Species
Browsing 785 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.
Neon Goby
FishElacatinus oceanops
A tiny cleaner fish that runs its own reef spa service.
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.
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.
Ocellated Brain Coral
CoralCyphastrea ocellina
A compact, encrusting coral with tightly packed corallites and subtle green tones.
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.
Okinawa Goby
FishGobiodon okinawae
Tiny, vivid, and inseparable from its Acropora home.
One-stripe Anthias
FishPseudanthias fasciatus
A deep-reef anthias famous for swimming upside-down along cave ceilings.
Orange Cup Coral
CoralBalanophyllia (Balanophyllia) elegans
A vivid cold-water coral that thrives in the shade where most corals fail.
Orange Cup Coral
CoralTubastraea columnata
A bold, non-photosynthetic coral that rewards patient target feeders with vivid blooms.
Orange Cup Coral
CoralTubastraea grandidentata
A non-photosynthetic branching coral that thrives in dim, current-swept reef spots.
Orange Encrusting Anemone
CoralEpizoanthus scotinus
A cold-water Pacific zoanthid that brings bold orange color to cooler reef tanks.
Orangefin Anemonefish
FishAmphiprion chrysopterus
A large, bold anemonefish from the wide Pacific with serious territorial attitude.
Orangestriped Triggerfish
FishBalistapus undulatus
One of the reef's most aggressive personalities packed into a boldly patterned body.
Orange Sun Coral
CoralTubastraea megalostoma
A bold, non-photosynthetic coral that thrives in low light and rewards dedicated feeders.
Orange Sun Coral
CoralTubastraea ramosa
A brilliant non-photosynthetic branching coral that thrives in the dark.
Orange Tree Coral
CoralDendrophyllia ramea
A branching azooxanthellate coral that thrives in dim, current-swept Atlantic waters.
Orchid Dottyback
FishPseudochromis fridmani
A bold little Red Sea endemic that punches well above its weight.
Pacific Double-saddle Butterflyfish
FishChaetodon ulietensis
A boldly patterned butterflyfish that pairs for life in the wild.
Pacific Sea Fan
CoralPacifigorgia dampieri
A bold Pacific sea fan that rewards patient, experienced reef keepers with high flow.
Pacific Seahorse
FishHippocampus procerus
A tall-crowned Pacific seahorse that rewards patient, attentive keepers.
Painted Frogfish
FishAntennarius pictus
A master of disguise that hunts with a built-in fishing rod.
Palm Lettuce Coral
CoralPectinia paeonia
A sculptural reef coral that thrives where others struggle with murky water.
Panda Clownfish
FishAmphiprion polymnus
A boldly patterned clownfish with a preference for sandy, silty homes.
Panther Puffer
FishTakifugu pardalis
A boldly patterned marine puffer with a personality bigger than its tank.
Papuan Toby
FishCanthigaster papua
A compact reef puffer with a bold false eyespot and surprisingly manageable care needs.