Species
Browsing 3,374 species. Use the filters below to narrow down.
Bermuda Blue Angelfish
FishHolacanthus bermudensis
A bold Atlantic angel that grows into a true reef monarch with attitude to match.
Berney's Catfish
FishNeoarius berneyi
A wide-ranging Australian catfish that thrives in murky, slow-moving water.
Betta
FishBetta splendens
The world's most recognizable fighting fish, now bred in countless colors and fin shapes.
Biara
FishRhaphiodon vulpinus
A sleek South American predator that outgrows almost every home aquarium.
Bichir
FishPolypterus bichir bichir
A living fossil that breathes air and hunts by smell alone.
Bicolor Angelfish
FishCentropyge bicolor
A boldly two-toned dwarf angel that darts and hides across the reef.
Bicolor Blenny
FishEcsenius bicolor
A boldly two-toned reef blenny that claims every hole as its own.
Bicolor chromis
FishChromis margaritifer
A boldly two-toned reef damselfish that holds its own in a community tank.
Bicolor Dottyback
FishPseudochromis paccagnella
Tiny, colorful, and surprisingly fierce. A pocket-sized bully for the reef tank.
Bicolored Foxface
FishSiganus uspi
A bold Fijian reef fish with a dramatic two-tone pattern and venomous spines.
Bigeye Cichlid
FishAcaronia nassa
A wide-eyed Amazonian ambush predator that makes the most of its stillness.
Big-eyed Cachorro
FishAcestrorhynchus falcirostris
A riverine ambush predator that plays surprisingly well with tankmates it can't eat.
Bigeye Squeaker
FishSynodontis alberti
The Synodontis with the longest barbels and biggest eyes in the genus.
Bigeye Xenotilapia
FishXenotilapia sima
A sand-sifting Tanganyikan schooler that rarely turns up in the hobby
Bighead Pupfish
FishCyprinodon pachycephalus
A rare Mexican pupfish with a notably broad head and a challenging side.
Bigmouth
FishApistogramma norberti
A pocket-sized Peruvian cichlid with a big personality and cave-spawning habits.
Big-nose Unicornfish
FishNaso vlamingii
A color-shifting open-water unicornfish that needs serious space to roam.
Birdsnest Coral
CoralPocillopora tuahiniensis
A newly described Pacific birdsnest coral with branching architecture straight from French Polynesia.
Birdsnest Coral
CoralSeriatopora caliendrum
Delicate branching coral that rewards patient reefers with a wild, bushy silhouette.
Birdsnest Coral
CoralSeriatopora lineata
A delicate branching coral that rewards attentive reefers with detailed, fine-tipped growth.
Bird's Nest Coral
CoralSeriatopora octoptera
A tightly branched finger coral that rewards attentive reefers with detailed structure.
Black Angel
FishPomacanthus arcuatus
A large, sociable Atlantic angel that juveniles moonlight as reef cleaning stations.
Black Arowana
FishOsteoglossum ferreirai
A surface-cruising river predator that leaps for prey in the wild.
Black-axil Chromis
FishChromis atripectoralis
A schooling reef damsel that actually plays nice with its tankmates.
Blackbacked Butterflyfish
FishChaetodon melannotus
A boldly patterned reef butterfly with a strong preference for live coral.
Blackband Copella
FishCopella callolepis
A tiny Amazonian schooler that rewards patience with vivid courtship displays.
Black-banded Headstander
FishLaemolyta orinocensis
A sleek, banded Orinoco native that tilts head-down as it forages.
Blackbanded Pyrrhulina
FishCopella nigrofasciata
A dapper little Amazonian splasher with devoted fathering instincts.
Black-banded Triggerfish
FishRhinecanthus rectangulus
A bold reef rearanger that treats your aquascape as a personal renovation project.
Blackbarred Reefgoby
FishPriolepis nocturna
A tiny crevice-dweller that disappears into the reef and rarely comes out.
Black Bellied Limia
FishLimia melanogaster
A rarely seen Caribbean livebearer with bold dark coloring and lively personality.
Blackbelt Cichlid
FishVieja maculicauda
A bold, brawny Central American cichlid with a namesake black band and real attitude.
Black-belt hogfish
FishBodianus mesothorax
A boldly two-toned wrasse with a sharp contrast that practically splits it in half.
Black-blotch Triggerfish
FishRhinecanthus verrucosus
A Picasso-patterned triggerfish that prefers retreat over confrontation.
Black Boxfish
FishOstracion meleagris
A living mosaic of spots with a secret chemical defense you need to know about.
Blackcap Basslet
FishGramma melacara
A deep-reef beauty that swims upside-down along underwater cliff faces.