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Species

Browsing 854 species. Use the filters below to narrow down.

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 Mudskipper

Silver Mudskipper

Fish

Periophthalmus argentilineatus

The fish that climbs trees and spends more time on land than in water.

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.

Slender Danios

Slender Danios

Fish

Brachydanio feegradei

A lively schooling danio from Myanmar's isolated western mountains.

Slender Danios

Slender Danios

Fish

Brachydanio kyathit

A small Burmese danio with variable patterning that keeps hobbyists guessing.

Slender Danios

Slender Danios

Fish

Brachydanio sp. "Hikari"

A peaceful schooler from Myanmar with a taxonomic twist hiding in its stripes.

Slender Piranha

Slender Piranha

Fish

Serrasalmus elongatus

A sleek, solitary predator that's one of the easiest piranhas to identify correctly.

Slimy Loach

Slimy Loach

Fish

Pangio myersi

A social, eel-like loach that piles into hiding spots with its companions.

Smallfin Fighter

Smallfin Fighter

Fish

Betta miniopinna

A tiny, dark peat-swamp Betta with vivid red pelvic fins and a gentle nature.

Smallscale Archerfish

Smallscale Archerfish

Fish

Toxotes microlepis

The freshwater archer that hunts insects by spitting water with sniper precision.

Smokey Glass Catfish

Smokey Glass Catfish

Fish

Kryptopterus cryptopterus

A ghostly schooling catfish that disappears against the current