Species
Browsing 3,374 species. Use the filters below to narrow down.
Clown wrasse
FishCoris gaimard
A wrasse that completely reinvents its look from juvenile to adult.
Club Carnation Coral
CoralGersemia clavata
A cold-water soft coral that brings bold color to temperate reef displays.
Club Finger Coral
CoralPorites porites
A tough Atlantic branching coral that feeds actively even in daylight.
Cluster Anemone
CoralParazoanthus anguicomus
Delicate white colonial polyps that bring a cool-water feel to reef tanks.
Coas Synodontis
FishSynodontis obesus
A hefty West African catfish with a surprising electric organ hidden inside.
Cobalt Blue
FishMaylandia callainos
A bold mbuna that rewards keepers who understand cichlid politics.
Cobalt Blue Goby
FishStiphodon semoni
A tiny rainforest stream goby with big personality and territorial tendencies.
Cobbler
FishCnidoglanis macrocephalus
A peaceful Australian giant that hides by day and hunts by night.
Cochliodon Pleco
FishHypostomus cochliodon
A hefty South American pleco with a surprisingly specialized wood-scraping bite.
Cockatoo Dwarf Cichlid
FishApistogramma cacatuoides
A pocket-sized cichlid with big personality and remarkable parental dedication.
Cockscomb Cup Coral
CoralDesmophyllum dianthus
A cold-water deep-sea coral that thrives where most corals fear to tread.
Cocosoda Catfish
FishPseudauchenipterus nodosus
A schooling brackish catfish that thrives where rivers meet the sea.
Coffee Bean Tetra
FishHyphessobrycon takasei
A quietly charming little tetra with a distinctive coffee-dark body spot.
Collector Urchin
InvertTripneustes gratilla
A reef-safe grazer that doubles as a living piece of underwater decor.
Colombian Red Fin
FishHyphessobrycon columbianus
A bold Colombian tetra with vivid red fins and a peaceful, social nature.
Colorful Sea Whip
CoralLeptogorgia virgulata
A branching sea whip from the Atlantic coast, vivid and flow-loving.
Coloured mantis shrimp, Peacock mantis shrimp, Harlequin mantis shrimp, Painted mantis shrimp
InvertOdontodactylus scyllarus
A fist-packing reef predator with vision far beyond anything we can imagine.
Columnar Sandy Zoanthid
CoralPalythoa nelliae
A hardy Indo-Pacific zoanthid that forgives beginner mistakes and rewards patience.
Columniform Crust Coral
CoralMerulina cylindrica
A columnar reef-builder that brings unusual vertical structure to the reef aquarium.
Combtail
FishBelontia signata
Sri Lanka's feisty labyrinth fish, with a reddish glow and a short temper.
Comet Goldfish
FishCarassius auratus var. comet
The classic long-tailed goldfish that outlives most aquarium pets.
Commerson's Sea Pike
FishSphyraena barracuda
A true apex predator that grows to nearly six feet long.
Common Egg Cowrie
InvertOvula ovum
A glossy white shell with a jet-black mantle that turns heads in any reef tank.
Common Natron Tilapia
FishAlcolapia alcalicus
A cichlid from one of Earth's most inhospitable lakes, built to survive where almost nothing else can.
Common Pleco
FishHypostomus plecostomus
The classic algae-scrubbing catfish that outgrows almost every tank it's sold for.
Common Remora
FishRemora remora
The original hitchhiker: a fish that lives life permanently attached to a host.
Common Sea Fan
CoralGorgonia ventalina
A fan-shaped gorgonian that brings reef structure and graceful movement to saltwater tanks.
Common spiny loach
FishLepidocephalichthys thermalis
A sand-sifting loach from India that thrives in groups and breathes air when needed.
Common Whiptail Catfish
FishRineloricaria eigenmanni
A slender, stick-like catfish that breeds readily and welcomes community life.
Compact Ivory Bush Coral
CoralOculina arbuscula
A compact, low-light Atlantic coral that thrives where others struggle.
Compressed Cichlid
FishAltolamprologus compressiceps
A laterally flattened Tanganyikan predator built to hunt in razor-thin rock crevices.
Condy Anemone
InvertCondylactis gigantea
A bold Caribbean anemone that thrives without a clownfish partner.
Congico Bichir
FishPolypterus endlicheri congicus
A prehistoric armored predator that breathes air and swallows prey whole.
Congo Barb
FishClypeobarbus congicus
A rare Congo native with distinctive shield-like scales and a subtle social hierarchy.
Congo Catfish
FishSynodontis aterrima
A small but feisty Congo catfish that keeps tankmates on their toes.
Congo Catfish
FishSynodontis greshoffi
A boldly patterned Congo catfish that's tougher than it looks but easier than most Synos.