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Species

Browsing 819 species. Use the filters below to narrow down.

Scale-eating Pupfish

Scale-eating Pupfish

Fish

Cyprinodon desquamator

A tiny Bahamian pupfish that makes its living stealing scales from other fish.

Scaleless Killifish

Scaleless Killifish

Fish

Aphanius asquamatus

A nearly scaleless relic from a single Turkish lake, built for dedicated keepers.

Scooter Loach

Scooter Loach

Fish

Barbucca diabolica

A belly-crawling 'scooter' loach that rarely leaves the substrate.

Serian Borneo sucker

Serian Borneo sucker

Fish

Gastromyzon scitulus

A tiny Bornean torrent-dweller that clings to rocks and grazes algae in miniature rapids.

Shacra Baril

Shacra Baril

Fish

Barilius shacra

A bold, fast-moving river cyprinid that needs equally robust tankmates to thrive.

Shalyni Barb

Shalyni Barb

Fish

Pethia shalynius

A cool-water hill stream barb with a vivid blue lateral stripe and gentle temperament.

Shark Minnow

Shark Minnow

Fish

Luciosoma bleekeri

A fast-moving surface predator that needs serious space to thrive.

Sharp-nosed Gourami

Sharp-nosed Gourami

Fish

Sphaerichthys acrostoma

A rare Bornean mouthbrooder from blackwater streams, gentle and quirky in equal measure.

Sheep Pacu

Sheep Pacu

Fish

Acnodon normani

A compact pacu with tiger stripes and a bad habit of snacking on scales.

Sheepshead Pupfish

Sheepshead Pupfish

Fish

Cyprinodon variegatus

A tough little pupfish that thrives where most fish would struggle to survive.

Shell-dweller

Shell-dweller

Fish

Neolamprologus similis

Tiny shell-dwelling cichlid with a ferocious personality well above its size.

Shimoga Loach

Shimoga Loach

Fish

Nemachilichthys shimogensis

A rarely seen Indian stream loach that does best with a few of its own kind.

Shortfin Tandan

Shortfin Tandan

Fish

Neosilurus brevidorsalis

A compact Australian bottom-dweller that earns its keep in a peaceful community tank.

Shubunkin Goldfish

Shubunkin Goldfish

Fish

Carassius auratus var. shubunkin

A calico-patterned pond fish built for decades of companionship.

Shy Cory

Shy Cory

Fish

Corydoras gracilis

A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.

Siamese Algae Eater

Siamese Algae Eater

Fish

Crossocheilus atrilimes

The real Siamese algae eater. If you can tell it apart from its lookalikes.

Siamese Algae Eater

Siamese Algae Eater

Fish

Crossocheilus burmanicus

A lesser-known algae eater from Himalayan foothills with a subtle but useful ID feature.

Siamese Algae Eater

Siamese Algae Eater

Fish

Crossocheilus siamensisis

The genuine algae-eating workhorse that actually earns its keep in a planted tank.

Siamese Mud Carp

Siamese Mud Carp

Fish

Gymnostomus siamensis

A plain silver river wanderer that follows the floods across Southeast Asia.

Sidestripe rasbora

Sidestripe rasbora

Fish

Rasbora paviana

A peaceful, stripe-sided stream fish that thrives in groups and suits most community tanks.

Silver Croaker

Silver Croaker

Fish

Plagioscion squamosissimus

A riverside predator built like a torpedo, surprisingly manageable for its size.

Silver Distichodus

Silver Distichodus

Fish

Distichodus affinis

A peaceful Congo schooler that surprises you with vivid red fins at adulthood.

Silver Dollar

Silver Dollar

Fish

Metynnis hypsauchen

A piranha cousin that's actually peaceful, but don't trust it with small fish.

Silver dolphin catfish

Silver dolphin catfish

Fish

Ageneiosus atronasus

A compact Amazonian predator that fits surprisingly well in a community setup.

Silver Hatchet Chela

Silver Hatchet Chela

Fish

Chela cachius

A deep-bodied, lightning-fast schooler from South Asian plains and waterways.

Silver Prochilodus

Silver Prochilodus

Fish

Semaprochilodus taeniurus

A migratory Amazon giant that sifts sediment and schools in impressive numbers.

Silver rasbora

Silver rasbora

Fish

Rasbora dusonensis

A boldly striped schooling rasbora with a vivid yellow tail fin.

Simor Fighter

Simor Fighter

Fish

Betta simorum

A shy wild betta from Indonesian blackwater that rewards patient, dedicated keepers.

Sittang Mystus

Sittang Mystus

Fish

Hemibagrus peguensis

A rarely seen Myanmar catfish with bold spotted flanks and an orange tail.

Sixbar Panchax

Sixbar Panchax

Fish

Epiplatys sexfasciatus

A surface-dwelling West African killifish with bold barring and easy breeding potential.

Six-eyed Tetra

Six-eyed Tetra

Fish

Phenacogaster tegatus

The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.

Sky Blue Borneo sucker

Sky Blue Borneo sucker

Fish

Gastromyzon aeroides

A rare Bornean hillstream loach with vivid blue fins found in almost no aquariums yet.

Sleeper Goby

Sleeper Goby

Fish

Dormitator lebretonis

A West African brackish-water goby with bold adult coloration and an appetite to match.

Slender Danio

Slender Danio

Fish

Brachydanio aesculapii

A tiny, patterned danio from an isolated mountain range few fishkeepers know about.

Slender Danio

Slender Danio

Fish

Brachydanio sp. "TW01"

A lively Myanmarese danio with a bold caudal peduncle mark and plenty of personality.

Slender Danio

Slender Danio

Fish

Brachydanio tinwini

A tiny, spot-patterned danio from a single Myanmar stream.