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Species

Browsing 698 species. Use the filters below to narrow down.

Nkhomo-benga Peacock

Nkhomo-benga Peacock

Fish

Aulonocara baenschi

A peacock cichlid with a curved snout and brilliant gold coloration from Lake Malawi.

Noble Gourami

Noble Gourami

Fish

Ctenops nobilis

The noble gourami: a labyrinth fish that spits its eggs straight into dad's mouth.

Oaxaca Cichlid

Oaxaca Cichlid

Fish

Vieja zonata

A rare Mexican cichlid with big personality and even bigger space requirements.

Obliquidens Hap

Obliquidens Hap

Fish

Haplochromis obliquidens

A scrappy Victorian cichlid with a taste for algae and a bold personality.

Ocellated Lionfish

Ocellated Lionfish

Fish

Dendrochirus biocellatus

A shy, venomous reef dweller that hides by day and hunts by night.

Ocellated Puffer

Ocellated Puffer

Fish

Takifugu ocellatus

A surprisingly peaceful puffer with a wild lifecycle from river to reef.

Ocellated pufferfish

Ocellated pufferfish

Fish

Leiodon cutcutia

A pufferfsh from Asian rivers and canals with a surprisingly long lifespan.

Ocellated Wrasse

Ocellated Wrasse

Fish

Halichoeres melasmapomus

A bold cheek-spotted wrasse with a wide Pacific range and big personality.

Ocellifer Catfish

Ocellifer Catfish

Fish

Synodontis ocellifer

A hardy West African catfish with bold spots and a long, distinctive adipose fin.

Odessa Barb

Odessa Barb

Fish

Pethia padamya

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

Okavango Tilapia

Okavango Tilapia

Fish

Tilapia ruweti

A compact African cichlid with big personality from wild swamp habitats.

One-stripe Spiny Eel

One-stripe Spiny Eel

Fish

Macrognathus aculeatus

A serpentine burrower with a single bold stripe and a secretive personality.

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.

Orange Ctenopoma

Orange Ctenopoma

Fish

Microctenopoma ansorgii

A jewel-toned African labyrinth fish that rewards patient, experienced keepers.

Orange dwarf toothcarp

Orange dwarf toothcarp

Fish

Neoheterandria elegans

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

Orange Head

Orange Head

Fish

Geophagus sp. "Orange Head"

A vividly capped cichlid that rewards patient keepers with fascinating mouthbrooding family life.

Orchid Dottyback

Orchid Dottyback

Fish

Pseudochromis fridmani

A bold little Red Sea endemic that punches well above its weight.

Orinoco

Orinoco

Fish

Andinoacara sp. "Orinoco"

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

Ornate Bichir

Ornate Bichir

Fish

Polypterus ornatipinnis

An ancient, armored predator that breathes air and prowls the night.

Oscar

Oscar

Fish

Astronotus ocellatus

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

Oyapock Eartheater

Oyapock Eartheater

Fish

Geophagus camopiensis

A rarely seen eartheater with elaborate mouthbrooding behavior and real personality.

Panamanian Eartheater

Panamanian Eartheater

Fish

Geophagus crassilabris

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

Panda Clownfish

Panda Clownfish

Fish

Amphiprion polymnus

A boldly patterned clownfish with a preference for sandy, silty homes.

Panda Dwarf Cichlid

Panda Dwarf Cichlid

Fish

Apistogramma nijsseni

A panda-patterned dwarf cichlid with fierce maternal instincts and blackwater roots.

Panda Uaru

Panda Uaru

Fish

Uaru fernandezyepezi

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

Pantanal Eartheater

Pantanal Eartheater

Fish

Satanoperca pappaterra

A sand-sifting cichlid that fearlessly charges piranhas in the wild.

Pantano Cichlid

Pantano Cichlid

Fish

Herichthys pearsei

A surprisingly gentle giant from Mexican and Guatemalan river systems.

Papuan Toby

Papuan Toby

Fish

Canthigaster papua

A compact reef puffer with a bold false eyespot and surprisingly manageable care needs.

Parnaíba Eartheater

Parnaíba Eartheater

Fish

Geophagus parnaibae

A sand-sifting cichlid from Brazil that's gentler than its reputation suggests.

Parrot Pacu

Parrot Pacu

Fish

Ossubtus xinguense

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

Patwa

Patwa

Fish

Krobia guianensis

A sleek Guianan cichlid that rewards patient keepers with real personality.

Peacock Cichlid

Peacock Cichlid

Fish

Aulonocara nyassae

Dazzling Lake Malawi cichlid that hunts invertebrates hidden in the sand.

Peacock Gudgeon

Peacock Gudgeon

Fish

Tateurndina ocellicauda

A jewel-like bottom-dweller from Papua New Guinea with fascinating cave-spawning behavior.

Peacock Razorfish

Peacock Razorfish

Fish

Iniistius pavo

A reef acrobat that vanishes into the sand at the first sign of trouble.

Peacock wrasse

Peacock wrasse

Fish

Cirrhilabrus temminckii

A dazzling fairy wrasse with flowing fins that commands attention in any reef tank.