Species
Browsing 3,374 species. Use the filters below to narrow down.
Cup Coral
CoralTubastraea dendroida
A rare subtropical cup coral from Hong Kong's reef slopes, built for low light.
Cup Coral
CoralTubastraea faulkneri
A brilliant non-photosynthetic cup coral that thrives in the shadows of the reef.
Cup Coral
CoralTubastraea tagusensis
A shade-loving cup coral that thrives where most others would starve.
Cup Coral
CoralTurbinaria mesenterina
A shape-shifting reef coral that sculpts itself to match available light.
Cupid Cichlid
FishBiotodoma cupido
A peaceful community cichlid that rewards keepers who buy a proper group.
Cutter's Cichlid
FishArchocentrus septemfasciatus
A feisty Costa Rican cichlid that punches well above its weight at spawning time.
Cuvier's Surgeonfish
FishAcanthurus xanthopterus
A wide-ranging giant surgeonfish that breaks the herbivore rules.
Cylindrical Finger Coral
CoralPorites cylindrica
A smooth-branching reef builder that can dominate entire lagoon zones.
Daffodil Cichlid
FishNeolamprologus pulcher
A Lake Tanganyika cichlid with a remarkably complex social family life.
Daisy's Ricefish
FishOryzias woworae
A tiny Indonesian ricefish that glows red and blue at spawning time.
Damba
FishParetrolplus damii
A rare Malagasy cichlid with fascinating pit-digging breeding behavior.
Damba Mipentina
FishParetroplus maculatus
A rare Malagasy cichlid that rewards patient keepers with real personality.
Danford's killifish
FishAphanius danfordii
A rare Turkish killifish relative with fascinating behavior and real conservation value.
Danio Sp. Gold Laser
FishDanio feegradei
A restless Burmese danio with complex social dynamics beneath its peaceful reputation.
Danio Sp. Putao
FishCelestichthys flagrans
A rare northern Myanmar danio with fiery stripes and a slender build.
Dark-banded Eel
FishEchidna polyzona
A reef moray that hunts crabs, not fish, making it surprisingly tankmate-friendly.
Dark Green Parrotfish
FishSparisoma viride
A reef sculptor that literally chews coral into Caribbean sand.
Dash-dot Goatfish
FishParupeneus barberinus
A bold, active sand-sifter built for big reef systems with open substrate.
Dash-dot Tetra
FishHemigrammus bellottii
A small, nimble Amazonian tetra with a distinctive body marking worth looking twice at.
Dawkinsia chalakkudiensis
FishSahyadria chalakkudiensis
A rare Kerala barb with feisty personality and a tangled taxonomic history.
Dawkinsia exclamatio
FishPuntius exclamatio
A rare Indian barb with a uniquely puzzling two-blotch pattern that may not even be a true species.
Dawn Tetra
FishAphyocharax paraguayensis
A lively little shoaler that pairs well with dwarf cichlids and Corydoras.
Day's mystus
FishMystus bleekeri
A sociable South Asian catfish that thrives in groups and fits larger community tanks well.

Dead Man's Fingers
CoralAlcyonium cydonium
A lumpy, lobed soft coral from cold northern seas, rarely seen in home systems.
Dead Man's Fingers
CoralAlcyonium muricatum
A soft coral from Japanese waters, surprisingly approachable for newer reef keepers.
Dead Man's Fingers
CoralAlcyonium senegalense
A soft coral from Atlantic waters, rarely seen but surprisingly approachable.
Dead Men's Fingers
CoralAlcyonium digitatum
A cold-water soft coral that thrives where most reef animals won't.
Debauwi Catfish
FishPareutropius buffei
A slender West African catfish that blooms with confidence in a shoal.
Deccan Rita
FishRita kuturnee
A peaceful river catfish from India's Deccan plateau, rarely seen but worth seeking out.
Deep Body Bitterling
FishAcheilognathus macropterus
A large bitterling with a bizarre mussel-breeding strategy unlike almost any other fish.
Deep Water Hap
FishPlacidochromis electra
A sand-sifting Malawi hap gentle enough to keep with Aulonocara and Copadichromis.
Deepwater Sea Fan
CoralIciligorgia schrammi
A deepwater Atlantic sea fan that brings dramatic branching structure to the reef tank.
Deepwater Wrasse
FishCirrhilabrus bathyphilus
A rarely seen deep-reef wrasse from some of the Pacific's most remote atolls.
Delicate Blue-eye
FishPseudomugil tenellus
A tiny, peaceful Australian blue-eye that glows in a well-planted, sun-drenched tank.
Delicate Spiny Sea Fan
CoralMuricea laxa
A graceful branching sea fan from the Western Atlantic that rewards attentive reefers.
Delicate Swordtail
FishXiphophorus cortezi
A gentle, lesser-known Mexican swordtail for the planted community tank.