Species
Browsing 819 species. Use the filters below to narrow down.
Scale-eating Pupfish
FishCyprinodon desquamator
A tiny Bahamian pupfish that makes its living stealing scales from other fish.
Scaleless Killifish
FishAphanius asquamatus
A nearly scaleless relic from a single Turkish lake, built for dedicated keepers.
Scooter Loach
FishBarbucca diabolica
A belly-crawling 'scooter' loach that rarely leaves the substrate.
Serian Borneo sucker
FishGastromyzon scitulus
A tiny Bornean torrent-dweller that clings to rocks and grazes algae in miniature rapids.
Shacra Baril
FishBarilius shacra
A bold, fast-moving river cyprinid that needs equally robust tankmates to thrive.
Shalyni Barb
FishPethia shalynius
A cool-water hill stream barb with a vivid blue lateral stripe and gentle temperament.
Shark Minnow
FishLuciosoma bleekeri
A fast-moving surface predator that needs serious space to thrive.
Sharp-nosed Gourami
FishSphaerichthys acrostoma
A rare Bornean mouthbrooder from blackwater streams, gentle and quirky in equal measure.
Sheep Pacu
FishAcnodon normani
A compact pacu with tiger stripes and a bad habit of snacking on scales.
Sheepshead Pupfish
FishCyprinodon variegatus
A tough little pupfish that thrives where most fish would struggle to survive.
Shell-dweller
FishNeolamprologus similis
Tiny shell-dwelling cichlid with a ferocious personality well above its size.
Shimoga Loach
FishNemachilichthys shimogensis
A rarely seen Indian stream loach that does best with a few of its own kind.
Shortfin Tandan
FishNeosilurus brevidorsalis
A compact Australian bottom-dweller that earns its keep in a peaceful community tank.
Shubunkin Goldfish
FishCarassius auratus var. shubunkin
A calico-patterned pond fish built for decades of companionship.
Shy Cory
FishCorydoras gracilis
A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.
Siamese Algae Eater
FishCrossocheilus atrilimes
The real Siamese algae eater. If you can tell it apart from its lookalikes.
Siamese Algae Eater
FishCrossocheilus burmanicus
A lesser-known algae eater from Himalayan foothills with a subtle but useful ID feature.
Siamese Algae Eater
FishCrossocheilus siamensisis
The genuine algae-eating workhorse that actually earns its keep in a planted tank.
Siamese Mud Carp
FishGymnostomus siamensis
A plain silver river wanderer that follows the floods across Southeast Asia.
Sidestripe rasbora
FishRasbora paviana
A peaceful, stripe-sided stream fish that thrives in groups and suits most community tanks.
Silver Croaker
FishPlagioscion squamosissimus
A riverside predator built like a torpedo, surprisingly manageable for its size.
Silver Distichodus
FishDistichodus affinis
A peaceful Congo schooler that surprises you with vivid red fins at adulthood.
Silver Dollar
FishMetynnis hypsauchen
A piranha cousin that's actually peaceful, but don't trust it with small fish.
Silver dolphin catfish
FishAgeneiosus atronasus
A compact Amazonian predator that fits surprisingly well in a community setup.
Silver Hatchet Chela
FishChela cachius
A deep-bodied, lightning-fast schooler from South Asian plains and waterways.
Silver Prochilodus
FishSemaprochilodus taeniurus
A migratory Amazon giant that sifts sediment and schools in impressive numbers.
Silver rasbora
FishRasbora dusonensis
A boldly striped schooling rasbora with a vivid yellow tail fin.
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.
Sixbar Panchax
FishEpiplatys sexfasciatus
A surface-dwelling West African killifish with bold barring and easy breeding potential.
Six-eyed Tetra
FishPhenacogaster tegatus
The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.
Sky Blue Borneo sucker
FishGastromyzon aeroides
A rare Bornean hillstream loach with vivid blue fins found in almost no aquariums yet.
Sleeper Goby
FishDormitator lebretonis
A West African brackish-water goby with bold adult coloration and an appetite to match.
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.