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Species

Browsing 951 species. Use the filters below to narrow down.

Jelly Bean Tetra

Jelly Bean Tetra

Fish

Ladigesia roloffi

A tiny West African gem that thrives in groups and rewards patient keepers.

Jerdon's carp

Jerdon's carp

Fish

Hypselobarbus jerdoni

A rare, river-schooling giant from the Western Ghats, seldom seen in the hobby.

Julii Cory

Julii Cory

Fish

Corydoras julii

A spotted little catfish that blinks, breathes air, and belongs in every peaceful community.

Julii Cory

Julii Cory

Fish

Corydoras trilineatus

Commonly sold as julii cory, this peaceful armored catfish is a beginner-friendly gem.

Jumbo Cory

Jumbo Cory

Fish

Corydoras multiradiatus

A large, long-snouted cory with a fascinating air-breathing trick up its sleeve.

Kabili Bumblebee Goby

Kabili Bumblebee Goby

Fish

Brachygobius kabiliensis

Tiny bumblebee-patterned goby from Borneo's mangroves, surprisingly manageable for new keepers.

Kamaka Rainbowfish

Kamaka Rainbowfish

Fish

Melanotaenia kamaka

A vividly colored rainbowfish with the active personality to match its appearance.

Kane's cory

Kane's cory

Fish

Corydoras kanei

A small, spotted cory from blackwater rivers that breathes air and charms beginners.

Karnataka Labeo

Karnataka Labeo

Fish

Labeo calbasu

A large, algae-grazing river fish best appreciated outside the home aquarium.

Keyhole Cichlid

Keyhole Cichlid

Fish

Cleithracara maronii

A gentle, shy cichlid whose camouflage trick is straight out of a nature documentary.

Kissing Prochilodus

Kissing Prochilodus

Fish

Semaprochilodus insignis

A migratory Amazon grazer that plays a surprising ecological role in the wild.

Knobnose Whiptail Catfish

Knobnose Whiptail Catfish

Fish

Hemiodontichthys acipenserinus

The only catfish where dad carries the eggs on his lips.

Kooli Barb

Kooli Barb

Fish

Puntius vittatus

A peaceful little barb from rice fields and streams, best kept in lively groups.

Korean Bitterling

Korean Bitterling

Fish

Acheilognathus signifer

A Korean bitterling with one of the most bizarre spawning strategies in freshwater fish

Korean Doty Barbel

Korean Doty Barbel

Fish

Hemibarbus mylodon

A hefty Korean river barb that rewards simple, spacious setups.

Kotsovato

Kotsovato

Fish

Paretroplus kieneri

A peaceful Malagasy cichlid rarely seen outside specialist collections.

Krieg's Mini Tetra

Krieg's Mini Tetra

Fish

Odontostilbe kriegi

A small, peaceful South American schooler that thrives in the mid-water column.

Kubuna Hardyhead

Kubuna Hardyhead

Fish

Craterocephalus randi

A slender, active schooler from the clear streams of New Guinea.

Kuhli Loach

Kuhli Loach

Fish

Pangio kuhlii

The eel-like bottom dweller that disappears for weeks and reappears at midnight.

Kuhli Loach

Kuhli Loach

Fish

Pangio cuneovirgata

A rare kuhli lookalike from blackwater peat swamps, seldom seen outside expert collections.

Kuhli Loach

Kuhli Loach

Fish

Pangio filinaris

A slender, plain-bodied eel loach from the forested streams of peninsular Malaysia.

Kuhli Loach

Kuhli Loach

Fish

Pangio malayana

A slender kuhli loach relative that travels incognito in mixed shipments

Kuhli Loach

Kuhli Loach

Fish

Pangio piperata

A speckled, secretive kuhli loach that turns up as a mystery in mixed shipments.

Kuhli Loach

Kuhli Loach

Fish

Pangio sp. "PAN03"

A mystery kuhli loach from Borneo that science hasn't named yet.

Kyburz Tetra

Kyburz Tetra

Fish

Pseudochalceus kyburzi

A peaceful Colombian schooler with a nippy streak worth planning around.

L12

L12

Fish

Ancistomus feldbergae

A rock-dwelling Xingu pleco that grazes algae by night and hides by day.

Lacrimostigmata Cory

Lacrimostigmata Cory

Fish

Corydoras lacrimostigmata

A tiny armored catfish that may mimic its wild neighbors to blend in.

Ladder Loach

Ladder Loach

Fish

Botia rostrata

A boldly barred loach with a complex social life and real personality.

Lake Inle Red-tailed Loach

Lake Inle Red-tailed Loach

Fish

Petruichthys brevis

A tiny loach from Myanmar's famous Inle Lake, best kept in groups.

Lake Kurumoi Rainbowfish

Lake Kurumoi Rainbowfish

Fish

Melanotaenia parva

A rare mountain lake gem that puts on a show at feeding time.

Lake Kutubu Rainbowfish

Lake Kutubu Rainbowfish

Fish

Melanotaenia lacustris

A slow-developing rainbowfish whose true colors take patience to unlock.

Lake Tebera Rainbowfish

Lake Tebera Rainbowfish

Fish

Melanotaenia herbertaxelrodi

A highland Papua New Guinea gem that rewards patient keepers with vivid color.

Lake Wanam Rainbowfish

Lake Wanam Rainbowfish

Fish

Glossolepis wanamensis

A critically endangered rainbowfish from a single remote Papua New Guinea lake.

Lambchop Rasbora

Lambchop Rasbora

Fish

Trigonostigma espei

A copper-bodied schooler whose distinctive lambchop marking sets it apart from look-alikes.

Lambert's cory

Lambert's cory

Fish

Corydoras lamberti

A rare and enigmatic armored catfish from the Peruvian Amazon, best kept in groups.

Large Finned Lampeye

Large Finned Lampeye

Fish

Procatopus nototaenia

A forest stream lampeye that rewards patient, experienced keepers.