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Species

Browsing 934 species. Use the filters below to narrow down.

Olga

Olga

Fish

Corydoras simulatus

A rarely documented Colombian cory with a color pattern that keeps even experts guessing.

Olive danio

Olive danio

Fish

Danio dangila

A large, active danio with impressively long barbels and a rarely seen wild side.

Oneline Tetra

Oneline Tetra

Fish

Nannaethiops unitaeniatus

A peaceful little African schooler that deserves far more attention than it gets.

One-spot Eartheater

One-spot Eartheater

Fish

Satanoperca lilith

A rarely traded eartheater with a single bold flank spot and surprising social depth.

Onespot Squeaker

Onespot Squeaker

Fish

Synodontis notata

A daytime-active catfish with a bold personality to match its bold spot.

Opsarius ardens

Opsarius ardens

Fish

Barilius ardens

A fast-moving Western Ghats minnow that needs space, speed, and bold companions.

Opsarius malabaricus

Opsarius malabaricus

Fish

Barilius malabaricus

A fast, bold river minnow from India's Western Ghats that needs room to move.

Oranda Goldfish

Oranda Goldfish

Fish

Carassius auratus var. oranda

The velvet-capped fancy goldfish that rewards patient, attentive keeping.

Orange dwarf toothcarp

Orange dwarf toothcarp

Fish

Neoheterandria elegans

A tiny Colombian livebearer with a fascinating near-mammalian reproductive twist.

Orangefin Tetra

Orangefin Tetra

Fish

Bryconops affinis

A restless, fast-moving shoaler from the Guiana Shield's coastal streams.

Orinoco

Orinoco

Fish

Andinoacara sp. "Orinoco"

A mellow Orinoco cichlid that pairs easily and rewards patient breeders.

Orinoco Eartheater

Orinoco Eartheater

Fish

Biotodoma wavrini

A slender eartheater that thrives in groups and rewards patient, experienced keepers.

Orinoco Tetra

Orinoco Tetra

Fish

Hemigrammus barrigonae

A rare Orinoco tetra that rewards patient keepers willing to seek it out.

Ornate Corydoras

Ornate Corydoras

Fish

Corydoras ornatus

A long-lived Tapajós bottom-dweller that thrives in sociable, peaceful groups.

Oscar

Oscar

Fish

Astronotus ocellatus

The cichlid that recognizes your face and rearranges its own tank.

Otocinclus Catfish (Tank-Bred)

Otocinclus Catfish (Tank-Bred)

Fish

Otocinclus macrospilus

The most commonly sold oto, fragile at first but rewarding once settled.

Oyapock Cory

Oyapock Cory

Fish

Corydoras condiscipulus

A long-lived Oyapock armored catfish that breathes air and blinks its eyes.

Pacific Molly

Pacific Molly

Fish

Poecilia butleri

A personable little livebearer that grazes algae and practically eats from your hand.

Pacu

Pacu

Fish

Piaractus mesopotamicus

A seed-crunching giant from South American floodplains that outgrows almost any home aquarium.

Palauan Riffle Goby

Palauan Riffle Goby

Fish

Stiphodon pelewensis

A tiny riffle-dweller that vanishes into the sand when startled.

Palespotted Corydoras

Palespotted Corydoras

Fish

Corydoras gossei

A long-lived, peaceful bottom dweller that breathes air and blinks its eyes.

Panamanian Eartheater

Panamanian Eartheater

Fish

Geophagus crassilabris

A rare Panamanian cichlid with a reddish glow and fascinating sand-sifting habits.

Panda Barb

Panda Barb

Fish

Haludaria melanampyx

A lively hill-stream barb from India's Western Ghats with a two-tone shimmer.

Panda Cory

Panda Cory

Fish

Corydoras panda

The panda-patterned cory that's as personable as it is peaceful.

Panda Garra

Panda Garra

Fish

Garra flavatra

A boldly patterned Burmese stream fish that's part algae grazer, part personality.

Panda Uaru

Panda Uaru

Fish

Uaru fernandezyepezi

A rare Orinoco cichlid that few hobbyists ever get to keep.

Pangio Loach

Pangio Loach

Fish

Pangio pangia

A slender, burrowing loach from South Asian slow waters, peaceful and endlessly curious.

Pangusia Labeo

Pangusia Labeo

Fish

Labeo pangusia

A large, fast-water river fish that earns its keep as an algae grazer.

Panther Loach

Panther Loach

Fish

Acanthocobitis pavonacea

A boldly patterned loach from northeast India that rarely appears in the trade.

Papuan Rainbowfish

Papuan Rainbowfish

Fish

Melanotaenia papuae

A compact rainbowfish from Port Moresby's jungle streams, peaceful and full of personality.

Parkinson's Rainbowfish

Parkinson's Rainbowfish

Fish

Melanotaenia parkinsoni

A Papua New Guinea gem that rewards patient keepers with spectacular adult color.

Parrot Doradid

Parrot Doradid

Fish

Rhynchodoras woodsi

A rarely seen Amazonian catfish with a mysterious bony beak-like projection

Parrot Pacu

Parrot Pacu

Fish

Ossubtus xinguense

A plant-munching Xingu oddity that surprises keepers with its feisty personality.

Pastaza Corydora

Pastaza Corydora

Fish

Corydoras pastazensis

A long-lived Ecuadorian armored catfish with a fascinating air-breathing trick.

Patrick's Acara

Patrick's Acara

Fish

Aequidens patricki

A rarely traded Peruvian cichlid with a feisty personality and serious collector appeal.

Peacock Loach

Peacock Loach

Fish

Lepidocephalichthys annandalei

A rare loach with peacock-patterned tail fins, seldom seen in the trade.