Species
Browsing 614 species. Use the filters below to narrow down.
Blackline Apisto
FishApistogramma gibbiceps
A cave-spawning dwarf cichlid from the blackwater rivers of the Amazon basin.
Black Paradise Fish
FishMacropodus spechti
A close paradise fish relative that thrives where others struggle.
Black Ruby Barb
FishPethia nigrofasciata
A peaceful Sri Lankan barb whose males blush deep crimson when rivals are near.
Blackseam Cichlid
FishApistogramma hongsloi
A compact Colombian dwarf cichlid that pairs up and parents together.
Blackspot Surgeonfish
FishAcanthurus nigrofuscus
A schooling grazer that overwhelms rivals through sheer numbers.
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-throated Eartheater
FishGeophagus brachybranchus
A sand-sifting eartheater with elaborate mouthbrooding parental care and a surprisingly gentle nature.
Black Triggerfish
FishSufflamen chrysopterum
A hardy, boldly patterned triggerfish with a surprisingly calm disposition for the group.
Bleeding-heart Tetra
FishHyphessobrycon erythrostigma
A deep-bodied Amazonian tetra with a vivid red heart marking and feisty male rivalries.
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.
Blue Acara
FishAndinoacara pulcher
A forgiving cichlid with real personality, perfect for community tanks with medium-sized fish.
Bluebanded Angelfish
FishPygoplites diacanthus
One of the reef's most recognizable angels, and one of its trickiest to keep.
Blue-banded Pualu
FishAcanthurus blochii
A long-lived, schooling surgeon with a mood-shifting palette and a blade to match.
Blue Cheek Dwarf Cichlid
FishApistogramma eunotus
A compact Peruvian dwarf cichlid with serious parenting instincts and big personality.
Blue Crayfish
InvertProcambarus alleni
Florida's boldest crustacean, in an almost unreal shade of blue.
Blue-eye Cichlid
FishCryptoheros spilurus
A compact Central American cichlid with fierce pair bonds and big personality.
Bluefin Notho
FishNothobranchius rachovii
A fish that lives fast, dies young, and leaves spectacular eggs behind.
Blue Girdled Angel
FishPomacanthus navarchus
A bold reef resident with one of the most dramatic color transitions in marine fishkeeping.
Bluehead Wrasse
FishThalassoma amblycephalum
A reef-dwelling wrasse with bold color phases and a peaceful community nature.
Blue Jaw Triggerfish
FishXanthichthys auromarginatus
A long-lived, manageable trigger that actually leaves your rockwork alone.
Blue Killi
FishFundulopanchax filamentosus
Ornate West African killifish with flowing fins and a taste for live food.
Blue Kumu
FishParupeneus cyclostomus
A reef-flat hunter that uses whisker-like barbels to sniff out hidden prey.
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 Lyretail
FishFundulopanchax gardneri gardneri
A hardy, colorful killifish that's genuinely beginner-friendly and easy to breed.
Blue Lyretail Killifish
FishAphyosemion gardneri
A brilliantly patterned West African killifish that rewards patient keepers with dazzling color.
Bluemouth Cichlid
FishAmphilophus nourissati
A bold Central American cichlid from ancient Mayan river country, built for character.
Blue Neon Sheatfish
FishKryptopterus apogon
A massive river predator sometimes sold to unsuspecting buyers as a cute juvenile.
Blue Panda Cichlid
FishApistogramma panduro
A tiny Peruvian cichlid with a bold personality and cave-spawning habits.
Blue Perch
FishBadis badis
A color-changing micro-predator that hides, watches, and ambushes with surprising intensity.
Blue Rainbow
FishScarus guacamaia
The largest Atlantic parrotfish, built for reefs but almost impossible to keep captive.
Blue-ringed Angelfish
FishPomacanthus annularis
A large Indo-Pacific angel whose juvenile and adult look like two different fish.
Bluestreak Cleaner Wrasse
FishLabroides dimidiatus
The reef's original cleaning service, running a one-fish parasite removal station.