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Species

Browsing 2,303 species. Use the filters below to narrow down.

Spotted Hillstream Loach

Spotted Hillstream Loach

Fish

Sewellia speciosa

A spotted hillstream loach that's feisty, fascinating, and surprisingly easy to breed.

Spotted Hoplo

Spotted Hoplo

Fish

Megalechis thoracata

A tough, bubble-nesting catfish that breathes air and shrugs off rough conditions.

Spotted Kuhli Loach

Spotted Kuhli Loach

Fish

Pangio muraeniformis

A slithery little bottom-dweller with a bold spotted pattern and a 10-year lifespan.

Spotted leporinus

Spotted leporinus

Fish

Leporinus maculatus

A swift-water Guianan pencilfish relative with a spotted pattern and real personality.

Spotted Mandarin

Spotted Mandarin

Fish

Synchiropus picturatus

A reef gem with striking patterns and a famously picky appetite.

Spotted Metynnis

Spotted Metynnis

Fish

Metynnis maculatus

A schooling cousin of the piranha that mostly just wants to eat your plants.

Spotted Orange Seam Plec

Spotted Orange Seam Plec

Fish

Hemiancistrus guahiborum

A territorial Orinoco plec with vivid orange-edged fins and a fascinating ability to breathe air.

Spotted Pike-characin

Spotted Pike-characin

Fish

Boulengerella maculata

A sleek Amazonian predator that rewards careful tank planning with genuine personality.

Spotted Pimelodus

Spotted Pimelodus

Fish

Pimelodus maculatus

A schooling predatory catfish that needs space, robust tankmates, and careful handling.

Spotted Raphael Catfish

Spotted Raphael Catfish

Fish

Agamyxis pectinifrons

A long-lived, armored Amazon catfish that actually makes noise when handled.

Spotted Shrimp Goby

Spotted Shrimp Goby

Fish

Amblyeleotris guttata

A reef sand specialist that shares its home with an almost-blind shrimp partner.

Spotted silver dollar

Spotted silver dollar

Fish

Metynnis lippincottianus

The piranha cousin with spots and a peaceful disposition that surprises most keepers.

Spotted Snakehead

Spotted Snakehead

Fish

Channa punctata

A compact, hardy snakehead that breathes air and takes no nonsense from tankmates.

Spotted Tilapia

Spotted Tilapia

Fish

Tilapia mariae

A bold West African cichlid with serious parenting instincts and a territorial streak.

Spotted Toby

Spotted Toby

Fish

Canthigaster solandri

A compact reef puffer with vivid spotted patterning and a surprisingly mild temperament.

Squaretail Bristletooth

Squaretail Bristletooth

Fish

Ctenochaetus truncatus

A compact Indian Ocean grazer that earns its keep on nuisance algae.

Squeaker

Squeaker

Fish

Synodontis multipunctata

The catfish that tricks cichlids into raising its young for it.

Squeaker Catfish

Squeaker Catfish

Fish

Synodontis robbianus

A compact, hardy West African catfish that's surprisingly manageable for beginners.

Squeaker Catfish

Squeaker Catfish

Fish

Synodontis waterloti

A rarely seen West African catfish with serrated fins and bold personality.

Sri Lanka Kamalika's Barb.

Sri Lanka Kamalika's Barb.

Fish

Puntius kamalika

A quietly attractive Sri Lankan barb that earns its keep without demanding much.

Stalsberg's Cichlid

Stalsberg's Cichlid

Fish

Andinoacara stalsbergi

A Pacific-slope cichlid built for hard, alkaline, and even brackish water.

Starry Triggerfish

Starry Triggerfish

Fish

Abalistes stellaris

A surprisingly beginner-friendly triggerfish with bold spots and serious size.

Steindachner's Dwarf Cichlid

Steindachner's Dwarf Cichlid

Fish

Apistogramma steindachneri

A harem-breeding dwarf cichlid with bold lateral markings from Guiana's rivers.

Stellate Dragonet

Stellate Dragonet

Fish

Synchiropus stellatus

A pint-sized predator from Indian Ocean reefs, built for life among the rubble.

Stellate Puffer

Stellate Puffer

Fish

Arothron stellatus

The largest puffer in the world, built like a torpedo with a beak to match.

Sterba's Cory

Sterba's Cory

Fish

Corydoras sterbai

A long-lived, peaceful catfish that does everything better in a group.

Stick Catfish

Stick Catfish

Fish

Acestridium dichromum

A twig-mimicking catfish from blackwater Orinoco rivers, rarely seen in the trade.

Stinging Catfish

Stinging Catfish

Fish

Heteropneustes fossilis

A tough, air-breathing catfish that comes with a genuinely painful warning.

Stocky Anthias

Stocky Anthias

Fish

Pseudanthias hypselosoma

A robust, gregarious anthias that thrives in calmer reef lagoons across the Indo-Pacific.

Strawberry

Strawberry

Fish

Apistogramma eremnopyge

A tiny Peruvian cichlid with a dark tail blotch and surprisingly complex social needs.

Strawberry Rasbora

Strawberry Rasbora

Fish

Boraras naevus

A thumbnail-sized Thai rasbora with bold body blotches and big personality in groups.

Strawberry Spot Sucker Loach

Strawberry Spot Sucker Loach

Fish

Erromyzon sp. "Red Spots"

A rarely identified hillstream loach with bold red spots and fascinating spawning behavior.

Stripeback Hap

Stripeback Hap

Fish

Buccochromis nototaenia

A rarely seen Malawi predator that hunts cichlids over open sand flats.

Striped barb

Striped barb

Fish

Puntius lineatus

A peaceful Bornean barb that shows its best colors in a proper school.

Striped Burrfish

Striped Burrfish

Fish

Chilomycterus schoepfii

A spiny, permanently-armed puffer relative that never needs to inflate to look the part.

Striped Catfish

Striped Catfish

Fish

Pangasionodon hypophthalmus

Sold as a tiny silver juvenile, grows into a tank-busting giant.