Species
Browsing 1,789 species. Use the filters below to narrow down.
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.
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.
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.
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 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.
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.
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 Goliath Puffer
FishTetraodon miurus
A buried ambush predator from the Congo that bites first and asks questions never.
Congo Mouthbrooder
FishPseudocrenilabrus nicholsi
A rarely traded Congo mouthbrooder with personality that far outweighs its small size.
Congo Puffer
FishTetraodon schoutedeni
A rare Congo puffer with a surprisingly manageable temperament for its family.
Congo Schooler
FishAlestes bimaculatus
A lively Congo schooler that brings active mid-water energy to larger African setups.
Congo Squeaker
FishSynodontis pleurops
Enormous-eyed Congo catfish that vanishes the moment the lights come on.
Congo Tetra
FishPhenacogrammus interruptus
A drab fish store purchase that transforms into something genuinely spectacular at home.
Convict Cichlid
FishAmatitlania nigrofasciata
Fearless, easy to breed, and absolutely not a community fish.
Convict Julie
FishJulidochromis regani
A Lake Tanganyika cichlid that mates for life and parents cooperatively.
Convict Surgeonfish
FishAcanthurus triostegus
A reef grazer wearing prison stripes, and surprisingly easy to get along with.
Copeina
FishPyrrhulina spilota
A slender Peruvian gem with surprisingly complex spawning behavior for its size.
Coral Filefish
FishOxymonacanthus longirostris
A vividly spotted obligate coral feeder that's as delicate as it is beautiful.
Coral Goby
FishGobiodon atrangulatus
A tiny coral-dwelling goby that lives and breeds within Acropora colonies.
Coral Moss
PlantRiccardia chamedryfolia
Tiny coral-like liverwort that brings detailed texture to rocks and driftwood.
Coral Perch
FishSerranocirrhitus latus
A secretive reef dweller that casually swims upside-down along cave ceilings.
Coroatá
FishPlatynematichthys notatus
A bold Amazonian catfish that grows large enough to demand serious space.
Corumba Cichlid
FishApistogramma commbrae
A cool-water dwarf cichlid with a tell-tale double spot and surprising monogamy.
Corydoras copei
FishA rare Peruvian armored catfish that breathes air and lives for decades.
Corydoras diphyes
FishA tiny, long-lived catfish with a fascinating natural mimicry story.