Species
Browsing 366 species. Use the filters below to narrow down.
Indigo Hamlet
FishHypoplectrus indigo
A reef-dwelling hamlet with bold indigo patterning and a surprisingly easygoing nature.
Isthmian Priapella
FishPriapella intermedia
A sleek Mexican livebearer that leaps clear of the water to catch insects.
January Tetra
FishHemigrammus hyanuary
A peaceful little tetra that looks like a stretched head-and-tail light fish.
Japanese Angelfish
FishCentropyge interruptus
A rare Japanese deepwater dwarf angel that pairs for life on rocky reefs.
Japanese medaka
FishOryzias latipes
The first vertebrate to mate in space, now a rewarding nano fish for patient keepers.
Java Combtail
FishBelontia hasselti
A large, territorial labyrinth fish that rewards patient, experienced keepers.
Jellybean Tetra
FishLepidarchus adonis
A tiny, transparent West African gem that rewards patient, detail-oriented keepers.
Jelly Bean Tetra
FishLadigesia roloffi
A tiny West African gem that thrives in groups and rewards patient keepers.
Kamaka Rainbowfish
FishMelanotaenia kamaka
A vividly colored rainbowfish with the active personality to match its appearance.
Keyhole angelfish
FishCentropyge tibicen
The biggest dwarf angel, dressed in bold black with a single white patch.
Krieg's Mini Tetra
FishOdontostilbe kriegi
A small, peaceful South American schooler that thrives in the mid-water column.
Lamarck's Angelfish
FishGenicanthus lamarck
A planktivorous angelfish with bold dimorphism and an unusually peaceful personality.
Latticed Butterflyfish
FishChaetodon rafflesii
A coral-dependent butterflyfish that reveals its mood through a mysterious dark spot.
Lavender mbuna
FishIodotropheus sprengerae
A compact, easygoing mbuna that plays well with others in Malawi setups.
Leafy Sea Dragon
FishPhycodurus eques
The leafy sea dragon looks more like drifting seaweed than a fish.
Least Rasbora
FishBoraras urophthalmoides
Tiny, timid, and full of personality when kept in a proper group.
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.
Leopard Bushfish
FishCtenopoma acutirostre
A patient ambush predator that disguises itself as a drifting leaf.
Leopold's Tetra
FishAstyanax leopoldi
A rarely seen South American tetra that rewards patient shoppers with active schooling behavior.
Leptura Cichlid
FishXenotilapia leptura
A schooling Tanganyikan sand-dweller that grazes algae in peaceful, flowing groups.
Lifalili Cichlid
FishHemichromis lifalili
A jewel cichlid that transforms into something else entirely when spawning season hits.
Limespot Butterflyfish
FishChaetodon unimaculatus
A wide-ranging reef butterfly with a bold spot and a coral-eating habit.
Line Butterflyfish
FishChaetodon lineolatus
The largest butterflyfish in the world, with a bold graphic pattern to match.
Lined Seahorse
FishHippocampus erectus
A striking Atlantic seahorse with real personality, but not a beginner's fish.
Long-finned Characin
FishBrycinus longipinnis
A lively West African schooler that needs space and confident tankmates.
Longnose Butterflyfish
FishForcipiger flavissimus
A needle-nosed reef hunter that picks prey from crevices other fish can't reach.
Longsnouted Pipefish
FishDoryichthys martensii
A slender, pipe-bodied hunter that lets the male handle all the parenting duties.
Longspine Cardinal
FishZoramia leptacantha
A tiny reef cardinalfish that gathers in shimmering clouds above branching coral.
Longspine seahorse
FishHippocampus histrix
A thorny Indo-Pacific seahorse with dramatic spines and a delicate nature.
Lubbock's Wrasse
FishCirrhilabrus lubbocki
A social, zooplankton-hunting wrasse that thrives in lively reef communities.
Lyretail Angelfish
FishGenicanthus caudovittatus
A rare peaceful angelfish with dramatic lyre-shaped tail fins and true sexual dimorphism.
Lyretail anthias
FishPseudanthias squamipinnis
Schooling reef anthias that shifts from female orange to vivid male purple.
Magenta Dottyback
FishPictichromis porphyrea
A bold little reef fish that punches well above its weight in personality.
Mahachai Betta
FishBetta mahachaiensis
A nipa palm specialist from coastal Thailand with iridescent blue-green armor.
Mandor
FishBetta mandor
A small, secretive Bornean mouthbrooder best kept in quiet, species-focused setups.