Species
Browsing 1,329 species. Use the filters below to narrow down.
Spotted Lagoon Jelly
InvertMastigias papua
A photosynthetic jellyfish from Palau's legendary landlocked lake.
Spotted Metynnis
FishMetynnis maculatus
A schooling cousin of the piranha that mostly just wants to eat your plants.
Spotted Raphael Catfish
FishAgamyxis pectinifrons
A long-lived, armored Amazon catfish that actually makes noise when handled.
Spotted Shrimp Goby
FishAmblyeleotris guttata
A reef sand specialist that shares its home with an almost-blind shrimp partner.
Spotted silver dollar
FishMetynnis lippincottianus
The piranha cousin with spots and a peaceful disposition that surprises most keepers.
Squamosa Clam
InvertTridacna squamosa
A beginner-friendly giant clam with dramatic, fluted shell edges and vivid mantle colors.
Squaretail Bristletooth
FishCtenochaetus truncatus
A compact Indian Ocean grazer that earns its keep on nuisance algae.
Sri Lanka Kamalika's Barb.
FishPuntius kamalika
A quietly attractive Sri Lankan barb that earns its keep without demanding much.
Staghorn Coral
CoralAcropora austera
A branching reef-builder that demands turbulent water and intense light to thrive.
Starlet Sea Star
InvertAsterina gibbosa
A tiny, hardy sea star that's more interesting than it first appears.
Star Snail
InvertAstraea tecta
A tireless reef tank janitor that scrapes algae from glass and rock with quiet efficiency.
Stellate Dragonet
FishSynchiropus stellatus
A pint-sized predator from Indian Ocean reefs, built for life among the rubble.
Sterba's Cory
FishCorydoras sterbai
A long-lived, peaceful catfish that does everything better in a group.
Stick Catfish
FishAcestridium dichromum
A twig-mimicking catfish from blackwater Orinoco rivers, rarely seen in the trade.
Stocky Anthias
FishPseudanthias hypselosoma
A robust, gregarious anthias that thrives in calmer reef lagoons across the Indo-Pacific.
Strawberry Anemone
CoralCorynactis annulata
A tough, colorful corallimorpharian that thrives where most corals struggle.
Strawberry Anemone
CoralCorynactis californica
A Pacific anemone lookalike that carpets rocky reefs in vivid, candy-like clusters.
Strawberry Rasbora
FishBoraras naevus
A thumbnail-sized Thai rasbora with bold body blotches and big personality in groups.
Strawberry Spot Sucker Loach
FishErromyzon sp. "Red Spots"
A rarely identified hillstream loach with bold red spots and fascinating spawning behavior.
Striped barb
FishPuntius lineatus
A peaceful Bornean barb that shows its best colors in a proper school.
Striped mud carp
FishGymnostomus lineatus
A floodplain grazer with faint lateral stripes and a wandering lifestyle.
Striped Raphael
FishPlatydoras armatulus
The catfish that actually talks. And you can hear it through the glass.
Striped Silver Dollar
FishMetynnis fasciatus
A compact, banded silver dollar from the heart of the Amazon basin.
Sturgeon Catfish
FishLamontichthys filamentosus
A whip-finned Amazonian catfish whose fin filaments can outgrow its own body.
Sturgeon Catfish
FishPlatystomatichthys sturio
A skittish Amazon catfish with a peculiar profile and surprising longevity.
Sucker Barb
FishBarbichthys laevis
A gentle giant barb that grazes its way through Southeast Asian rivers.
Sucker catfish
FishOtocinclus flexilis
A tiny algae grazer from Brazil with a surprising trick up its sleeve.
Suckermouth Catfishes
FishHypostomus sp
Ancient armored grazers from one of South America's most remote wild places.
Suckermouth Catfishes
FishHypostomus sp. "L231"
A mysterious Peruvian pleco whose identity still has scientists guessing.
Suckermouthed Catfish
FishHypostomus punctatus
A hardy Brazilian pleco that earns its keep cleaning up algae and debris.
Sulawesi Ricefish
FishOryzias eversi
A tiny Sulawesi ricefish with a fascinating pelvic-brooding trick.
Sulawesi Ricefish
FishOryzias wolasi
A tiny Sulawesi ricefish with glowing color and surprisingly easy breeding habits.
Sulphurhead
FishAulonocara maylandi maylandi
A gentle Malawi cichlid with a vivid yellow streak down its back.
Sumatran Barb
FishNeolissochilus sumatranus
A sleek Sumatran river barb that rewards patient, attentive keepers.
Sumatran Mini Royal Loach
FishKottelatlimia pristes
A tiny blackwater loach from Borneo that punches above its weight in personality.
Sun Coral
CoralTubastraea coccinea
Brilliant orange polyps that only open at night. And demand to be fed.