Aquariumpro
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Species

Browsing 2,796 species. Use the filters below to narrow down.

Norman's Lampeye

Norman's Lampeye

Fish

Poropanchax normani

Tiny West African killifish with glowing blue eyes that shimmer in low light.

Northern longsnose cory

Northern longsnose cory

Fish

Corydoras septentrionalis

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

Northern Purplespotted Gudgeon

Northern Purplespotted Gudgeon

Fish

Mogurnda mogurnda

A bold Australian bottom-dweller with real personality and surprising breeding behavior.

Northern Rainbowfish

Northern Rainbowfish

Fish

Melanotaenia affinis

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

Northern Snakehead

Northern Snakehead

Fish

Channa argus

A true apex predator that can survive days out of water. And is banned in many countries.

Northern Star Coral

Northern Star Coral

Coral

Astrangia poculata

A cold-water stony coral that thrives with or without symbiotic algae.

Oaxaca Cichlid

Oaxaca Cichlid

Fish

Vieja zonata

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

Oblique-lined Dottyback

Oblique-lined Dottyback

Fish

Cypho purpurascens

A bold little reef predator that punches well above its weight in attitude.

Ocellaris Clownfish

Ocellaris Clownfish

Fish

Amphiprion ocellaris

The iconic reef fish that lives fearlessly among stinging anemone tentacles.

Ocellated Brain Coral

Ocellated Brain Coral

Coral

Cyphastrea ocellina

A compact, encrusting coral with tightly packed corallites and subtle green tones.

Ocellated Featherback

Ocellated Featherback

Fish

Chitala ornata

A prehistoric river predator that grows far larger than most tanks can handle.

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 Snakehead

Ocellated Snakehead

Fish

Channa pleurophthalma

Bold ocellus markings and predatory charisma from the peat swamps of Borneo.

Ocellated Wrasse

Ocellated Wrasse

Fish

Halichoeres melasmapomus

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

Ocellate Freshwater Stingray

Ocellate Freshwater Stingray

Fish

Potamotrygon motoro

A disc-shaped apex predator that can learn to recognize its keeper.

Octopus Coral

Octopus Coral

Coral

Galaxea astreata

A sprawling, tentacled coral with surprisingly sharp defensive reach.

Octopus Coral

Octopus Coral

Coral

Galaxea cryptoramosa

A branching Galaxea with detailed fused corallites and a quietly distinctive look.

Octopus Coral

Octopus Coral

Coral

Galaxea longisepta

A small encrusting coral with unusually long, irregular septa and bold white rims.

Octopus Coral

Octopus Coral

Coral

Galaxea paucisepta

A small, textured reef coral with a knobby skeleton and calm disposition.

Odessa Barb

Odessa Barb

Fish

Pethia padamya

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

Ogre Catfish

Ogre Catfish

Fish

Asterophysus batrachus

A gulper catfish that can swallow prey nearly twice its own size.

Okavango Tilapia

Okavango Tilapia

Fish

Tilapia ruweti

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

Okinawa Goby

Okinawa Goby

Fish

Gobiodon okinawae

Tiny, vivid, and inseparable from its Acropora home.

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.

Olive Nerite Snail

Olive Nerite Snail

Invert

Neritina reclivata

A tough little algae grazer that thrives where fresh and salt water meet.

One-lined Pencilfish

One-lined Pencilfish

Fish

Nannostomus unifasciatus

A tiny pencilfish that swims at a permanent angle, day and night.

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.

One Spot Mouthbrooder

One Spot Mouthbrooder

Fish

Betta unimaculata

A mouthbrooding Betta from Borneo that bucks the aggressive stereotype entirely.

Onespot Squeaker

Onespot Squeaker

Fish

Synodontis notata

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

One-stripe Anthias

One-stripe Anthias

Fish

Pseudanthias fasciatus

A deep-reef anthias famous for swimming upside-down along cave ceilings.

One-stripe Spiny Eel

One-stripe Spiny Eel

Fish

Macrognathus aculeatus

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

Opae Ula

Opae Ula

Invert

Halocaridina rubra

Tiny Hawaiian shrimp that thrives on neglect in brackish anchialine pools.