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Species

Browsing 1,126 species. Use the filters below to narrow down.

Silver Tetra

Silver Tetra

Fish

Gymnocorymbus bondi

A peaceful Orinoco schooler that's more interesting than its plain adult looks suggest.

Silver-tipped Tetra

Silver-tipped Tetra

Fish

Hasemania nana

A glittering, lively little tetra that plays well with almost everyone.

Simor Fighter

Simor Fighter

Fish

Betta simorum

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

Six-eyed Tetra

Six-eyed Tetra

Fish

Phenacogaster tegatus

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

Skunk Corydoras

Skunk Corydoras

Fish

Corydoras arcuatus

A boldly striped little catfish that breathes air and moves in cheerful gangs.

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 tinwini

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

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 Hemiodus

Slender Hemiodus

Fish

Hemiodus gracilis

A fast-moving Amazon schooler that thrives in large, active biotope communities.

Slender Rainbowfish

Slender Rainbowfish

Fish

Melanotaenia gracilis

A rare, slender Australian rainbow from one of the continent's most remote river systems.

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.

Smokey Glass Catfish

Smokey Glass Catfish

Fish

Kryptopterus cryptopterus

A ghostly schooling catfish that disappears against the current

Smudge spot cory

Smudge spot cory

Fish

Corydoras similis

A small armored catfish that breathes air and thrives in a lively group.

Snakehead Betta

Snakehead Betta

Fish

Betta channoides

A tiny, peaceful mouthbrooder from Borneo's blackwater forest streams.

Snakeskin Barb

Snakeskin Barb

Fish

Desmopuntius rhomboocellatus

A peaceful Bornean barb that really comes alive in a proper-sized school.

Snakeskin Gourami

Snakeskin Gourami

Fish

Trichogaster pectoralis

A gentle giant gourami that thrives where few fish could survive.

Snowball Pleco

Snowball Pleco

Fish

Baryancistrus sp. "L142"

A boldly spotted Amazonian pleco that gets feisty as it grows up.

Snowball Pleco

Snowball Pleco

Fish

Hypancistrus inspector

Bold spotted pleco from Venezuelan rapids, compact enough for a mid-size tank.

Snyder's Barb

Snyder's Barb

Fish

Puntius snyderi

Taiwan's little-known barb that rivals the golden barb in looks but rarely in fame.

Social Fairy Wrasse

Social Fairy Wrasse

Fish

Cirrhilabrus rubriventralis

A jewel-toned Red Sea wrasse that dances through the water column in groups.

Somphongs's Rasbora

Somphongs's Rasbora

Fish

Trigonostigma somphongsi

One of the rarest aquarium fish alive, rescued from the edge of extinction.

Sorong Rainbowfish

Sorong Rainbowfish

Fish

Melanotaenia fredericki

A compact Indonesian rainbowfish with vivid color that rewards attentive keepers.

Southern Sailfin Catfish

Southern Sailfin Catfish

Fish

Pterygoplichthys anisitsi

A prehistoric-looking giant that moonlights as your tank's cleanup crew.

Sparkling Gourami

Sparkling Gourami

Fish

Trichopsis pumila

Tiny gourami that settles disputes by croaking like a miniature frog

Spilotus Cory

Spilotus Cory

Fish

Aspidoras spilotus

A tiny Brazilian cory relative that can gulp air when needed.

Spiny Stream Pleco

Spiny Stream Pleco

Fish

Hypostomus latifrons

A hardy Paraguayan armored catfish with a surprising ability to breathe air.

Splash Tetra

Splash Tetra

Fish

Copella arnoldi

The fish that leaps out of water to lay eggs on leaves above the surface.

Splash Tetra

Splash Tetra

Fish

Copella carsevennensis

A tiny surface-dweller with one of the most acrobatic spawning rituals in freshwater fishkeeping.

Splendid Killifish

Splendid Killifish

Fish

Aphanius splendens

A rare Turkish killifish relative worth keeping for conservation as much as curiosity.

Splendid Rainbow Wrasse

Splendid Rainbow Wrasse

Fish

Halichoeres marginatus

A reef wrasse that shifts from drab to vivid as it matures.

Spotcheek Cichlid

Spotcheek Cichlid

Fish

Thorichthys maculipinnis

A gentle Central American cichlid that surprises with its delicate spotted fins.

Spottail Killifish

Spottail Killifish

Fish

Heterandria bimaculata

A bold Central American livebearer with attitude to match its size.

Spotted

Spotted

Fish

Sewellia sp. "SEW01"

A bold hillstream loach from Vietnam with a spotted pattern and real personality.

Spotted Barb

Spotted Barb

Fish

Barbodes binotatus

A wide-ranging Asian barb with a surprisingly variable spotted pattern.