Species
Browsing 396 species. Use the filters below to narrow down.
Haitian Cichlid
FishNandopsis haitiensis
A powerhouse cichlid from Hispaniola that takes no prisoners in the aquarium.
Halfmoon Angelfish
FishPomacanthus maculosus
A bold, large-growing angel that thrives where other reef fish fear to tread.
Half-striped Penguin Tetra
FishThayeria ifati
The rarest penguin tetra, with a boldly defined tail stripe and colorful fin tips.
Horned Bannerfish
FishHeniochus chrysostomus
A bold-banded bannerfish with a dramatic dorsal fin and reef-roaming habits.
Huber's Knife Livebearer
FishAlfaro huberi
A sleek Central American livebearer built for fast, clear currents.
Humpback Puffer
FishPao palembangensis
A freshwater puffer from Southeast Asia with serious teeth and serious attitude.
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.
Irian Rainbowfish
FishMelanotaenia irianjaya
A rarely seen rainbowfish with an unusual fin shape that sets it apart from its cousins.
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.
Japanese Sea Nettle
InvertChrysaora pacifica
A striking open-water predator that demands a very specialized setup.
Javaen Barb
FishSystomus orphoides
A boisterous, patterned barb that needs bold tankmates and room to roam.
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.
Killifish
FishAustrolebias adloffi
A tiny annual killifish that races through its entire life cycle in months.
King Angelfish
FishHolacanthus passer
A bold Eastern Pacific angel with a single dramatic white stripe across its flank.
Kissing Prochilodus
FishSemaprochilodus insignis
A migratory Amazon grazer that plays a surprising ecological role in the wild.
Koran Angelfish
FishPomacanthus semicirculatus
A bold reef showpiece whose juvenile and adult forms look like completely different fish.
Krauss' Basketmouth
FishCaquetaia kraussii
A predatory Colombian cichlid that lurks in swamps and ambushes its prey.
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.
Least Killifish
FishHeterandria formosa
One of the world's smallest fish, with a uniquely continuous birthing process.
Lemon Coral Goby
FishGobiodon citrinus
A tiny, lemon-yellow goby that lives tucked inside coral branches in the wild.
Lemon Fin Barb
FishHypsibarbus vernayi
A large, lemon-finned schooling barb often mislabeled in the trade.
Lemonpeel angelfish
FishCentropyge flavissima
A vivid all-yellow dwarf angel with a bold blue eye ring and a reputation for nipping corals.
Liberty Molly
FishPoecilia salvatoris
A scrappy Central American molly with bold looks and a bold attitude.
Licorice Gourami
FishParosphromenus ornaticauda
A tiny licorice gourami with an acrobatic courtship display unlike any other.
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.
Lion's Mane Jellyfish
InvertCyanea capillata
The world's largest jellyfish, trailing curtains of venomous tentacles through cold northern seas.
Longnose Hawkfish
FishOxycirrhites typus
A perching ambush predator that claims gorgonians as its personal throne.