani
A tiny armored catfish from Suriname that breathes air and stays rare in the hobby.
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.
Bolivian Whiptail Catfish
FishHemiloricaria beni
A petite Bolivian whiptail catfish with a surprising ability to breathe air.
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.