Species
Browsing 1,022 species. Use the filters below to narrow down.
King Conch
InvertAliger gigas
A gentle giant of the seafloor, with one of the most iconic shells in the ocean.
Kissing Gourami
FishHelostoma temminkii
The infamous 'kissing fish' hides a complicated personality behind its pucker.
Kissing Prochilodus
FishSemaprochilodus insignis
A migratory Amazon grazer that plays a surprising ecological role in the wild.
Knobbed Brain Coral
CoralPseudodiploria clivosa
A hardy Caribbean brain coral with distinctively ridged, knobby colonies.
Knobby Cactus Coral
CoralMycetophyllia aliciae
A hardy Caribbean plate coral with bold texture and an easygoing nature.
Knob Coral
CoralFavia gravida
A compact Atlantic coral with tidy, rounded corallites and a warm pale orange hue.
Kooli Barb
FishPuntius vittatus
A peaceful little barb from rice fields and streams, best kept in lively groups.
Korean Bitterling
FishAcheilognathus signifer
A Korean bitterling with one of the most bizarre spawning strategies in freshwater fish
Krabi Mouth Brooding Betta
FishBetta simplex
A rare mouth-brooding betta from Thailand's limestone streams, peaceful by betta standards.
Krauss' Basketmouth
FishCaquetaia kraussii
A predatory Colombian cichlid that lurks in swamps and ambushes its prey.
Kribensis
FishPelvicachromis pulcher
A beginner-friendly cichlid that breeds willingly and parents like a pro.
Kribensis
FishPelvicachromis subocellatus
A cave-spawning dwarf cichlid whose females put on a dazzling courtship display.
Kuhli Loach
FishPangio kuhlii
The eel-like bottom dweller that disappears for weeks and reappears at midnight.
Kuhli Loach
FishPangio cuneovirgata
A rare kuhli lookalike from blackwater peat swamps, seldom seen outside expert collections.
Kuhli Loach
FishPangio filinaris
A slender, plain-bodied eel loach from the forested streams of peninsular Malaysia.
Kuhli Loach
FishPangio malayana
A slender kuhli loach relative that travels incognito in mixed shipments
Kuhli Loach
FishPangio piperata
A speckled, secretive kuhli loach that turns up as a mystery in mixed shipments.
Kuiter's Wrasse
FishMacropharyngodon kuiteri
A boldly patterned reef wrasse that thrives in small, active groups.
L239
FishBaryancistrus beggini
A tiny, dark-bodied pleco with an iridescent blue sheen from Guyana Shield rapids.
Lace Lettuce Coral
CoralLeptoseris cailleti
A deep-water Atlantic coral bringing unusual twisted fronds to low-light reef tanks.
Lake Inle Red-tailed Loach
FishPetruichthys brevis
A tiny loach from Myanmar's famous Inle Lake, best kept in groups.
Lamarck's sheet coral
CoralAgaricia lamarcki
A low-light Caribbean plate coral with distinctive white star-shaped mouths.
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.
Largebrain Root Coral
CoralLobophyllia hemprichii
A fleshy, slow-growing brain coral that suits reef beginners with its forgiving nature.
Large Cactus Coral
CoralMycetophyllia lamarckiana
A Caribbean reef plate coral with a wonderfully textured, cactus-like surface.
Large Flower Coral
CoralMussa angulosa
A bold Caribbean coral with fleshy, dramatic polyps suited to most reef setups.
Largescaled Rasbora
FishRasbora paucisqualis
A tiny forest stream rasbora from the Mekong, rarely seen outside scientific collections.
Lattice Dwarf Cichlid
FishNannacara taenia
A quietly charming dwarf cichlid hiding some fascinating breeding behavior beneath plain looks.
Lawnmower Blenny
FishSalarias fasciatus
A reef's algae patrol with a bold personality and surprising jaw strength.
Leaf Coral
CoralAgaricia agaricites
A low-light Caribbean coral that forms sweeping plates and fronds in earth tones.
Leaf Coral
CoralAgaricia grahamae
A low-light reef plate coral that layers into graceful whorled formations.
Leaf Coral
CoralPavona bipartita
A low-maintenance encrusting coral that works hard in understated browns.
Leaf Coral
CoralPavona chiriquiensis
A low-light Pacific coral with a textured, ridge-covered surface in earthy tones.
Leaf Coral
CoralPavona clavus
A hardy, low-light coral that builds impressive columnar and plate-like colonies.
Leaf Coral
CoralPavona danai
A rugged, low-demand coral with an angular, sculptural growth form.