Species
Browsing 1,801 species. Use the filters below to narrow down.
Lyon's Cichlid
FishAmphilophus lyonsi
A lesser-known Central American cichlid from Pacific-slope rivers worth seeking out.
Lyretail Apistogramma
FishApistogramma pantalone
A tiny Peruvian dwarf cichlid with courtship rituals unlike any other Apistogramma.
Lyre-tail Pleco
FishAcanthicus hystrix
A giant, armor-plated catfish that outgrows almost every home aquarium.
Macculloch's Rainbowfish
FishMelanotaenia maccullochi
A compact, peaceful rainbowfish that rewards group keeping with vivid male displays.
Maclear Cichlid
FishAlticorpus macrocleithrum
A rarely kept deep-water cichlid from the mysterious depths of Lake Malawi.
Macmaster's Dwarf Cichlid
FishApistogramma macmasteri
A compact Colombian cichlid with big personality and fascinating cave-breeding behavior.
Macropterus Cory
FishScleromystax macropterus
A cool-water armored catfish with a bold personality and a venomous surprise
Mad Barb
FishLeptobarbus hoevenii
A river giant with a wild reputation for eating intoxicating seeds
Maeklong Chameleon Catfish
FishAcrochordonichthys septentrionalis
A skin-shedding hill stream catfish that keeps its tankmates on their toes.
Magnum Pleco
FishBaryancistrus chrysolomus
A boldly finned Xingu catfish that earns its territorial reputation with age.
Mahachai Betta
FishBetta mahachaiensis
A nipa palm specialist from coastal Thailand with iridescent blue-green armor.
Mahecola Barb
FishPuntius mahecola
A rarely traded Kerala barb best appreciated in a lively, same-species school.
Mailed Cory
FishCorydoras amandajanea
A rare armored catfish from the Negro River that occasionally breathes air
Maingano
FishMelanochromis cyaneorhabdos
An all-blue Malawi mbuna with serious attitude and a mouthbrooding twist.
Malabar Baril
FishBarilius bakeri
A fast, bold stream fish that needs equally confident tankmates to thrive.
Malabar Baril
FishBarilius gatensis
A bold, fast-moving hill stream fish that needs equally assertive tankmates.
Malabar Hatchet Chela
FishLaubuka fasciata
A peaceful Indian hill stream schooler that rewards keepers who buy in groups.
Malawi Eyebiter
FishDimidiochromis compressiceps
The Lake Malawi ambush hunter famous for a truly unsettling feeding habit.
Malawi Hawk Cichlid
FishAristochromis christyi
Lake Malawi's sneaky ambush predator that rolls sideways to fool its prey.
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.
Malay glass catfish
FishOmpok eugeneiatus
A shy, schooling catfish from Southeast Asian peat swamps and flooded forests.
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.
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 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.
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.