Species
Browsing 286 species. Use the filters below to narrow down.
Indian Butterflyfish
FishChaetodon mitratus
A deep-reef butterflyfish from remote Indian Ocean islands, rarely seen in the wild or in tanks.
Indian Glass Perch
FishParambassis ranga
A living x-ray fish whose transparent body reveals its skeleton and organs.
Jack Dempsey
FishRocio octofasciata
A bold, brawling cichlid named after a boxing legend for good reason.
Jaguar Cichlid
FishParachromis managuensis
A bold, personable predator that owns every tank it inhabits.
Jamaican Killifish
FishCubanichthys pengelleyi
A rare Jamaican killifish with clear-water roots and a reputation for challenging its keeper.
Jewel Cichlid
FishHemichromis bimaculatus
Gorgeous West African cichlid that becomes a ferocious defender once paired up.
Kenyi Cichlid
FishPseudotropheus lombardoi
A notoriously aggressive mbuna with a dramatic reverse color scheme between sexes.
Keyhole Cichlid
FishCleithracara maronii
A gentle, shy cichlid whose camouflage trick is straight out of a nature documentary.
King Angelfish
FishHolacanthus passer
A bold Eastern Pacific angel with a single dramatic white stripe across its flank.
Koran Angelfish
FishPomacanthus semicirculatus
A bold reef showpiece whose juvenile and adult forms look like completely different fish.
Kyburz Tetra
FishPseudochalceus kyburzi
A peaceful Colombian schooler with a nippy streak worth planning around.
Lake Kurumoi Rainbowfish
FishMelanotaenia parva
A rare mountain lake gem that puts on a show at feeding time.
Lake Kutubu Rainbowfish
FishMelanotaenia lacustris
A slow-developing rainbowfish whose true colors take patience to unlock.
Lake Tebera Rainbowfish
FishMelanotaenia herbertaxelrodi
A highland Papua New Guinea gem that rewards patient keepers with vivid color.
Lake Wanam Rainbowfish
FishGlossolepis wanamensis
A critically endangered rainbowfish from a single remote Papua New Guinea lake.
Large-scale Characin
FishBrycinus macrolepidotus
A football-sized African predator that roams rivers from the Nile to the Congo.
Lemon Coral Goby
FishGobiodon citrinus
A tiny, lemon-yellow goby that lives tucked inside coral branches in the wild.
Lemonpeel angelfish
FishCentropyge flavissima
A vivid all-yellow dwarf angel with a bold blue eye ring and a reputation for nipping corals.
Leopard Pufferfish
FishCanthigaster leoparda
A deep-water puffer with bold leopard spots and a compact, manageable size.
Line-spotted Barb
FishBarbus lineomaculatus
A sleek African barb that migrates into flooded grasslands to spawn.
Lionhead Goldfish
FishCarassius auratus var. lionhead
The beefy, hood-crowned fancy goldfish that rewards patient, attentive keepers.
Longnose Hawkfish
FishOxycirrhites typus
A perching ambush predator that claims gorgonians as its personal throne.
Longnose Tang
FishZebrasoma rostratum
A sleek, all-black Pacific tang with a distinctively elongated snout.
Lyon's Cichlid
FishAmphilophus lyonsi
A lesser-known Central American cichlid from Pacific-slope rivers worth seeking out.
Macculloch's Rainbowfish
FishMelanotaenia maccullochi
A compact, peaceful rainbowfish that rewards group keeping with vivid male displays.
Maingano
FishMelanochromis cyaneorhabdos
An all-blue Malawi mbuna with serious attitude and a mouthbrooding twist.
Marakely
FishParatilapia polleni
Madagascar's endangered black cichlid, bold in personality and beautiful in the biotope
Maroon Clownfish
FishAmphiprion tricinctus
Three bold white bars on deep orange. The Marshall Islands' own anemonefish.
Masked Julie
FishJulidochromis transcriptus
A bold little rock-dweller from Lake Tanganyika with sharp black-and-white contrast.
Masked Puffer
FishArothron diadematus
A bold Red Sea puffer with a dramatic masked face and serious bite.
Mekong Puffer
FishTetraodon suvattii
A bottom-hugging Mekong puffer that buries itself in river mud.
Mexican Tetra
FishAstyanax fasciatus
A bold, wide-ranging tetra with a predatory streak that surprises many keepers.
Midas Blenny
FishEcsenius midas
A reef blenny that mimics anthias in color, movement, and social behavior.
Milkspotted Puffer
FishChelonodon patoca
A schooling puffer from mangrove estuaries that gets surprisingly large.
Mimic Surgeonfish
FishAcanthurus pyroferus
A juvenile master of disguise that grows into a bold reef grazer.
Montezuma Swordtail
FishXiphophorus montezumae
A wild swordtail with an absurdly long tail sword that rivals its own body length.