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Species

Browsing 1,325 species. Use the filters below to narrow down.

Bengal Mud Eel

Bengal Mud Eel

Fish

Ophisternon bengalense

A burrow-building, air-breathing swamp predator that blurs the line between eel and snake.

Bennett's Pufferfish

Bennett's Pufferfish

Fish

Canthigaster bennetti

A pint-sized puffer with big personality and a surprisingly calm disposition.

Bermuda Blue Angelfish

Bermuda Blue Angelfish

Fish

Holacanthus bermudensis

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

Bichir

Bichir

Fish

Polypterus bichir bichir

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

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.

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

Bigmouth

Bigmouth

Fish

Apistogramma norberti

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

Black Angel

Black Angel

Fish

Pomacanthus arcuatus

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

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.

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.

Blackcap Basslet

Blackcap Basslet

Fish

Gramma melacara

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

Black Catfish

Black Catfish

Fish

Trachycorystes trachycorystes

A hefty South American catfish with unusual reproductive biology and serious presence.

Blackchin Tilapia

Blackchin Tilapia

Fish

Sarotherodon melanotheron melanotheron

A tough West African cichlid where dad handles all the childcare duties.

Black Combtooth Blenny

Black Combtooth Blenny

Fish

Ecsenius namiyei

A sleek, dark blenny that grazes algae from reef rockwork with quiet confidence.

Black Darter Tetra

Black Darter Tetra

Fish

Poecilocharax weitzmani

A cave-guarding micro-predator from blackwater South America with serious attitude.

Black Durgon

Black Durgon

Fish

Melichthys niger

A calm, reef-going triggerfish that's actually safe for community tanks.

Blackear Wrasse

Blackear Wrasse

Fish

Halichoeres poeyi

A bold Atlantic wrasse with a sharp temper for its own kind.

Blackedged Blaasop

Blackedged Blaasop

Fish

Arothron immaculatus

A wide-ranging Indo-Pacific puffer with estuarine roots and a no-nonsense attitude.

Black-finned Triggerfish

Black-finned Triggerfish

Fish

Melichthys indicus

A surprisingly mellow triggerfish that goes easy on its tankmates.

Blackgullet Cichlid

Blackgullet Cichlid

Fish

Thorichthys pasionis

A lesser-known Central American cichlid with bold personality and a distinctive dark throat.

Blackline Apisto

Blackline Apisto

Fish

Apistogramma gibbiceps

A cave-spawning dwarf cichlid from the blackwater rivers of the Amazon basin.

Blackline Rasbora

Blackline Rasbora

Fish

Rasbora borapetensis

A peaceful schooling fish with a vivid red tail that really shines in a group.

Blacklip Butterflyfish

Blacklip Butterflyfish

Fish

Chaetodon kleinii

A wide-ranging butterflyfish that thrives deeper than most of its relatives.