Aquariumpro
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🛌Bottom dwellers

Species that spend most of their time on the substrate. Bottom dwellers add movement and interest to an often-overlooked tank zone.

428 species

Spotted Hillstream Loach

Spotted Hillstream Loach

Fish

Gastromyzon punctulatus

A pint-sized Bornean hillstream loach that grazes algae like a tiny lawnmower.

Spotted Hillstream Loach

Spotted Hillstream Loach

Fish

Sewellia speciosa

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

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 Mandarin

Spotted Mandarin

Fish

Synchiropus picturatus

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

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.

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 waterloti

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

Stalsberg's Cichlid

Stalsberg's Cichlid

Fish

Andinoacara stalsbergi

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

Stellate Dragonet

Stellate Dragonet

Fish

Synchiropus stellatus

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

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.

Strawberry

Strawberry

Fish

Apistogramma eremnopyge

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

Striped Eel Catfish

Striped Eel Catfish

Fish

Plotosus lineatus

The only catfish that calls coral reefs home, and it comes armed.

Sturgeon Catfish
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Sturgeon Catfish

Fish

Lamontichthys filamentosus

A whip-finned Amazonian catfish whose fin filaments can outgrow its own body.

Sucker catfish

Sucker catfish

Fish

Otocinclus flexilis

A tiny algae grazer from Brazil with a surprising trick up its sleeve.

Suckermouthed Catfish
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Suckermouthed Catfish

Fish

Hypostomus punctatus

A hardy Brazilian pleco that earns its keep cleaning up algae and debris.

Sulawesi Ricefish

Sulawesi Ricefish

Fish

Oryzias wolasi

A tiny Sulawesi ricefish with glowing color and surprisingly easy breeding habits.

Sumatran Mini Royal Loach

Sumatran Mini Royal Loach

Fish

Kottelatlimia pristes

A tiny blackwater loach from Borneo that punches above its weight in personality.

Sun Loach
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Sun Loach

Fish

Yasuhikotakia eos

A bold, clicking loach from fast Mekong rivers that demands respect and companions.

Sunshine Pleco

Sunshine Pleco

Fish

Scobinancistrus aureatus

A bold, deep-bodied Xingu pleco that earns its place with personality to spare.

Synodontis polli

Synodontis polli

Fish

A rarely seen Tanganyikan catfish that pairs well with rift lake cichlids.

Tailspot corydoras

Tailspot corydoras

Fish

Corydoras caudimaculatus

A tiny armored catfish with a bold tail spot and surprisingly long lifespan.

Taiwanese Hillstream Loach

Taiwanese Hillstream Loach

Fish

Hemimyzon formosanus

A rare Taiwanese hillstream fish that needs company to truly settle in.

Talking Catfish
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Talking Catfish

Fish

Acanthodoras spinosissimus

A armored, sound-making catfish that thrives in good company.

Tamang Borneo sucker

Tamang Borneo sucker

Fish

Hypergastromyzon humilis

A tiny Bornean hillstream loach that crawls rocks instead of swimming

Tanganyika Clown

Tanganyika Clown

Fish

Eretmodus cyanostictus

A wave-zone specialist that hops across rocks and pairs for life.

This appears to be a catalog code rather than a common name. Corydoras pantanalensis is known as 'Pantanal Corydoras' or 'Pantanal Catfish'

This appears to be a catalog code rather than a common name. Corydoras pantanalensis is known as 'Pantanal Corydoras' or 'Pantanal Catfish'

Fish

Corydoras pantanalensis

A long-lived Bolivian cory with a quirky air-gulping habit worth watching for.

Thorn Catfish

Thorn Catfish

Fish

Hassar orestis

A sound-producing doradid catfish that rewards patient keepers with bold group behavior.

Thorny Catfish
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Thorny Catfish

Fish

Rhinodoras dorbignyi

A gentle giant of the Paraná, this armored catfish needs serious space to roam.

Threadfin Eartheater

Threadfin Eartheater

Fish

Geophagus altifrons

A sand-sifting Amazon cichlid that's gentler than its reputation suggests.

Three-ray Bristlenose Pleco

Three-ray Bristlenose Pleco

Fish

Ancistrus triradiatus

A compact, cave-breeding Bristlenose with a surprisingly complex social life.

Threespot Eartheater

Threespot Eartheater

Fish

Satanoperca daemon

A sand-sifting cichlid with bold markings and surprisingly complex social needs.

Tiger Botia

Tiger Botia

Fish

Syncrossus berdmorei

A bold, clicking loach that demands respect and plenty of company.

Tiger loach
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Tiger loach

Fish

Acanthocobitis urophthalmus

A tiny, peaceful bottom-dweller from Sri Lanka's fast-flowing lowland streams.

Tiger Loach

Tiger Loach

Fish

Syncrossus hymenophysa

A boldly barred, sharp-spined loach that demands respect and plenty of company.