Species
Browsing 507 species. Use the filters below to narrow down.
Shimoga Loach
FishNemachilichthys shimogensis
A rarely seen Indian stream loach that does best with a few of its own kind.
Short-lined Pyrrhulina
FishPyrrhulina brevis
A compact Amazonian predator with surprising personality for its size.
Silver Arawana
FishOsteoglossum bicirrhosum
An ancient, leaping predator that quickly outgrows almost every home aquarium.
Silver dolphin catfish
FishAgeneiosus atronasus
A compact Amazonian predator that fits surprisingly well in a community setup.
Sittang Mystus
FishHemibagrus peguensis
A rarely seen Myanmar catfish with bold spotted flanks and an orange tail.
Six-banded Distichodus
FishDistichodus sexfasciatus
A boldly striped river giant that outgrows most aquariums and most owners' expectations.
Sixbar Panchax
FishEpiplatys sexfasciatus
A surface-dwelling West African killifish with bold barring and easy breeding potential.
Sixbar Panchax
FishEpiplatys sexfasciatus sexfasciatus
A sleek African killifish that hunts from the surface with cool precision.
Skunk Loach
FishYasuhikotakia morleti
A feisty, burrowing loach with complex social behavior and a bold personality.

Sleeper
FishNimbochromis livingstonii
The Lake Malawi cichlid that fakes its own death to ambush prey.
Sleeper Goby
FishDormitator lebretonis
A West African brackish-water goby with bold adult coloration and an appetite to match.
Slender Betta
FishBetta bellica
A slender peat swamp betta that rewards patient, thoughtful keepers
Slender Danio
FishBrachydanio sp. "TW01"
A lively Myanmarese danio with a bold caudal peduncle mark and plenty of personality.
Slender Danios
FishBrachydanio feegradei
A lively schooling danio from Myanmar's isolated western mountains.
Smallscale Archerfish
FishToxotes microlepis
The freshwater archer that hunts insects by spitting water with sniper precision.
Snake-skin Gourami
FishTrichopodus pectoralis
A big, peaceful gourami with wild origins in the flooded forests of Southeast Asia.
Spangled Cichlid
FishAcaronia vultuosa
A compact Orinoco predator that punches above its weight in planted setups.
Spanish Toothcarp
FishAphanius iberus
A rare Mediterranean killifish worth keeping for conservation as much as curiosity.
Spiketail Paradise Fish
FishPseudosphromenus cupanus
A shy, small labyrinth fish with secretive bubble-nesting habits worth watching.
Splendid Killifish
FishAphyosemion splendopleure
A jewel of West African rainforest streams that rewards patient, dedicated keepers.
Spotfin Goby Cichlid
FishTanganicodus irsacae
A wave-zone specialist that hops across rocks like no other cichlid.
Spotfin Spiny Eel
FishMacrognathus siamensis
A slender, burrowing oddity with a row of false eyes along its back.
Spot-tail
FishBrycinus imberi
A wide-ranging African schooler that brings energy and size to larger tanks.
Spotted garra
FishGarra spilota
A reddish-finned Burmese stream fish with boldly blotched flanks and genuine personality.
Spotted Hampala Barb
FishHampala dispar
A fast-moving Mekong predator that stays manageable enough for a large community tank.
Spotted leporinus
FishLeporinus maculatus
A swift-water Guianan pencilfish relative with a spotted pattern and real personality.
Spotted Pimelodus
FishPimelodus maculatus
A schooling predatory catfish that needs space, robust tankmates, and careful handling.
Squeaker
FishSynodontis multipunctata
The catfish that tricks cichlids into raising its young for it.
Squeaker Catfish
FishSynodontis waterloti
A rarely seen West African catfish with serrated fins and bold personality.
Stalsberg's Cichlid
FishAndinoacara stalsbergi
A Pacific-slope cichlid built for hard, alkaline, and even brackish water.
Steindachner's Dwarf Cichlid
FishApistogramma steindachneri
A harem-breeding dwarf cichlid with bold lateral markings from Guiana's rivers.
Stinging Catfish
FishHeteropneustes fossilis
A tough, air-breathing catfish that comes with a genuinely painful warning.
Strawberry
FishApistogramma eremnopyge
A tiny Peruvian cichlid with a dark tail blotch and surprisingly complex social needs.
Striped Catfish
FishPangasionodon hypophthalmus
Sold as a tiny silver juvenile, grows into a tank-busting giant.
Striped Dwarf Cichlid
FishPelvicachromis taeniatus
A cave-spawning West African dwarf cichlid with vivid breeding colors and real personality.
Striped Flying Barb
FishEsomus metallicus
A slender, surface-loving schooler with famously long barbels and a feisty streak.