Species
Browsing 933 species. Use the filters below to narrow down.
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.
Bearded Cory
FishScleromystax barbatus
The giant of the cory world, with a beard and a serious attitude to match.
Bearded Wormgoby
FishTaenioides cirratus
A snake-like burrowing goby with whiskery barbels and surprising air-breathing ability.
belted rockclimbing goby
FishSicyopus zosterophorum
A nimble reef goby that uses modified fins to cling to surge-swept rocks.
Belted Rockclimbing Goby
FishSicyopus zosterophorus
A tiny goby built for life on wet rocks in fast-flowing jungle streams.
Bengal Mud Eel
FishOphisternon bengalense
A burrow-building, air-breathing swamp predator that blurs the line between eel and snake.
Berney's Catfish
FishNeoarius berneyi
A wide-ranging Australian catfish that thrives in murky, slow-moving water.
Bichir
FishPolypterus bichir bichir
A living fossil that breathes air and hunts by smell alone.
Bicolor Blenny
FishEcsenius bicolor
A boldly two-toned reef blenny that claims every hole as its own.
Bigeye Cichlid
FishAcaronia nassa
A wide-eyed Amazonian ambush predator that makes the most of its stillness.
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
Blackbarred Reefgoby
FishPriolepis nocturna
A tiny crevice-dweller that disappears into the reef and rarely comes out.
Black Catfish
FishTrachycorystes trachycorystes
A hefty South American catfish with unusual reproductive biology and serious presence.
Black Combtooth Blenny
FishEcsenius namiyei
A sleek, dark blenny that grazes algae from reef rockwork with quiet confidence.
Black Durgon
FishMelichthys niger
A calm, reef-going triggerfish that's actually safe for community tanks.
Blackedged Blaasop
FishArothron immaculatus
A wide-ranging Indo-Pacific puffer with estuarine roots and a no-nonsense attitude.
Blackfin Coral Goby
FishParagobiodon lacunicolus
A tiny goby that spends its entire life tucked inside a single coral colony.
Blackgullet Cichlid
FishThorichthys pasionis
A lesser-known Central American cichlid with bold personality and a distinctive dark throat.
Black Kuhli Loach
FishPangio oblonga
A slender, uniformly dark loach that loves company and hides in plain sight.
Black Lancer
FishBagrichthys hypselopterus
A deep-river Asian catfish with an impressively tall dorsal fin and bold personality.
Black-lined Loach
FishAmbastaia nigrolineata
A rare, sociable loach with bold racing stripes and fascinating group behaviors.
Black Lizard Loach
FishBalitoropsis zollingeri
A flat-bodied stream crawler that hops and clings across rocks like no other loach.
Black Ocellatus
FishLamprologus speciosus
A pint-sized shell-brooding cichlid from Lake Tanganyika with outsized attitude.
Blackseam Cichlid
FishApistogramma hongsloi
A compact Colombian dwarf cichlid that pairs up and parents together.
Black Snakehead
FishChanna melasoma
A compact, nocturnal predator built for dark, acidic forest streams.
Blackspot Surgeonfish
FishAcanthurus nigrofuscus
A schooling grazer that overwhelms rivals through sheer numbers.
Black Spotted Catfish
FishAuchenoglanis biscutatus
A giant, gentle African catfish that cruises the bottom with calm authority.
Black-spotted Corydoras
FishCorydoras melanistius
A sociable little armored catfish that thrives in groups and lives surprisingly long.
Blackstreak Surgeonfish
FishAcanthurus nigricauda
A wide-ranging Indo-Pacific grazer that bucks the typical surgeonfish habitat
Blacktail Catfish
FishHemibagrus wyckii
A river giant that sees humans as a threat. And acts on it.
Black-throated Eartheater
FishGeophagus brachybranchus
A sand-sifting eartheater with elaborate mouthbrooding parental care and a surprisingly gentle nature.
Blacktop Catfish
FishCorydoras acutus
A sharp-snouted little armored catfish with a bold black dorsal spot.
Black Venezuelan Corydoras (Tank-Bred)
FishCorydoras schultzei
A rare, captive-bred cory with deep black coloration and charming schooling behavior.
Blind Cave Loach
FishNemacheilus troglocataractus
A blind, cave-dwelling loach from a single Thai cave system.