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Species

Browsing 484 species. Use the filters below to narrow down.

Millennium Cory

Millennium Cory

Fish

Corydoras spectabilis

The 'millennium cory'. A peaceful schooler with spotted flair from Brazil's Guaporé basin.

Minor Tetra

Minor Tetra

Fish

Hyphessobrycon minor

A peaceful little tetra from Guyana that's seldom seen in the hobby.

Moorish Idol

Moorish Idol

Fish

Zanclus canescens

Iconic reef wanderer with a dramatic look that rarely thrives in captivity.

Mosaic Corydoras

Mosaic Corydoras

Fish

Corydoras haraldschultzi

A long-lived armored catfish with detailed reticulated markings and a surprisingly social personality.

Moth Catfish

Moth Catfish

Fish

Hara jerdoni

A moth-like micro catfish from Indian hill streams, best kept in groups.

Mottled Loach

Mottled Loach

Fish

Acanthocobitis botia

A peaceful, quirky bottom-dweller with a false eye that fools predators.

Mystic Mystus

Mystic Mystus

Fish

Mystus mysticetus

A gregarious Southeast Asian catfish with a uniquely lateral-eyed look.

Naked Characin

Naked Characin

Fish

Gymnocharacinus bergi

A scaleless South American oddity from one of the world's most isolated streams.

Nemacheilus guentheri

Nemacheilus guentheri

Fish

Mesonoemacheilus guentheri

A pebble-stream loach from India with famously unpredictable mood swings.

Nemacheilus petrubanarescui

Nemacheilus petrubanarescui

Fish

Mesonoemacheilus petrubanarescui

A shy Indian stream loach best kept in groups to bring it out of hiding.

Neon Blue Rasbora

Neon Blue Rasbora

Fish

Sundadanio axelrodi

Tiny blackwater gem that rewards patient keepers with dazzling group behavior.

Neon Dwarf Rainbowfish

Neon Dwarf Rainbowfish

Fish

Melanotaenia praecox

Tiny rainbowfish that turns up the color when kept in a proper shoal.

Neon Goby

Neon Goby

Fish

Gobiosoma oceanops

A tiny reef cleaner that punches way above its weight.

Neon Tetra

Neon Tetra

Fish

Paracheirodon innesi

The fish that turned millions of people into aquarium keepers.

Network Cory

Network Cory

Fish

Corydoras reticulatus

A fine-patterned bottom dweller that lives surprisingly long in good company.

Niger Triggerfish

Niger Triggerfish

Fish

Odonus niger

Red teeth, blue body, and a personality that commands the whole tank.

Nijssen's cory

Nijssen's cory

Fish

Corydoras nijsseni

A rare Rio Negro cory with bold patterning and a surprisingly long lifespan.

Northern longsnose cory

Northern longsnose cory

Fish

Corydoras septentrionalis

A long-lived Orinoco bottom-dweller that breathes air and blinks at you.

Northern Rainbowfish

Northern Rainbowfish

Fish

Melanotaenia affinis

One of the first rainbowfish in the hobby, now available in several wild forms.

Odessa Barb

Odessa Barb

Fish

Pethia padamya

A barb with a mysterious past and males that blaze red when rivals are near.

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.

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.

Orangefin Tetra

Orangefin Tetra

Fish

Bryconops affinis

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

Orangespot Surgeonfish

Orangespot Surgeonfish

Fish

Acanthurus olivaceus

A bold orange shoulder-stripe makes this reef surgeon impossible to mistake.

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.

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.

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.

Panda Barb

Panda Barb

Fish

Haludaria melanampyx

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

Panda Garra

Panda Garra

Fish

Garra flavatra

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

Papuan Rainbowfish

Papuan Rainbowfish

Fish

Melanotaenia papuae

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