Species
Browsing 1,126 species. Use the filters below to narrow down.
Longnose Butterflyfish
FishForcipiger flavissimus
A needle-nosed reef hunter that picks prey from crevices other fish can't reach.
Long nosed arched cory
FishCorydoras narcissus
A long-snouted cory from the Amazon, rarely seen and worth the search.
Long-nosed Cory
FishCorydoras semiaquilis
A peaceful bottom-dweller from Peru that thrives in sociable groups.
Long nosed smudge spot cory
FishCorydoras ourastigma
A long-snouted Purus River cory that can live for two decades in the right setup.
Longsnout Distichodus
FishDistichodus lusosso
A boldly patterned Congo river fish that quietly outgrows its youthful looks.
Longsnouted Pipefish
FishDoryichthys martensii
A slender, pipe-bodied hunter that lets the male handle all the parenting duties.
Longspine Cardinal
FishZoramia leptacantha
A tiny reef cardinalfish that gathers in shimmering clouds above branching coral.
Longspine seahorse
FishHippocampus histrix
A thorny Indo-Pacific seahorse with dramatic spines and a delicate nature.
Long whiskers catfish
FishMystus gulio
A schooling brackish catfish that grows surprisingly large and breathes air.
Lonnberg's Aphyosemion
FishAphyosemion loennbergii
A rare Cameroonian killifish from shaded rainforest streams, worth the extra effort.
Loretoensi Cory or Loretoensis Cory
FishCorydoras loretoensis
A long-finned little bottom-dweller that thrives in lively, social groups.
Loreto panda cory
FishCorydoras ortegai
A tiny armored catfish from Peru that breathes air and blinks at you.
Loreto Tetra
FishHyphessobrycon loretoensis
A tiny Peruvian tetra with a vivid red tail that shines in a well-planted school.
Lubbock's Wrasse
FishCirrhilabrus lubbocki
A social, zooplankton-hunting wrasse that thrives in lively reef communities.
Lyretail Angelfish
FishGenicanthus caudovittatus
A rare peaceful angelfish with dramatic lyre-shaped tail fins and true sexual dimorphism.
Macculloch's Rainbowfish
FishMelanotaenia maccullochi
A compact, peaceful rainbowfish that rewards group keeping with vivid male displays.
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.
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
Mailfish
FishCleidopus gloriamaris
A living lantern: the fish that carries its own lights on its jaw.
Malabar Hatchet Chela
FishLaubuka fasciata
A peaceful Indian hill stream schooler that rewards keepers who buy in groups.
Malawi Squeaker
FishSynodontis njassae
Lake Malawi's only squeaker, built for cichlid tanks and rocky hideouts.
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.
Mandarin Dragonet
FishSynchiropus splendidus
One of the most vividly colored fish on the reef, and one of the trickiest to keep.
Mandor
FishBetta mandor
A small, secretive Bornean mouthbrooder best kept in quiet, species-focused setups.
Many Barred Distichodus
FishDistichodus fasciolatus
A boldly barred Congo giant that stays surprisingly peaceful for its size.
Many-spined Cowfish
FishLactoria diaphana
A boxy, horned oddity that roams reefs and mudflats across the entire Indo-Pacific.
Marbled Goby
FishPomatoschistus marmoratus
A cryptic little sand-dweller from Europe's coasts, full of quiet personality.
Marbled Hatchetfish
FishCarnegiella strigata
A deep-keeled surface dweller that brings life to the upper third of any tank.
Marbled Lyretail
FishFundulopanchax marmoratus
A rare Cameroonian killifish with detailed marbled patterning and a preference for cool water.
Mario's cory
FishCorydoras pinheiroi
A rare Amazonian cory that can breathe air and live for decades.
Masked Angelfish
FishGenicanthus personatus
A rare Hawaiian endemic that's one of the most coveted angels in the hobby.
Maya Tetra
FishHyphessobrycon compressus
The founding species of its entire genus, rarely seen in the hobby.
Mccosker's Flasher
FishParacheilinus mccoskeri
A tiny reef wrasse where the males put on a color show like no other.