Species
Browsing 2,796 species. Use the filters below to narrow down.
Crazy Fish
FishButis butis
The brackish ambush predator that hunts just as happily upside down as right-side up.
creeping primrose-willow
PlantLudwigia repens
A hardy red-green stem plant that rewards even beginners with bold color.
Creeping Primrose-willow
PlantLudwigia repens 'Rubin'
Deep burgundy foliage that intensifies under brighter light, great for bold background color.
Creole Topminnow
FishGirardinus creolus
A rare Cuban livebearer that occupies the middle of the water column.
Crescent Grunter
FishTerapon jarbua
A wide-ranging estuarine predator that bridges salt and freshwater with ease.
Crisp Pillow Coral
CoralAnomastraea irregularis
A tough, low-profile coral from turbid shallows, active even in daylight.
Crispy Crust Coral
CoralMerulina ampliata
A reef plate coral that builds detailed ridged fans across lagoon floors.
Crispy Crust Coral
CoralMerulina scabricula
A sculptural reef coral with fan-like ridges and soft blue margins.
Crispy Crust Coral
CoralMerulina scheeri
A plate-forming reef coral built for low-light crevices and silty lagoon slopes.
Criss-cross Butterflyfish
FishChaetodon vagabundus
A wide-ranging reef butterfly that pairs for life and patrols its territory together.
Croaking Gourami
FishTrichopsis vittata
The gourami that settles arguments with sound instead of fins.
Crocea Clam
InvertTridacna crocea
A compact, vividly patterned giant clam that bores into reef rock for security.
Crocodile Catfish
FishBagarius suchus
A rapids-dwelling predator built more for public aquariums than home tanks.
Crocodile Stickleback
FishIndostomus crocodilus
A tiny armored oddity from Thai blackwater streams, best kept in small groups.
Cross-hatch Butterflyfish
FishChaetodon xanthurus
The only butterflyfish with a true crosshatch pattern on its sides.
Crust Coral
CoralLeptastrea bewickensis
A tough, low-profile reef coral that quietly holds its own across the Indo-Pacific.
Crust Coral
CoralLeptastrea bottae
A tough encrusting coral with bold skeletal texture and wide Indo-Pacific range.
Crust Coral
CoralLeptastrea inaequalis
A tough, encrusting coral with vivid green and yellow calices across a wide reef range.
Crust Coral
CoralLeptastrea purpurea
A tough, encrusting Indo-Pacific coral with a surprisingly vast natural range.
Crust Coral
CoralLeptastrea transversa
A flat, encrusting Indo-Pacific coral with bold angular corallites and broad reef tolerance.
Crystal Jellyfish
InvertAequorea victoria
The bioluminescent Pacific jelly that inspired a Nobel Prize-winning discovery.
Crystal Rainbow Tetra
FishTrochilocharax ornatus
A scaleless micro-tetra with internal fertilization and serious personality for its size.
Crystal Red Shrimp
InvertCaridina cantonensis
Boldly patterned dwarf shrimp that reward careful water chemistry with constant activity.
Crystal Red Shrimp
InvertCaridina logemanni
The iconic red-and-white dwarf shrimp that turned nano tanks into an art form.
Crystal Red Tetra
FishHyphessobrycon haraldschultzi
A rare Araguaia gem that rewards patient schooling setups with vivid red coloring.
Cuban Cichlid
FishNandopsis tetracanthus
Cuba's only native cichlid: territorial, long-lived, and surprisingly personable.
Cuban Gar
FishAtractosteus tristoechus
A living fossil from Cuba that outgrows almost any home aquarium.
Cuban hogfish
FishBodianus pulchellus
A reef-safe wrasse relative that moonlights as a cleaner fish when young.
Cuckoo Catfish
FishSynodontis petricola
The catfish that tricks cichlids into raising its young. Nature's ultimate con artist.
Cuming's Barb
FishPethia cumingii
A peaceful Sri Lankan gem with bold black blotches and sunshine-yellow fins.
Cup Coral
CoralBalanophyllia (Balanophyllia) capensis
A solitary cold-water cup coral built for dimly lit, current-swept reefs.
Cupid Cichlid
FishBiotodoma cupido
A peaceful community cichlid that rewards keepers who buy a proper group.
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.