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Species

Browsing 723 species. Use the filters below to narrow down.

Maclear Cichlid

Maclear Cichlid

Fish

Alticorpus macrocleithrum

A rarely kept deep-water cichlid from the mysterious depths of Lake Malawi.

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

Mad Barb

Mad Barb

Fish

Leptobarbus hoevenii

A river giant with a wild reputation for eating intoxicating seeds

Magenta Dottyback

Magenta Dottyback

Fish

Pictichromis porphyrea

A bold little reef fish that punches well above its weight in personality.

Mahachai Betta

Mahachai Betta

Fish

Betta mahachaiensis

A nipa palm specialist from coastal Thailand with iridescent blue-green armor.

Maingano

Maingano

Fish

Melanochromis cyaneorhabdos

An all-blue Malawi mbuna with serious attitude and a mouthbrooding twist.

Malabar Baril

Malabar Baril

Fish

Barilius bakeri

A fast, bold stream fish that needs equally confident tankmates to thrive.

Malabar Baril

Malabar Baril

Fish

Barilius gatensis

A bold, fast-moving hill stream fish that needs equally assertive tankmates.

Malawi Thick-lipped Cichlid

Malawi Thick-lipped Cichlid

Fish

Abactochromis labrosus

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

Malayan Leaffish

Malayan Leaffish

Fish

Pristolepis fasciata

A bold, deep-bodied predator from Southeast Asian floodplains with real personality.

Marbled Climbing Perch

Marbled Climbing Perch

Fish

Ctenopoma weeksii

A cryptic Congo predator that vanishes into leaf litter before your eyes.

Marbled Crayfish

Marbled Crayfish

Invert

Procambarus virginalis

The only known parthenogenetic crayfish. Every individual is female and a perfect clone.

Marbled Crayfish

Marbled Crayfish

Invert

Cherax peknyi

A bold Australian freshwater crayfish with personality to spare.

Marbled Goby

Marbled Goby

Fish

Oxyeleotris marmorata

A motionless giant that eats anything fitting in its enormous mouth.

Marbled Synodontis

Marbled Synodontis

Fish

Synodontis schoutedeni

A beginner-friendly Congo catfish with bold marbled patterning that deepens with age.

Maroon Clownfish

Maroon Clownfish

Fish

Amphiprion tricinctus

Three bold white bars on deep orange. The Marshall Islands' own anemonefish.

Maroon Clownfish

Maroon Clownfish

Fish

Premnas biaculeatus

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

Masken Apisto

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.

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.

Mekong Bumblebee Goby

Mekong Bumblebee Goby

Fish

Brachygobius mekongensis

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

Mekong Puffer

Mekong Puffer

Fish

Tetraodon suvattii

A bottom-hugging Mekong puffer that buries itself in river mud.

Mexican Barnacle Blenny

Mexican Barnacle Blenny

Fish

Acanthemblemaria macrospilus

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

Mexican Tetra

Mexican Tetra

Fish

Astyanax fasciatus

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

Midas Blenny

Midas Blenny

Fish

Ecsenius midas

A reef blenny that mimics anthias in color, movement, and social behavior.

Milkspotted Puffer

Milkspotted Puffer

Fish

Chelonodon patoca

A schooling puffer from mangrove estuaries that gets surprisingly large.

Mimic Surgeonfish

Mimic Surgeonfish

Fish

Acanthurus pyroferus

A juvenile master of disguise that grows into a bold reef grazer.

Minkley's Cichlid

Minkley's Cichlid

Fish

Herichthys minckleyi

A rare Mexican cichlid from one of the world's most extraordinary desert springs.

Mokele-mbembe Bichir

Mokele-mbembe Bichir

Fish

Polypterus mokelembembe

An ancient, armored predator from the Congo's murky depths.

Molly Miller

Molly Miller

Fish

Scartella cristata

A tidepool blenny with a wild mohawk and an appetite for algae.

Monkey Bay Cichlid

Monkey Bay Cichlid

Fish

Alticorpus mentale

A deep-water Malawi cichlid from sandy depths rarely seen in the hobby.

Montecristo Cichlid

Montecristo Cichlid

Fish

Vieja heterospila

A robust Central American cichlid from some of Mexico's most storied river systems.

Moonspot Licorice Gourami

Moonspot Licorice Gourami

Fish

Parosphromenus linkei

A pint-sized blackwater gourami with head-down courtship displays unlike any other.

Moustache Catfish

Moustache Catfish

Fish

Auchenipterus nuchalis

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

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Moustache Jawfish

Fish

Opistognathus lonchurus

A bold little burrower with a face full of personality.