Species
Browsing 1,903 species. Use the filters below to narrow down.
Malawi Squeaker
FishSynodontis njassae
Lake Malawi's only squeaker, built for cichlid tanks and rocky hideouts.
Malawi Thick-lipped Cichlid
FishAbactochromis labrosus
A rock-dwelling Malawi cichlid with an unusually approachable temperament for the genus.
Malayan Leaffish
FishPristolepis fasciata
A bold, deep-bodied predator from Southeast Asian floodplains with real personality.
Malayan Loach
FishPangio semicincta
The fish sold as kuhli loach is almost certainly this one instead.
Malaya Shrimp
InvertCaridina babaulti
A hardy, color-shifting dwarf shrimp that surprises you with every molt.
Malay glass catfish
FishOmpok eugeneiatus
A shy, schooling catfish from Southeast Asian peat swamps and flooded forests.
Malaysian Trumpet Snail
InvertMelanoides tuberculata
The tireless substrate burrower that aerates your gravel while you sleep.
Mandor
FishBetta mandor
A small, secretive Bornean mouthbrooder best kept in quiet, species-focused setups.
Manduba, Slopehead Catfish
FishAgeneiosus inermis
A giant, predatory catfish with one of the most unusual reproductive strategies in freshwater.
Mantis Shrimp
InvertOdontodactylus havanensis
A Brazilian Atlantic crustacean that brings serious predator energy to the right tank.
Many Barred Distichodus
FishDistichodus fasciolatus
A boldly barred Congo giant that stays surprisingly peaceful for its size.
Marakely
FishParatilapia polleni
Madagascar's endangered black cichlid, bold in personality and beautiful in the biotope
Marbled Climbing Perch
FishCtenopoma weeksii
A cryptic Congo predator that vanishes into leaf litter before your eyes.
Marbled Crayfish
InvertProcambarus virginalis
The only known parthenogenetic crayfish. Every individual is female and a perfect clone.
Marbled Crayfish
InvertCherax peknyi
A bold Australian freshwater crayfish with personality to spare.
Marbled Goby
FishOxyeleotris marmorata
A motionless giant that eats anything fitting in its enormous mouth.
Marbled Hatchetfish
FishCarnegiella strigata
A deep-keeled surface dweller that brings life to the upper third of any tank.
Marbled Lungfish
FishProtopterus aethiopicus aethiopicus
An ancient African lungfish that breathes air and can outlast a drought.
Marbled Lyretail
FishFundulopanchax marmoratus
A rare Cameroonian killifish with detailed marbled patterning and a preference for cool water.
Marbled Synodontis
FishSynodontis schoutedeni
A beginner-friendly Congo catfish with bold marbled patterning that deepens with age.
Marimo Moss Ball
PlantAegagropila linnaei
The algae ball that's actually welcome in your tank.
Mario's cory
FishCorydoras pinheiroi
A rare Amazonian cory that can breathe air and live for decades.
Masked Julie
FishJulidochromis transcriptus
A bold little rock-dweller from Lake Tanganyika with sharp black-and-white contrast.
Masken Apisto
FishApistogramma paulmuelleri
A tiny Peruvian dwarf cichlid with outsized color and surprisingly bold personality.
Maulbrüter Apisto
FishApistogramma barlowi
The only Apistogramma that mouthbroods. Or doesn't, depending on its mood.
Mayan Cichlid
FishCichlasoma urophthalmus
A brackish-tolerant bruiser that can handle conditions few other cichlids can.
Maya Tetra
FishHyphessobrycon compressus
The founding species of its entire genus, rarely seen in the hobby.
Mbu Puffer
FishTetraodon mbu
A Congo giant that demands respect, space, and a very sturdy tank.
Media Luna Pupfish
FishCualac tessellatus
A rare Mexican pupfish with a conservation story worth getting behind.
Mediterranean Killifish
FishAphanius fasciatus
A rare Mediterranean killifish that rewards dedicated keepers with fascinating, constant activity.
Medusa pleco
FishAncistrus ranunculus
A flat-headed, rock-hugging pleco from Brazil's wild river rapids.
MEGA Orange Dwarf Cichlid (Apistogramma cacatuoide) - Tank Bred
FishApistogramma cacatuoide
A selectively bred cockatoo cichlid dripping in vivid orange from dorsal to tail.
Meklong Spiny Eel
FishMacrognathus meklongensis
A secretive Thai spiny eel that comes out of hiding when hunger calls.
Mekong Bumblebee Goby
FishBrachygobius mekongensis
A pint-sized brackish goby with bold banded markings and a big personality.
Mekong Croaking Gourami
FishTrichopsis schalleri
The tiny gourami that actually produces sounds to resolve conflicts and court mates.
Mekong Freshwater Stingray
FishDasyatis laosensis
A true river stingray from the Mekong, built for life on sandy bottoms.