Species
Browsing 723 species. Use the filters below to narrow down.
Keyhole angelfish
FishCentropyge tibicen
The biggest dwarf angel, dressed in bold black with a single white patch.
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.
Knife Livebearer
FishAlfaro cultratus
A tough little livebearer with a blade-like keel and a feisty personality.
Knobbed Brain Coral
CoralPseudodiploria clivosa
A hardy Caribbean brain coral with distinctively ridged, knobby colonies.
Koran Angelfish
FishPomacanthus semicirculatus
A bold reef showpiece whose juvenile and adult forms look like completely different fish.
Krabi Mouth Brooding Betta
FishBetta simplex
A rare mouth-brooding betta from Thailand's limestone streams, peaceful by betta standards.
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.
Lancer Catfish
FishBagrichthys macracanthus
A nocturnal lancer catfish with territorial attitude and a dramatic dorsal spine.
Lancer Catfish
FishBagrichthys majusculus
A secretive Thai catfish with territorial attitude and a spine worth respecting.
Lattice Blaasop
FishTakifugu oblongus
A pufferfish that grows big, bites hard, and crosses into brackish water.
Lavender mbuna
FishIodotropheus sprengerae
A compact, easygoing mbuna that plays well with others in Malawi setups.
Lawnmower Blenny
FishSalarias fasciatus
A reef's algae patrol with a bold personality and surprising jaw strength.
Leaf Fish
FishMonocirrhus polyacanthus
A dead-leaf impersonator that ambushes prey with a lightning-fast vacuum strike.
Lemon Cichlid
FishNeolamprologus leleupi
A bold, canary-yellow cave dweller from the rocky shores of Lake Tanganyika.
Lemon Fin Barb
FishHypsibarbus wetmorei
A long-lived, large barb that needs space and good company to thrive.
Lemon Jake
FishAulonocara jacobfreibergi
A peacock cichlid with bold fin margins and a long history in the hobby.
Lemon Peel
FishCentropyge flavissimus
An all-yellow reef dweller with a bold personality that outpaces its small size.
Lemonpeel angelfish
FishCentropyge flavissima
A vivid all-yellow dwarf angel with a bold blue eye ring and a reputation for nipping corals.
Leopard Bushfish
FishCtenopoma acutirostre
A patient ambush predator that disguises itself as a drifting leaf.
Leopardpleco
FishPseudacanthicus cf leopardus
A spiny, cave-dwelling pleco from the blackwaters of the Rio Negro.
Leopard Pleco
FishPseudacanthicus spinosus
A thorny, wild-looking Amazon pleco with serious attitude to match.
Leopard Pufferfish
FishCanthigaster leoparda
A deep-water puffer with bold leopard spots and a compact, manageable size.
Licorice Gourami
FishParosphromenus allani
A tiny blackwater rarity from Borneo, rarely seen outside dedicated hobbyist circles.
Licorice Gourami
FishParosphromenus deissneri
A tiny, cave-breeding licorice gourami from Bangka with a tangled taxonomic history.
Licorice Gourami
FishParosphromenus quindecim
A pint-sized Bornean labyrinth fish for dedicated blackwater keepers.
Linke's Dwarf Cichlid
FishApistogramma linkei
A secretive dwarf cichlid from Bolivia's river systems, full of personality in a small package.
Lipspot Moray
FishGymnothorax chilospilus
A compact reef moray with a bold spotted pattern and a surprisingly calm reputation.
Lipstick Leporinus
FishLeporinus arcus
A bold-striped South American speedster with a personality to match its size.
Lobetoothed Piranha
FishPygopristis denticulata
The most docile piranha you can keep, but those teeth are still very real.
Longnose Hawkfish
FishOxycirrhites typus
A perching ambush predator that claims gorgonians as its personal throne.
Long-Spined Urchin
InvertDiadema setosum
A reef-grazing urchin with impressively long spines and a sharp sense of self-defense.
Lugubria tigrina
FishCrenicichla tigrina
A boldly patterned Amazonian pike cichlid that rarely shows up in the trade.
Lyretail anthias
FishPseudanthias squamipinnis
Schooling reef anthias that shifts from female orange to vivid male purple.
Lyretail Apistogramma
FishApistogramma pantalone
A tiny Peruvian dwarf cichlid with courtship rituals unlike any other Apistogramma.