Species
Browsing 1,134 species. Use the filters below to narrow down.
Blue Crayfish
InvertProcambarus alleni
Florida's boldest crustacean, in an almost unreal shade of blue.
Blue danio
FishDanio kerri
A powder-blue schooling gem from the Malay Peninsula that's rarely seen but easy to keep.
Blue Devil
FishChrysiptera cyanea
Vivid blue and boldly territorial, this tiny fish punches well above its weight.
Blue-eye Cichlid
FishCryptoheros spilurus
A compact Central American cichlid with fierce pair bonds and big personality.
Blue-eyed Tropheus
FishTropheus brichardi
A Lake Tanganyika cichlid that rewards patience with fascinating colony dynamics.
Blue-eye Plec
FishPanaque suttonorum
A wood-rasping Venezuelan plec with vivid blue eyes that glow in the right light.
Blue-finned Triggerfish
FishBalistoides viridescens
The largest triggerfish alive, and it knows it.
Bluegray Mbuna
FishMelanochromis johanni
A Lake Malawi rock-dweller with bold colors and bolder attitude.
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 Linckia Starfish
InvertLinckia laevigata
A vivid blue star from Indo-Pacific reefs, built for the patient reef keeper.
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 Lyretail
FishFundulopanchax gardneri
A jewel-toned killifish that rewards patient keepers with dazzling color and easy spawning.
Blue Mbuna
FishLabeotropheus fuelleborni
A rock-grazing Lake Malawi cichlid with a bold personality and remarkable color diversity.
Bluemouth Cichlid
FishAmphilophus nourissati
A bold Central American cichlid from ancient Mayan river country, built for character.
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.
Blue Ribbon Tetra
FishHyphessobrycon melanostichos
A feisty little tetra that behaves best when kept in numbers
Blue-ringed Angelfish
FishPomacanthus annularis
A large Indo-Pacific angel whose juvenile and adult look like two different fish.
Bluespine Unicornfish
FishNaso unicornis
A true horn-nosed giant that demands a serious reef setup to thrive.
Bluespotted Jawfish
FishOpistognathus rosenblatti
A colonial burrower that tucks itself in every night like clockwork.
Bluestreak Cleaner Wrasse
FishLabroides dimidiatus
The reef's original cleaning service, running a one-fish parasite removal station.
Blue-striped Dottyback
FishPseudochromis springeri
A bold little reef predator wrapped in electric blue and black.
Blue Tang
FishParacanthurus hepatus
The fish that plays dead, then rules the reef with bold personality.
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.
Blunthead Triggerfish
FishPseudobalistes naufragium
A giant, reef-wrecking curious personality from the Eastern Pacific.
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.
Bolivian Cory
FishCorydoras bilineatus
A long-lived Bolivian cory that breathes air and blinks at you.
Bolivian Whiptail Catfish
FishHemiloricaria beni
A petite Bolivian whiptail catfish with a surprising ability to breathe air.
Boomerang Barb
FishDesmopuntius foerschi
A tiny blackwater barb with bold vertical bars and a lively schooling personality.
Bornean Eye-spot Silver Shark
FishLabiobarbus ocellatus
A peaceful schooling cyprinid with a distinctive shoulder spot and shy streak.