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Species

Browsing 951 species. Use the filters below to narrow down.

Mekong Freshwater Stingray

Mekong Freshwater Stingray

Fish

Dasyatis laosensis

A true river stingray from the Mekong, built for life on sandy bottoms.

Mekong Giant Catfish

Mekong Giant Catfish

Fish

Pangasianodon gigas

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

Mekong Ricefish

Mekong Ricefish

Fish

Oryzias mekongensis

A tiny Mekong native with vivid fin markings and surprisingly easy breeding habits.

Melon Barb

Melon Barb

Fish

Haludaria fasciata

An underrated Indian barb that rewards you with vivid male rivalry displays.

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.

Merah Dwarf Barb

Merah Dwarf Barb

Fish

Boraras merah

Thumbnail-sized Borneo native that rewards patience with vivid schooling displays.

Merry Widow

Merry Widow

Fish

Phallichthys amates

A low-key Central American livebearer that thrives where flashier fish struggle.

Metallic Topminnow

Metallic Topminnow

Fish

Girardinus metallicus

A livebearer from Cuba with a glinting metallic sheen and real historical quirks.

Meta Tetra

Meta Tetra

Fish

Hyphessobrycon metae

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

Mexican Dwarf Crayfish

Mexican Dwarf Crayfish

Invert

Cambarellus patzcuarensis

Tiny, peaceful, and full of personality. The dwarf crayfish that plays well with others.

Mexican tetra

Mexican tetra

Fish

Astyanax mexicanus

The cave fish that lost its eyes and gained extraordinary senses.

Micro Cory

Micro Cory

Fish

Corydoras hastatus

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

Micro Glassfish

Micro Glassfish

Fish

Danionella translucida

One of the tiniest freshwater fish alive, and surprisingly easy to breed.

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.

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.

Montezuma Swordtail

Montezuma Swordtail

Fish

Xiphophorus montezumae

A wild swordtail with an absurdly long tail sword that rivals its own body length.

Moonlight Gourami

Moonlight Gourami

Fish

Trichogaster microlepis

A silver-scaled Southeast Asian gourami with a gentle nature and labyrinth breathing.

Mosaic Corydoras

Mosaic Corydoras

Fish

Corydoras haraldschultzi

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

Moth Catfish

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

Mountain Barbel

Fish

Amphilius platychir

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

Mullya Garra

Mullya Garra

Fish

Garra mullya

A hardy Indian stream fish with a sucker disc built for fast-moving water.

Myanmar Redfin 2

Myanmar Redfin 2

Fish

Oreichthys sp. "Myanmar Redfin 2"

A tiny, feisty shoaler from Myanmar with a bold caudal blotch and plenty of personality.

Mystery Snail

Mystery Snail

Invert

Pomacea bridgesii

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

Naked Characin

Naked Characin

Fish

Gymnocharacinus bergi

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

Nana Rasbora

Nana Rasbora

Fish

Microdevario nanus

Tiny Myanmar schooler with a bold dorsal-fin blotch and big personality in small packages.

Nantaiensis Goby

Nantaiensis Goby

Fish

Rhinogobius nantaiensis

A feisty Taiwanese stream goby that rewards patient, experienced keepers.

necklace nassa

necklace nassa

Invert

Nassarius distortus

A tidy little scavenger from the Yaeyama Islands with a distinctively ornate shell.

Nemacheilus petrubanarescui

Nemacheilus petrubanarescui

Fish

Mesonoemacheilus petrubanarescui

A shy Indian stream loach best kept in groups to bring it out of hiding.

Neon Blue Rasbora

Neon Blue Rasbora

Fish

Sundadanio axelrodi

Tiny blackwater gem that rewards patient keepers with dazzling group behavior.

Neon Dwarf Rainbowfish

Neon Dwarf Rainbowfish

Fish

Melanotaenia praecox

Tiny rainbowfish that turns up the color when kept in a proper shoal.

Neon Goby

Neon Goby

Fish

Stiphodon ornatus

A tiny, colorful stream goby from Sumatra that rewards patient observers.

Neon Tetra

Neon Tetra

Fish

Paracheirodon innesi

The fish that turned millions of people into aquarium keepers.