Species
Browsing 958 species. Use the filters below to narrow down.
Mekong Freshwater Stingray
FishDasyatis laosensis
A true river stingray from the Mekong, built for life on sandy bottoms.
Mekong Giant Catfish
FishPangasianodon gigas
One of the largest freshwater fish on Earth, and critically endangered.
Menezesi Cory
FishAspidoras menezesi
A tiny Brazilian catfish with a surprisingly long lifespan and a Corydoras personality.
Meteor Basslet
FishLiopropoma susumi
A secretive reef cave-dweller with bold pinstripes and peaceful manners.
Mexican Barnacle Blenny
FishAcanthemblemaria macrospilus
A pint-sized reef blenny that claims abandoned barnacle shells as its castle.
Mexican Dwarf Crayfish
InvertCambarellus patzcuarensis
Tiny, peaceful, and full of personality. The dwarf crayfish that plays well with others.
Mexican Jawfish
FishOpistognathus mexicanus
A burrowing Mexican charmer that watches the world from its self-made home.
Micro Cory
FishCorydoras hastatus
Tiny armored catfish that defies its family by cruising the midwater column.
Millennium Cory
FishCorydoras spectabilis
The 'millennium cory'. A peaceful schooler with spotted flair from Brazil's Guaporé basin.
Mini Chocolate Gourami
FishParasphaerichthys lineatus
A tiny Burmese labyrinth fish with some of the most unpredictable breeding behavior in the hobby.
Mokele-mbembe Bichir
FishPolypterus mokelembembe
An ancient, armored predator from the Congo's murky depths.
Molly Miller
FishScartella cristata
A tidepool blenny with a wild mohawk and an appetite for algae.
Money Cowrie
InvertCypraea moneta
A living relic once traded as currency across cultures worldwide.
Monkey Bay Cichlid
FishAlticorpus mentale
A deep-water Malawi cichlid from sandy depths rarely seen in the hobby.
Moore's Lamprologus
FishVariabilichromis moorii
A Lake Tanganyika rockdweller with a fascinating family life and devious brood tactics.
Mosaic Corydoras
FishCorydoras haraldschultzi
A long-lived armored catfish with detailed reticulated markings and a surprisingly social personality.
Moth Catfish
FishHara jerdoni
A moth-like micro catfish from Indian hill streams, best kept in groups.
Mottled Bichir
FishPolypterus weeksii
A living fossil from the Congo with a swim bladder that doubles as a lung.
Mottled Loach
FishAcanthocobitis botia
A peaceful, quirky bottom-dweller with a false eye that fools predators.
Mountain Barbel
FishAmphilius platychir
A sleek African stream catfish built for life in fast, rocky currents.
Moustache Catfish
FishAuchenipterus nuchalis
A surface-roaming catfish with bizarre ossified barbels and secretive nocturnal habits.
Moustache Jawfish
FishOpistognathus lonchurus
A bold little burrower with a face full of personality.
Mozambique tilapia
FishOreochromis mossambicus
One of the world's most invasive fish, sold as food and kept as a curiosity.
Mullya Garra
FishGarra mullya
A hardy Indian stream fish with a sucker disc built for fast-moving water.
Multifasciatus
FishNeolamprologus multifasciatus
Possibly the world's smallest cichlid, big attitude packed into a tiny shell.
Mustard Squeaker
FishSynodontis albolineata
A small, community-friendly squeaker from Cameroon and Gabon that rarely reaches the trade.
Mystic Mystus
FishMystus mysticetus
A gregarious Southeast Asian catfish with a uniquely lateral-eyed look.
Nantaiensis Goby
FishRhinogobius nantaiensis
A feisty Taiwanese stream goby that rewards patient, experienced keepers.
Nassarius Snail
InvertNassarius vibex
A tireless sand-sifting scavenger that keeps reef substrate clean and aerated.
Nemacheilus guentheri
FishMesonoemacheilus guentheri
A pebble-stream loach from India with famously unpredictable mood swings.
Nemacheilus petrubanarescui
FishMesonoemacheilus petrubanarescui
A shy Indian stream loach best kept in groups to bring it out of hiding.
Neon Goby
FishStiphodon ornatus
A tiny, colorful stream goby from Sumatra that rewards patient observers.
Network Cory
FishCorydoras reticulatus
A fine-patterned bottom dweller that lives surprisingly long in good company.
Network Pleco
FishHypancistrus sp. "L066"
A boldly patterned pleco with a variable maze-like network across its body.
Night Aulonocara
FishAulonocara hueseri
A sand-sifting peacock cichlid with deep blue coloration from Lake Malawi's rocky shores.
Nijssen's cory
FishCorydoras nijsseni
A rare Rio Negro cory with bold patterning and a surprisingly long lifespan.