๐ Schooling fish
Species that need the company of their own kind to thrive. Kept in appropriate groups, schooling fish produce some of the most mesmerizing displays in the hobby.
797 species
Banded Rainbowfish
FishMelanotaenia trifasciata
A dazzling Australian native whose true colors take patience to reveal.
Banded Silver Dollar
FishMetynnis hypsauchen fasciatus
A silver dollar relative with bold barring that makes it stand out in the group.
Banded Tiger Loach
FishSyncrossus helodes
A bold, large loach that needs space, company, and an owner who means business.
Banded Unicornfish
FishNaso annulatus
A genuinely massive unicornfish that schools on outer reef walls across the Indo-Pacific.
Bandit Cory
FishCorydoras metae
The bandit-masked cory with a longer lifespan than most fishkeepers expect.
Bannerfish
FishHeniochus diphreutes
The Moorish Idol lookalike that actually thrives in aquariums
Bannertail Cory
FishCorydoras robineae
The bannertail cory: bold markings, fascinating air-gulping behavior, and surprising longevity.
Barberfish
FishJohnrandallia nigrirostris
A schooling butterflyfish that moonlights as a cleaner fish on Pacific reefs.
Barna Baril
FishOpsarius barna
A bold, fast-moving hill stream schooler that needs equally spirited tankmates.
Barred Danio
FishDevario pathirana
A rare Sri Lankan danio with bold vertical bars and a lively, boisterous personality.
Barred Loach
FishNemacheilus fasciatus
A neatly patterned stream loach from the cool highlands of Sumatra and Java.
Barred Loach
FishSyncrossus beauforti
A boldly patterned, boisterous loach that demands space and respectful tankmates.
Barred Spinefoot
FishSiganus doliatus
A reef grazer that pairs up young and carries venomous spines as backup.
Bartlett's Anthias
FishPseudanthias bartlettorum
A sociable reef fish that thrives in groups and brings constant mid-water activity.
Batanta Blue Rainbowfish
FishMelanotaenia synergos
A compact, clear-water rainbowfish from Batanta Island's pristine forest rivers.
Batasio
FishBatasio tigrinus
A compact Thai catfish with bold tiger patterning and feisty personality.
Batik Loach
FishMesonoemacheilus triangularis
A boldly patterned Indian hillstream loach with a famously unpredictable temper.
Beardless Barb
FishCyclocheilichthys apogon
A schooling barb built for large, lively communities. No barbels, plenty of personality.
Beautiful Scaled Characin
FishCopella nattereri
A subtly patterned characin with fascinating competitive courtship behavior.
Belgian Flag Tetra
FishHyphessobrycon heterorhabdus
A tricolor tetra named for its flag-like red, yellow, and black striping.
Bengal Danio
FishDevario devario
A bold, wide-ranging danio that rewards keepers who give it room to school properly.
Bicolor chromis
FishChromis margaritifer
A boldly two-toned reef damselfish that holds its own in a community tank.
Big-eyed Cachorro
FishAcestrorhynchus falcirostris
A riverine ambush predator that plays surprisingly well with tankmates it can't eat.
Big-nose Unicornfish
FishNaso vlamingii
A color-shifting open-water unicornfish that needs serious space to roam.
Black-axil Chromis
FishChromis atripectoralis
A schooling reef damsel that actually plays nice with its tankmates.
Blackband Copella
FishCopella callolepis
A tiny Amazonian schooler that rewards patience with vivid courtship displays.
Blackbanded Pyrrhulina
FishCopella nigrofasciata
A dapper little Amazonian splasher with devoted fathering instincts.
Black Darter Tetra
FishPoecilocharax weitzmani
A cave-guarding micro-predator from blackwater South America with serious attitude.
Black-ear Pacu
FishMyleus schomburgkii
A disc-shaped, plant-munching pacu with a bold black flank bar and surprisingly peaceful nature.
Black Fin Barb
FishPethia nigripinnis
A cool-water gem from India's Western Ghats, rarely seen outside specialist collections.
Black Kuhli Loach
FishPangio oblonga
A slender, uniformly dark loach that loves company and hides in plain sight.
Black-lined Loach
FishAmbastaia nigrolineata
A rare, sociable loach with bold racing stripes and fascinating group behaviors.
Blackline Penguinfish
FishThayeria boehlkei
The tetra that swims nose-up and wears a bold racing stripe to its tail.
Blackline Rasbora
FishRasbora borapetensis
A peaceful schooling fish with a vivid red tail that really shines in a group.
Black Lizard Loach
FishBalitoropsis zollingeri
A flat-bodied stream crawler that hops and clings across rocks like no other loach.
Black Neon Tetra
FishHyphessobrycon herbertaxelrodi
A boldly patterned schooling fish that thrives in a lively community setup.