🌙Nocturnal
Species most active after lights-out. Nocturnal fish and inverts add a different dimension to the tank and often surprise keepers who catch them at work.
221 species
Spotted Pimelodus
FishPimelodus maculatus
A schooling predatory catfish that needs space, robust tankmates, and careful handling.
Spotted Raphael Catfish
FishAgamyxis pectinifrons
A long-lived, armored Amazon catfish that actually makes noise when handled.
Squeaker Catfish
FishSynodontis robbianus
A compact, hardy West African catfish that's surprisingly manageable for beginners.
Stick Catfish
FishAcestridium dichromum
A twig-mimicking catfish from blackwater Orinoco rivers, rarely seen in the trade.
Stinging Catfish
FishHeteropneustes fossilis
A tough, air-breathing catfish that comes with a genuinely painful warning.
Striped Bum Coral
CoralHeterocyathus aequicostatus
A free-roaming coral with a live-in worm chauffeur keeping it mobile.
Striped Eel Catfish
FishPlotosus lineatus
The only catfish that calls coral reefs home, and it comes armed.
Striped Raphael
FishPlatydoras armatulus
The catfish that actually talks. And you can hear it through the glass.
Striped Woodcat
FishTrachelyopterichthys taeniatus
A boldly patterned Amazonian catfish that thrives in community tanks.
Suckermouth Catfishes
FishHypostomus sp
Ancient armored grazers from one of South America's most remote wild places.
Suckermouth Catfishes
FishHypostomus sp. "L231"
A mysterious Peruvian pleco whose identity still has scientists guessing.
Sumatran Featherback
FishChitala hypselonotus
A massive, air-breathing knifefish from the jungle rivers of Borneo and Sumatra.
Sun Coral
CoralTubastraea coccinea
Brilliant orange polyps that only open at night. And demand to be fed.
Sun Loach
FishYasuhikotakia eos
A bold, clicking loach from fast Mekong rivers that demands respect and companions.
Swamp Eel
FishSynbranchus madeirae
A secretive South American swamp eel with surprising parental instincts.
Ten Coral
CoralMadracis kirbyi
A compact Indo-Pacific coral recognized by its distinctive ten-septum corallites.
Thorny Catfish
FishAnadoras grypus
A compact Amazonian thorny catfish with surprising personality for its small size.
Thorny Catfish
FishNemadoras leporhinus
A schooling thorny catfish from South America, rarely seen but worth seeking out.
Thorny Catfish
FishRhinodoras dorbignyi
A gentle giant of the Paraná, this armored catfish needs serious space to roam.
Three-ray Bristlenose Pleco
FishAncistrus triradiatus
A compact, cave-breeding Bristlenose with a surprisingly complex social life.
Tiger Characin
FishHoplias malabaricus
A nocturnal ambush predator with jaws that mean serious business.
Tiger Shovelnose
FishPseudoplatystoma fasciatum
A river giant that outgrows almost every home aquarium faster than you'd expect.
Tipped Bubblegum Coral
CoralPhysogyra lichtensteini
Grape-like bubbles by day, tentacles by night. A coral with two faces.
Tire Track Eel
FishMastacembelus armatus
A burrow-happy nocturnal eel that rewards patient keepers with years of personality.
Tombstone Coral
CoralCoeloseris mayeri
A solid, slow-growing mound coral with a quietly geometric look.
Torch Coral
CoralEuphyllia glabrescens
Flowing tentacles and a potent sting make this reef showpiece a handful to keep.
Two Rayed Banjo Catfish
FishAmaralia hypsiura
A flat, leaf-litter specialist with a peculiar silhouette and peaceful disposition.
Two-striped Pencilfish
FishNannostomus digrammus
A rare, peaceful pencilfish that doubles as the perfect dither fish for dwarf cichlid tanks.
Upside-down Catfish
FishSynodontis nigrita
The Synodontis that outgrows its welcome. And gets mistaken for something else entirely.
Vampire Crab
InvertGeosesarma notophorum
Vivid purple freshwater crab that lives on land as much as in water.
Vundu
FishHeterobranchus longifilis
One of Africa's largest freshwater fish, built for serious dedicated keepers only.
Wahrindi
FishSynodontis gambiensis
A wide-ranging West African catfish that earns its space with character.
Weakfish
FishPetrocephalus bovei bovei
A nocturnal African weakfish that retreats into caves by day and hunts by night.
West African Bichir
FishPolypterus retropinnis
A living fossil with lungs, armor, and a prehistoric attitude.
Wood-cat Catfish
FishAuchenipterichthys thoracatus
A secretive Amazonian catfish that wedges itself into hiding spots with specialized fins.
Wood Catfish
FishCentromochlus schultzi
A shy but charming Brazilian wood catfish that rewards patient, attentive keepers.