Species
Browsing 1,789 species. Use the filters below to narrow down.
Narrow-lined Puffer
FishArothron manilensis
A bold, beak-toothed puffer that thrives from mangroves to lagoon reefs.
necklace nassa
InvertNassarius distortus
A tidy little scavenger from the Yaeyama Islands with a distinctively ornate shell.
Neon Blue Rasbora
FishSundadanio axelrodi
Tiny blackwater gem that rewards patient keepers with dazzling group behavior.
Neon Dwarf Rainbowfish
FishMelanotaenia praecox
Tiny rainbowfish that turns up the color when kept in a proper shoal.
Neon Goby
FishElacatinus oceanops
A tiny cleaner fish that runs its own reef spa service.
Network Cory
FishCorydoras reticulatus
A fine-patterned bottom dweller that lives surprisingly long in good company.
Nierstrasz's Coral
CoralPsammocora nierstraszi
A rugged, wave-battered coral with deeply wandering valleys and a rough, textured surface.
Niger Triggerfish
FishOdonus niger
Red teeth, blue body, and a personality that commands the whole tank.
Night Aulonocara
FishAulonocara hueseri
A sand-sifting peacock cichlid with deep blue coloration from Lake Malawi's rocky shores.
Nijssen's cory
FishCorydoras nijsseni
A rare Rio Negro cory with bold patterning and a surprisingly long lifespan.
Nile Bichir
FishPolypterus bichir
A living fossil that breathes air and moves like an eel.
Nilgiri Mystus
FishHemibagrus punctatus
A rare, spot-flanked Indian catfish built for serious catfish specialists only.
Ninja shrimp
InvertCaridina serratirostris
A color-shifting freshwater shrimp that can vanish right before your eyes.
Nkhomo-benga Peacock
FishAulonocara baenschi
A peacock cichlid with a curved snout and brilliant gold coloration from Lake Malawi.
Norman's Lampeye
FishPoropanchax normani
Tiny West African killifish with glowing blue eyes that shimmer in low light.
Northern longsnose cory
FishCorydoras septentrionalis
A long-lived Orinoco bottom-dweller that breathes air and blinks at you.
Northern Purplespotted Gudgeon
FishMogurnda mogurnda
A bold Australian bottom-dweller with real personality and surprising breeding behavior.
Northern Rainbowfish
FishMelanotaenia affinis
One of the first rainbowfish in the hobby, now available in several wild forms.
Northern Sea Fan
CoralCallistephanus pallida
A graceful branching fan coral that rewards patient, experienced reef keepers.
Northern Star Coral
CoralAstrangia poculata
A cold-water stony coral that thrives with or without symbiotic algae.
Oaxaca Cichlid
FishVieja zonata
A rare Mexican cichlid with big personality and even bigger space requirements.
Obliquidens Hap
FishHaplochromis obliquidens
A scrappy Victorian cichlid with a taste for algae and a bold personality.
Ocellated Brain Coral
CoralCyphastrea ocellina
A compact, encrusting coral with tightly packed corallites and subtle green tones.
Ocellated Labyrinth Fish
FishCtenopoma muriei
A compact African labyrinth fish that punches above its weight in personality.
Ocellated Puffer
FishTakifugu ocellatus
A surprisingly peaceful puffer with a wild lifecycle from river to reef.
Ocellated pufferfish
FishLeiodon cutcutia
A pufferfsh from Asian rivers and canals with a surprisingly long lifespan.
Ocellated Wrasse
FishHalichoeres melasmapomus
A bold cheek-spotted wrasse with a wide Pacific range and big personality.
Octopus Coral
CoralGalaxea alta
A bold, spreading coral with dramatic polyp extension that commands attention.
Octopus Coral
CoralGalaxea astreata
A sprawling, tentacled coral with surprisingly sharp defensive reach.
Octopus Coral
CoralGalaxea cryptoramosa
A branching Galaxea with detailed fused corallites and a quietly distinctive look.
Octopus Coral
CoralGalaxea longisepta
A small encrusting coral with unusually long, irregular septa and bold white rims.
Octopus Coral
CoralGalaxea paucisepta
A small, textured reef coral with a knobby skeleton and calm disposition.
Ocular Coral
CoralMadrepora oculata
A deep-sea reef builder that occasionally ventures into aquarium-friendly depths.
Ogre Catfish
FishAsterophysus batrachus
A gulper catfish that can swallow prey nearly twice its own size.
Okinawa Goby
FishGobiodon okinawae
Tiny, vivid, and inseparable from its Acropora home.
Olga
FishCorydoras simulatus
A rarely documented Colombian cory with a color pattern that keeps even experts guessing.