Species
Browsing 1,134 species. Use the filters below to narrow down.
Jerdon's carp
FishHypselobarbus jerdoni
A rare, river-schooling giant from the Western Ghats, seldom seen in the hobby.
Jewel Cichlid
FishHemichromis bimaculatus
Gorgeous West African cichlid that becomes a ferocious defender once paired up.
Julii Cory
FishCorydoras julii
A spotted little catfish that blinks, breathes air, and belongs in every peaceful community.
Julii Cory
FishCorydoras trilineatus
Commonly sold as julii cory, this peaceful armored catfish is a beginner-friendly gem.
Jumbo Cory
FishCorydoras multiradiatus
A large, long-snouted cory with a fascinating air-breathing trick up its sleeve.
Kampango
FishBagrus meridionalis
A giant Lake Malawi catfish with one of the most complex social lives in freshwater.
Kane's cory
FishCorydoras kanei
A small, spotted cory from blackwater rivers that breathes air and charms beginners.
Keyhole angelfish
FishCentropyge tibicen
The biggest dwarf angel, dressed in bold black with a single white patch.
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.
Knife Livebearer
FishAlfaro cultratus
A tough little livebearer with a blade-like keel and a feisty personality.
Knob Coral
CoralDipsastraea helianthoides
A boldly textured brain-style coral with a forgiving personality for growing reef tanks.
Knobnose Whiptail Catfish
FishHemiodontichthys acipenserinus
The only catfish where dad carries the eggs on his lips.
Kole Tang
FishCtenochaetus strigosus
A Hawaiian reef cleaner that scrubs algae with its uniquely bristled teeth.
Kooli Barb
FishPuntius vittatus
A peaceful little barb from rice fields and streams, best kept in lively groups.
Koran Angelfish
FishPomacanthus semicirculatus
A bold reef showpiece whose juvenile and adult forms look like completely different fish.
Korean Bitterling
FishAcheilognathus signifer
A Korean bitterling with one of the most bizarre spawning strategies in freshwater fish
Kotsovato
FishParetroplus kieneri
A peaceful Malagasy cichlid rarely seen outside specialist collections.
Kribensis
FishPelvicachromis pulcher
A beginner-friendly cichlid that breeds willingly and parents like a pro.
Krieg's Mini Tetra
FishOdontostilbe kriegi
A small, peaceful South American schooler that thrives in the mid-water column.
Kubuna Hardyhead
FishCraterocephalus randi
A slender, active schooler from the clear streams of New Guinea.
Kuhli Loach
FishPangio kuhlii
The eel-like bottom dweller that disappears for weeks and reappears at midnight.
Kumakuma
FishBrachyplatystoma filamentosum
One of the largest freshwater fish on Earth, and reportedly a danger to humans.
Kyburz Tetra
FishPseudochalceus kyburzi
A peaceful Colombian schooler with a nippy streak worth planning around.
L12
FishAncistomus feldbergae
A rock-dwelling Xingu pleco that grazes algae by night and hides by day.
L128
FishHemiancistrus sp
A spot-patterned Orinoco pleco with a taxonomic identity that's still up for debate.
L200
FishBaryancistrus demantoides
A territorial Venezuelan pleco with vivid spots and a noticeably tall dorsal fin.
L260
FishHypancistrus sp. "L260"
A fine-patterned Tapajós pleco that breeds readily and stays compact.
Lacrimostigmata Cory
FishCorydoras lacrimostigmata
A tiny armored catfish that may mimic its wild neighbors to blend in.
Ladder Loach
FishBotia rostrata
A boldly barred loach with a complex social life and real personality.
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.
Lambchop Rasbora
FishTrigonostigma espei
A copper-bodied schooler whose distinctive lambchop marking sets it apart from look-alikes.
Lambert's cory
FishCorydoras lamberti
A rare and enigmatic armored catfish from the Peruvian Amazon, best kept in groups.