Species
Browsing 467 species. Use the filters below to narrow down.
Social Fairy Wrasse
FishCirrhilabrus rubriventralis
A jewel-toned Red Sea wrasse that dances through the water column in groups.
Sohal Tang
FishAcanthurus sohal
A bold Red Sea beauty that rules its territory with zero tolerance for rivals.
Sorong Rainbowfish
FishMelanotaenia fredericki
A compact Indonesian rainbowfish with vivid color that rewards attentive keepers.
Splendid Rainbow Wrasse
FishHalichoeres marginatus
A reef wrasse that shifts from drab to vivid as it matures.
Spot-tail
FishBrycinus imberi
A wide-ranging African schooler that brings energy and size to larger tanks.
Spottail Killifish
FishHeterandria bimaculata
A bold Central American livebearer with attitude to match its size.
Spotted Lagoon Jelly
InvertMastigias papua
A photosynthetic jellyfish from Palau's legendary landlocked lake.
Spotted Metynnis
FishMetynnis maculatus
A schooling cousin of the piranha that mostly just wants to eat your plants.
Spotted Toby
FishCanthigaster solandri
A compact reef puffer with vivid spotted patterning and a surprisingly mild temperament.
Stellate Puffer
FishArothron stellatus
The largest puffer in the world, built like a torpedo with a beak to match.
Stripeback Hap
FishBuccochromis nototaenia
A rarely seen Malawi predator that hunts cichlids over open sand flats.
Striped Catfish
FishPangasionodon hypophthalmus
Sold as a tiny silver juvenile, grows into a tank-busting giant.
Striped Scat
FishSelenotoca multifasciata
A bold, active brackish fish that grows big and keeps things lively.
Striped Silver Dollar
FishMetynnis fasciatus
A compact, banded silver dollar from the heart of the Amazon basin.
Striped Tucunare
FishCichla temensis
A giant Amazonian predator that outgrows almost every home aquarium.
Sumatran Barb
FishNeolissochilus sumatranus
A sleek Sumatran river barb that rewards patient, attentive keepers.
Sumatran Featherback
FishChitala hypselonotus
A massive, air-breathing knifefish from the jungle rivers of Borneo and Sumatra.
Swales' Basslet
FishLiopropoma swalesi
A secretive reef gem that rewards patient, detail-oriented keepers.
Tamasopo Cichlid
FishHerichthys tamasopoensis
A rare Mexican cichlid from crystal-clear limestone rivers, built for hard water.
Tami River Rainbowfish
FishGlossolepis pseudoincisus
A rare New Guinea rainbowfish from a single remote lake, never rediscovered.
Tanganyika Killifish
FishLamprichthys tanganicanus
The only killifish native to Lake Tanganyika, and unlike any other in the family.
Tanganyika Lates
FishLates angustifrons
A massive Lake Tanganyika predator that almost no aquarium can responsibly house.
Tanganyika Tilapia
FishOreochromis tanganicae
Lake Tanganyika's dominant tilapia, rarely seen in home aquariums
T-Barb
FishBarbodes lateristriga
A bold, active barb that needs space and equally robust tankmates.
T-bar Cichlid
FishAmatitlania sajica
A compact Costa Rican cichlid with fierce parental instincts packed into a small frame.
Telescope Goldfish
FishCarassius auratus var. telescope
The dramatically bug-eyed fancy goldfish that trades agility for personality.
Tete Sea Catfish
FishAriopsis seemanni
A venomous, migratory catfish that's far more demanding than its juvenile looks suggest.
Thick-lipped Gourami
FishColisa labiosus
A thick-lipped labyrinth fish from Myanmar with a surprising need for surface air.
Threadfin Acara
FishAcarichthys heckelii
A cichlid with elaborate burrowing spawning behavior unlike almost anything else in the hobby.
Threadfin Anthias
FishNemanthias carberryi
A schooling reef anthias that holds its own unless bullied by tankmates.
Three-spot Damsel
FishDascyllus trimaculatus
A bold reef dweller that gets feistier with every passing year.
Threespot Leporinus
FishLeporinus friderici
A large, fruit-eating South American fish that swims with serious personality.
Tiger Danio
FishInlecypris maetaengensis
A tiny Thai mountain-stream schooler sold as tiger danio, worth a closer look.
Tigerfish
FishHydrocynus vittatus
Razor-toothed river predator that hunts in packs and outgrows almost any tank.
Tinfoil Barb
FishBarbonymus schwanenfeldii
A shimmering river giant that rapidly outgrows most home aquariums.
Tomini Dottyback
FishPictichromis dinar
A tiny but ferocious reef dweller from Sulawesi's deep drop-offs.