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Species

Browsing 3,374 species. Use the filters below to narrow down.

Bermuda Blue Angelfish

Bermuda Blue Angelfish

Fish

Holacanthus bermudensis

A bold Atlantic angel that grows into a true reef monarch with attitude to match.

Berney's Catfish

Berney's Catfish

Fish

Neoarius berneyi

A wide-ranging Australian catfish that thrives in murky, slow-moving water.

Betta

Betta

Fish

Betta splendens

The world's most recognizable fighting fish, now bred in countless colors and fin shapes.

Biara

Biara

Fish

Rhaphiodon vulpinus

A sleek South American predator that outgrows almost every home aquarium.

Bichir

Bichir

Fish

Polypterus bichir bichir

A living fossil that breathes air and hunts by smell alone.

Bicolor Angelfish

Bicolor Angelfish

Fish

Centropyge bicolor

A boldly two-toned dwarf angel that darts and hides across the reef.

Bicolor Blenny

Bicolor Blenny

Fish

Ecsenius bicolor

A boldly two-toned reef blenny that claims every hole as its own.

Bicolor chromis

Bicolor chromis

Fish

Chromis margaritifer

A boldly two-toned reef damselfish that holds its own in a community tank.

Bicolor Dottyback

Bicolor Dottyback

Fish

Pseudochromis paccagnella

Tiny, colorful, and surprisingly fierce. A pocket-sized bully for the reef tank.

Bicolored Foxface

Bicolored Foxface

Fish

Siganus uspi

A bold Fijian reef fish with a dramatic two-tone pattern and venomous spines.

Bigeye Cichlid

Bigeye Cichlid

Fish

Acaronia nassa

A wide-eyed Amazonian ambush predator that makes the most of its stillness.

Big-eyed Cachorro

Big-eyed Cachorro

Fish

Acestrorhynchus falcirostris

A riverine ambush predator that plays surprisingly well with tankmates it can't eat.

Bigeye Squeaker

Bigeye Squeaker

Fish

Synodontis alberti

The Synodontis with the longest barbels and biggest eyes in the genus.

Bigeye Xenotilapia

Bigeye Xenotilapia

Fish

Xenotilapia sima

A sand-sifting Tanganyikan schooler that rarely turns up in the hobby

Bighead Pupfish

Bighead Pupfish

Fish

Cyprinodon pachycephalus

A rare Mexican pupfish with a notably broad head and a challenging side.

Bigmouth

Bigmouth

Fish

Apistogramma norberti

A pocket-sized Peruvian cichlid with a big personality and cave-spawning habits.

Big-nose Unicornfish

Big-nose Unicornfish

Fish

Naso vlamingii

A color-shifting open-water unicornfish that needs serious space to roam.

Birdsnest Coral

Birdsnest Coral

Coral

Pocillopora tuahiniensis

A newly described Pacific birdsnest coral with branching architecture straight from French Polynesia.

Birdsnest Coral

Birdsnest Coral

Coral

Seriatopora caliendrum

Delicate branching coral that rewards patient reefers with a wild, bushy silhouette.

Birdsnest Coral

Birdsnest Coral

Coral

Seriatopora lineata

A delicate branching coral that rewards attentive reefers with detailed, fine-tipped growth.

Bird's Nest Coral

Bird's Nest Coral

Coral

Seriatopora octoptera

A tightly branched finger coral that rewards attentive reefers with detailed structure.

Black Angel

Black Angel

Fish

Pomacanthus arcuatus

A large, sociable Atlantic angel that juveniles moonlight as reef cleaning stations.

Black Arowana

Black Arowana

Fish

Osteoglossum ferreirai

A surface-cruising river predator that leaps for prey in the wild.

Black-axil Chromis

Black-axil Chromis

Fish

Chromis atripectoralis

A schooling reef damsel that actually plays nice with its tankmates.

Blackbacked Butterflyfish

Blackbacked Butterflyfish

Fish

Chaetodon melannotus

A boldly patterned reef butterfly with a strong preference for live coral.

Blackband Copella

Blackband Copella

Fish

Copella callolepis

A tiny Amazonian schooler that rewards patience with vivid courtship displays.

Black-banded Headstander

Black-banded Headstander

Fish

Laemolyta orinocensis

A sleek, banded Orinoco native that tilts head-down as it forages.

Blackbanded Pyrrhulina

Blackbanded Pyrrhulina

Fish

Copella nigrofasciata

A dapper little Amazonian splasher with devoted fathering instincts.

Black-banded Triggerfish

Black-banded Triggerfish

Fish

Rhinecanthus rectangulus

A bold reef rearanger that treats your aquascape as a personal renovation project.

Blackbarred Reefgoby

Blackbarred Reefgoby

Fish

Priolepis nocturna

A tiny crevice-dweller that disappears into the reef and rarely comes out.

Black Bellied Limia

Black Bellied Limia

Fish

Limia melanogaster

A rarely seen Caribbean livebearer with bold dark coloring and lively personality.

Blackbelt Cichlid

Blackbelt Cichlid

Fish

Vieja maculicauda

A bold, brawny Central American cichlid with a namesake black band and real attitude.

Black-belt hogfish

Black-belt hogfish

Fish

Bodianus mesothorax

A boldly two-toned wrasse with a sharp contrast that practically splits it in half.

Black-blotch Triggerfish

Black-blotch Triggerfish

Fish

Rhinecanthus verrucosus

A Picasso-patterned triggerfish that prefers retreat over confrontation.

Black Boxfish

Black Boxfish

Fish

Ostracion meleagris

A living mosaic of spots with a secret chemical defense you need to know about.

Blackcap Basslet

Blackcap Basslet

Fish

Gramma melacara

A deep-reef beauty that swims upside-down along underwater cliff faces.