Species
Browsing 1,801 species. Use the filters below to narrow down.
Silver-tipped Tetra
FishHasemania nana
A glittering, lively little tetra that plays well with almost everyone.
Simor Fighter
FishBetta simorum
A shy wild betta from Indonesian blackwater that rewards patient, dedicated keepers.
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.
Six-eyed Tetra
FishPhenacogaster tegatus
The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.
Skunk Corydoras
FishCorydoras arcuatus
A boldly striped little catfish that breathes air and moves in cheerful gangs.
Skunk Loach
FishYasuhikotakia morleti
A feisty, burrowing loach with complex social behavior and a bold personality.
Sky Blue Borneo sucker
FishGastromyzon aeroides
A rare Bornean hillstream loach with vivid blue fins found in almost no aquariums yet.

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 aesculapii
A tiny, patterned danio from an isolated mountain range few fishkeepers know about.
Slender Danio
FishBrachydanio sp. "TW01"
A lively Myanmarese danio with a bold caudal peduncle mark and plenty of personality.
Slender Danio
FishBrachydanio tinwini
A tiny, spot-patterned danio from a single Myanmar stream.
Slender Danios
FishBrachydanio feegradei
A lively schooling danio from Myanmar's isolated western mountains.
Slender Danios
FishBrachydanio kyathit
A small Burmese danio with variable patterning that keeps hobbyists guessing.
Slender Danios
FishBrachydanio sp. "Hikari"
A peaceful schooler from Myanmar with a taxonomic twist hiding in its stripes.
Slender Hemiodus
FishHemiodus gracilis
A fast-moving Amazon schooler that thrives in large, active biotope communities.
Slender Lungfish
FishProtopterus dolloi
A living fossil that breathes air and can crawl across dry land.
Slender Piranha
FishSerrasalmus elongatus
A sleek, solitary predator that's one of the easiest piranhas to identify correctly.
Slender Rainbowfish
FishMelanotaenia gracilis
A rare, slender Australian rainbow from one of the continent's most remote river systems.
Slender Tail Hap
FishBuccochromis lepturus
A rarely seen Lake Malawi predator that hunts juvenile cichlids on sandy flats.
Slimy Loach
FishPangio myersi
A social, eel-like loach that piles into hiding spots with its companions.
Slobbering Catfish
FishBrachyplatystoma platynemum
A rarely-seen Amazonian giant named for its unusually thick, drooping barbels.
Smallfin Fighter
FishBetta miniopinna
A tiny, dark peat-swamp Betta with vivid red pelvic fins and a gentle nature.
Smallscale Archerfish
FishToxotes microlepis
The freshwater archer that hunts insects by spitting water with sniper precision.
Smokey Glass Catfish
FishKryptopterus cryptopterus
A ghostly schooling catfish that disappears against the current
Smudge spot cory
FishCorydoras similis
A small armored catfish that breathes air and thrives in a lively group.
Snail-crusher Hap
FishTrematocranus placodon
A snail-crushing Lake Malawi hap with a specialist trick most cichlids lack.
Snakehead Betta
FishBetta channoides
A tiny, peaceful mouthbrooder from Borneo's blackwater forest streams.
Snakeskin Barb
FishDesmopuntius rhomboocellatus
A peaceful Bornean barb that really comes alive in a proper-sized school.
Snake-skin Gourami
FishTrichopodus pectoralis
A big, peaceful gourami with wild origins in the flooded forests of Southeast Asia.
Snakeskin Gourami
FishTrichogaster pectoralis
A gentle giant gourami that thrives where few fish could survive.
Snowball Pleco
FishBaryancistrus sp. "L142"
A boldly spotted Amazonian pleco that gets feisty as it grows up.