Aquariumpro
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RegionFreshwater

Amazon & South America

The Amazon basin and its sister rivers (Orinoco, Xingu, Tapajós) — home to tetras, cichlids, catfish, and many of the hobby's most iconic freshwater species.

642 species

Loretoensi Cory or Loretoensis Cory
✨AI

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.

Loreto Tetra

Loreto Tetra

Fish

Hyphessobrycon loretoensis

A tiny Peruvian tetra with a vivid red tail that shines in a well-planted school.

Loricaria simillima
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Loricaria simillima

Fish

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

Lugubria tigrina

Lugubria tigrina

Fish

Crenicichla tigrina

A boldly patterned Amazonian pike cichlid that rarely shows up in the trade.

Lyretail Apistogramma

Lyretail Apistogramma

Fish

Apistogramma pantalone

A tiny Peruvian dwarf cichlid with courtship rituals unlike any other Apistogramma.

Lyre-tail Pleco
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Lyre-tail Pleco

Fish

Acanthicus hystrix

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

Macmaster's Dwarf Cichlid

Macmaster's Dwarf Cichlid

Fish

Apistogramma macmasteri

A compact Colombian cichlid with big personality and fascinating cave-breeding behavior.

Macropterus Cory

Macropterus Cory

Fish

Scleromystax macropterus

A cool-water armored catfish with a bold personality and a venomous surprise

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

Manduba, Slopehead Catfish
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Manduba, Slopehead Catfish

Fish

Ageneiosus inermis

A giant, predatory catfish with one of the most unusual reproductive strategies in freshwater.

Marbled Hatchetfish

Marbled Hatchetfish

Fish

Carnegiella strigata

A deep-keeled surface dweller that brings life to the upper third of any tank.

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.

Masken Apisto
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Masken Apisto

Fish

Apistogramma paulmuelleri

A tiny Peruvian dwarf cichlid with outsized color and surprisingly bold personality.

Maulbrüter Apisto

Maulbrüter Apisto

Fish

Apistogramma barlowi

The only Apistogramma that mouthbroods. Or doesn't, depending on its mood.

Medusa pleco

Medusa pleco

Fish

Ancistrus ranunculus

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

MEGA Orange Dwarf Cichlid (Apistogramma cacatuoide) - Tank Bred

MEGA Orange Dwarf Cichlid (Apistogramma cacatuoide) - Tank Bred

Fish

Apistogramma cacatuoide

A selectively bred cockatoo cichlid dripping in vivid orange from dorsal to tail.

Mendezi Dwarf Cichlid

Mendezi Dwarf Cichlid

Fish

Apistogramma mendezi

A blackwater dwarf cichlid with a surprisingly gentle nature and fascinating cave-breeding habits.

Menezesi Cory

Menezesi Cory

Fish

Aspidoras menezesi

A tiny Brazilian catfish with a surprisingly long lifespan and a Corydoras personality.

Meta Tetra
✨AI

Meta Tetra

Fish

Hyphessobrycon metae

A tricky-to-identify Orinoco tetra that rewards patient, well-planned community tanks.

Mexican Tetra

Mexican Tetra

Fish

Astyanax fasciatus

A bold, wide-ranging tetra with a predatory streak that surprises many keepers.

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-piranha
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Mini-piranha

Fish

Serrasalmus sanchezi

A misidentified mini-piranha relative with razor teeth and a fiery red throat.

Minor Tetra

Minor Tetra

Fish

Hyphessobrycon minor

A peaceful little tetra from Guyana that's seldom seen in the hobby.

Molly

Molly

Fish

Poecilia sphenops

A livebearer classic that can thrive from freshwater all the way to full marine conditions.

Mosaic Corydoras

Mosaic Corydoras

Fish

Corydoras haraldschultzi

A long-lived armored catfish with detailed reticulated markings and a surprisingly social personality.

Moustache Catfish
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Moustache Catfish

Fish

Auchenipterus nuchalis

A surface-roaming catfish with bizarre ossified barbels and secretive nocturnal habits.

Mystery Snail

Mystery Snail

Invert

Pomacea bridgesii

A peaceful, algae-grazing snail that comes in a rainbow of shell colors.

Naked Characin
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Naked Characin

Fish

Gymnocharacinus bergi

A scaleless South American oddity from one of the world's most isolated streams.

Neon Tetra

Neon Tetra

Fish

Paracheirodon innesi

The fish that turned millions of people into aquarium keepers.

Network Cory

Network Cory

Fish

Corydoras reticulatus

A fine-patterned bottom dweller that lives surprisingly long in good company.

Network Pleco

Network Pleco

Fish

Hypancistrus sp. "L066"

A boldly patterned pleco with a variable maze-like network across its body.

Nijssen's cory
✨AI

Nijssen's cory

Fish

Corydoras nijsseni

A rare Rio Negro cory with bold patterning and a surprisingly long lifespan.

Northern longsnose cory

Northern longsnose cory

Fish

Corydoras septentrionalis

A long-lived Orinoco bottom-dweller that breathes air and blinks at you.