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

Lizard Loach

Lizard Loach

Fish

Homalopteroides smithi

A rock-clinging hill stream loach that crawls and hops like a tiny lizard.

Lizard Loach
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Lizard Loach

Fish

Homalopterula gymnogaster

A tiny Sumatran hillstream loach that crawls and hops across rocks like a lizard.

Lizard Loach

Lizard Loach

Fish

Neohomaloptera johorensis

A tiny, orange hillstream loach that crawls and hops rather than swims.

Lizard Loaches

Lizard Loaches

Fish

Homaloptera parclitella

A flat-bodied Malay hillstream loach that crawls and hops across rocks like a tiny lizard.

Loktak Loach

Loktak Loach

Fish

Lepidocephalichthys irrorata

A rarely traded Indian loach with hidden spines and subtle charm.

Long-faced Loach
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Long-faced Loach

Fish

Acantopsis octoactinotos

A slender, sand-diving loach with a distinctively elongated snout.

Long nosed arched cory

Long nosed arched cory

Fish

Corydoras narcissus

A long-snouted cory from the Amazon, rarely seen and worth the search.

Long-nosed Cory
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Long-nosed Cory

Fish

Corydoras semiaquilis

A peaceful bottom-dweller from Peru that thrives in sociable groups.

Long whiskers catfish

Long whiskers catfish

Fish

Mystus gulio

A schooling brackish catfish that grows surprisingly large and breathes air.

Loretoensi Cory or Loretoensis Cory
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Loretoensi Cory or Loretoensis Cory

Fish

Corydoras loretoensis

A long-finned little bottom-dweller that thrives in lively, social groups.

Loreto panda cory

Loreto panda cory

Fish

Corydoras ortegai

A tiny armored catfish from Peru that breathes air and blinks at you.

Loricaria simillima
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Loricaria simillima

Fish

A whiptail catfish with one of the most striking breeding behaviors in the hobby.

Lyre-tail Pleco
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Lyre-tail Pleco

Fish

Acanthicus hystrix

A giant, armor-plated catfish that outgrows almost every home aquarium.

Magnum Pleco
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Magnum Pleco

Fish

Baryancistrus chrysolomus

A boldly finned Xingu catfish that earns its territorial reputation with age.

Mailed Cory

Mailed Cory

Fish

Corydoras amandajanea

A rare armored catfish from the Negro River that occasionally breathes air

Malawi Squeaker

Malawi Squeaker

Fish

Synodontis njassae

Lake Malawi's only squeaker, built for cichlid tanks and rocky hideouts.

Malawi Thick-lipped Cichlid
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Malawi Thick-lipped Cichlid

Fish

Abactochromis labrosus

A rock-dwelling Malawi cichlid with an unusually approachable temperament for the genus.

Malayan Loach

Malayan Loach

Fish

Pangio semicincta

The fish sold as kuhli loach is almost certainly this one instead.

Mandarin Dragonet

Mandarin Dragonet

Fish

Synchiropus splendidus

One of the most vividly colored fish on the reef, and one of the trickiest to keep.

Mario's cory
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Mario's cory

Fish

Corydoras pinheiroi

A rare Amazonian cory that can breathe air and live for decades.

Maroon Clownfish

Maroon Clownfish

Fish

Premnas biaculeatus

The boldest clownfish in the hobby, and it knows it.

Mccosker's Flasher

Mccosker's Flasher

Fish

Paracheilinus mccoskeri

A tiny reef wrasse where the males put on a color show like no other.

Mcculloch's Anemonefish

Mcculloch's Anemonefish

Fish

Amphiprion mccullochi

A rare island endemic with a bold personality that punches well above its size.

Medusa pleco

Medusa pleco

Fish

Ancistrus ranunculus

A flat-headed, rock-hugging pleco from Brazil's wild river rapids.

Mekong Bumblebee Goby
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Mekong Bumblebee Goby

Fish

Brachygobius mekongensis

A pint-sized brackish goby with bold banded markings and a big personality.

Mekong Giant Catfish
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Mekong Giant Catfish

Fish

Pangasianodon gigas

One of the largest freshwater fish on Earth, and critically endangered.

Meteor Basslet

Meteor Basslet

Fish

Liopropoma susumi

A secretive reef cave-dweller with bold pinstripes and peaceful manners.

Mexican Barnacle Blenny

Mexican Barnacle Blenny

Fish

Acanthemblemaria macrospilus

A pint-sized reef blenny that claims abandoned barnacle shells as its castle.

Micro Cory

Micro Cory

Fish

Corydoras hastatus

Tiny armored catfish that defies its family by cruising the midwater column.

Millennium Cory

Millennium Cory

Fish

Corydoras spectabilis

The 'millennium cory'. A peaceful schooler with spotted flair from Brazil's Guaporé basin.

Mini Chocolate Gourami

Mini Chocolate Gourami

Fish

Parasphaerichthys lineatus

A tiny Burmese labyrinth fish with some of the most unpredictable breeding behavior in the hobby.

Moore's Lamprologus

Moore's Lamprologus

Fish

Variabilichromis moorii

A Lake Tanganyika rockdweller with a fascinating family life and devious brood tactics.

Moth Catfish
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Moth Catfish

Fish

Hara jerdoni

A moth-like micro catfish from Indian hill streams, best kept in groups.

Mottled Loach

Mottled Loach

Fish

Acanthocobitis botia

A peaceful, quirky bottom-dweller with a false eye that fools predators.

Mountain Barbel
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Mountain Barbel

Fish

Amphilius platychir

A sleek African stream catfish built for life in fast, rocky currents.

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Moustache Jawfish

Fish

Opistognathus lonchurus

A bold little burrower with a face full of personality.