Species
Browsing 934 species. Use the filters below to narrow down.
Olga
FishCorydoras simulatus
A rarely documented Colombian cory with a color pattern that keeps even experts guessing.
Olive danio
FishDanio dangila
A large, active danio with impressively long barbels and a rarely seen wild side.
Oneline Tetra
FishNannaethiops unitaeniatus
A peaceful little African schooler that deserves far more attention than it gets.
One-spot Eartheater
FishSatanoperca lilith
A rarely traded eartheater with a single bold flank spot and surprising social depth.
Onespot Squeaker
FishSynodontis notata
A daytime-active catfish with a bold personality to match its bold spot.
Opsarius ardens
FishBarilius ardens
A fast-moving Western Ghats minnow that needs space, speed, and bold companions.
Opsarius malabaricus
FishBarilius malabaricus
A fast, bold river minnow from India's Western Ghats that needs room to move.
Oranda Goldfish
FishCarassius auratus var. oranda
The velvet-capped fancy goldfish that rewards patient, attentive keeping.
Orange dwarf toothcarp
FishNeoheterandria elegans
A tiny Colombian livebearer with a fascinating near-mammalian reproductive twist.
Orangefin Tetra
FishBryconops affinis
A restless, fast-moving shoaler from the Guiana Shield's coastal streams.
Orinoco
FishAndinoacara sp. "Orinoco"
A mellow Orinoco cichlid that pairs easily and rewards patient breeders.
Orinoco Eartheater
FishBiotodoma wavrini
A slender eartheater that thrives in groups and rewards patient, experienced keepers.
Orinoco Tetra
FishHemigrammus barrigonae
A rare Orinoco tetra that rewards patient keepers willing to seek it out.
Ornate Corydoras
FishCorydoras ornatus
A long-lived Tapajós bottom-dweller that thrives in sociable, peaceful groups.
Oscar
FishAstronotus ocellatus
The cichlid that recognizes your face and rearranges its own tank.
Otocinclus Catfish (Tank-Bred)
FishOtocinclus macrospilus
The most commonly sold oto, fragile at first but rewarding once settled.
Oyapock Cory
FishCorydoras condiscipulus
A long-lived Oyapock armored catfish that breathes air and blinks its eyes.
Pacific Molly
FishPoecilia butleri
A personable little livebearer that grazes algae and practically eats from your hand.
Pacu
FishPiaractus mesopotamicus
A seed-crunching giant from South American floodplains that outgrows almost any home aquarium.
Palauan Riffle Goby
FishStiphodon pelewensis
A tiny riffle-dweller that vanishes into the sand when startled.
Palespotted Corydoras
FishCorydoras gossei
A long-lived, peaceful bottom dweller that breathes air and blinks its eyes.
Panamanian Eartheater
FishGeophagus crassilabris
A rare Panamanian cichlid with a reddish glow and fascinating sand-sifting habits.
Panda Barb
FishHaludaria melanampyx
A lively hill-stream barb from India's Western Ghats with a two-tone shimmer.
Panda Cory
FishCorydoras panda
The panda-patterned cory that's as personable as it is peaceful.
Panda Garra
FishGarra flavatra
A boldly patterned Burmese stream fish that's part algae grazer, part personality.
Panda Uaru
FishUaru fernandezyepezi
A rare Orinoco cichlid that few hobbyists ever get to keep.
Pangio Loach
FishPangio pangia
A slender, burrowing loach from South Asian slow waters, peaceful and endlessly curious.
Pangusia Labeo
FishLabeo pangusia
A large, fast-water river fish that earns its keep as an algae grazer.
Panther Loach
FishAcanthocobitis pavonacea
A boldly patterned loach from northeast India that rarely appears in the trade.
Papuan Rainbowfish
FishMelanotaenia papuae
A compact rainbowfish from Port Moresby's jungle streams, peaceful and full of personality.
Parkinson's Rainbowfish
FishMelanotaenia parkinsoni
A Papua New Guinea gem that rewards patient keepers with spectacular adult color.
Parrot Doradid
FishRhynchodoras woodsi
A rarely seen Amazonian catfish with a mysterious bony beak-like projection
Parrot Pacu
FishOssubtus xinguense
A plant-munching Xingu oddity that surprises keepers with its feisty personality.
Pastaza Corydora
FishCorydoras pastazensis
A long-lived Ecuadorian armored catfish with a fascinating air-breathing trick.
Patrick's Acara
FishAequidens patricki
A rarely traded Peruvian cichlid with a feisty personality and serious collector appeal.
Peacock Loach
FishLepidocephalichthys annandalei
A rare loach with peacock-patterned tail fins, seldom seen in the trade.