Species
Browsing 723 species. Use the filters below to narrow down.
Shell-dweller
FishNeolamprologus similis
Tiny shell-dwelling cichlid with a ferocious personality well above its size.
Shell Dweller
FishLamprologus kungweensis
A tiny Lake Tanganyika shell brooder that digs its own burrow network.
Shell-dwelling Cichlid
FishNeolamprologus brevis
A pint-sized Tanganyikan cichlid that treats a snail shell like a fortress
Shimoga Loach
FishNemachilichthys shimogensis
A rarely seen Indian stream loach that does best with a few of its own kind.
Short-lined Pyrrhulina
FishPyrrhulina brevis
A compact Amazonian predator with surprising personality for its size.
Silver Arawana
FishOsteoglossum bicirrhosum
An ancient, leaping predator that quickly outgrows almost every home aquarium.
Silver dolphin catfish
FishAgeneiosus atronasus
A compact Amazonian predator that fits surprisingly well in a community setup.
Sittang Mystus
FishHemibagrus peguensis
A rarely seen Myanmar catfish with bold spotted flanks and an orange tail.
Six-banded Distichodus
FishDistichodus sexfasciatus
A boldly striped river giant that outgrows most aquariums and most owners' expectations.
Sixbar Panchax
FishEpiplatys sexfasciatus
A surface-dwelling West African killifish with bold barring and easy breeding potential.
Sixbar Panchax
FishEpiplatys sexfasciatus sexfasciatus
A sleek African killifish that hunts from the surface with cool precision.
Six-line Wrasse
FishPseudocheilinus hexataenia
A bold, reef-safe hunter that punches well above its size in attitude.
Skunk clownfish
FishAmphiprion akallopisos
The pale skunk stripe makes this anemonefish one of the most recognizable in the ocean.
Skunk Loach
FishYasuhikotakia morleti
A feisty, burrowing loach with complex social behavior and a bold personality.

Sleeper
FishNimbochromis livingstonii
The Lake Malawi cichlid that fakes its own death to ambush prey.
Sleeper Goby
FishDormitator lebretonis
A West African brackish-water goby with bold adult coloration and an appetite to match.
Slender Betta
FishBetta bellica
A slender peat swamp betta that rewards patient, thoughtful keepers
Slender Danio
FishBrachydanio sp. "TW01"
A lively Myanmarese danio with a bold caudal peduncle mark and plenty of personality.
Slender Danios
FishBrachydanio feegradei
A lively schooling danio from Myanmar's isolated western mountains.
Slippery Dick
FishHalichoeres bivittatus
A bold, fast-moving wrasse that earns its unforgettable name.
Smallscale Archerfish
FishToxotes microlepis
The freshwater archer that hunts insects by spitting water with sniper precision.
Snake-skin Gourami
FishTrichopodus pectoralis
A big, peaceful gourami with wild origins in the flooded forests of Southeast Asia.
Snowflake Blenny
FishSalarias ramosus
A personable reef grazer with bold patterning and surprising air-breathing ability.
Snowflake Eel
FishEchidna nebulosa
A crustacean-crushing moray that coexists peacefully with fish tankmates.
Spangled Cichlid
FishAcaronia vultuosa
A compact Orinoco predator that punches above its weight in planted setups.
Spanish Toothcarp
FishAphanius iberus
A rare Mediterranean killifish worth keeping for conservation as much as curiosity.
Spiketail Paradise Fish
FishPseudosphromenus cupanus
A shy, small labyrinth fish with secretive bubble-nesting habits worth watching.
Spine Coral
CoralHydnophora grandis
A bold, architecturally distinctive coral with a reputation for territorial aggression.
Splendid Killifish
FishAphyosemion splendopleure
A jewel of West African rainforest streams that rewards patient, dedicated keepers.
Spotfin Goby Cichlid
FishTanganicodus irsacae
A wave-zone specialist that hops across rocks like no other cichlid.
Spotfin Spiny Eel
FishMacrognathus siamensis
A slender, burrowing oddity with a row of false eyes along its back.
Spot-tail
FishBrycinus imberi
A wide-ranging African schooler that brings energy and size to larger tanks.
Spotted garra
FishGarra spilota
A reddish-finned Burmese stream fish with boldly blotched flanks and genuine personality.
Spotted Hampala Barb
FishHampala dispar
A fast-moving Mekong predator that stays manageable enough for a large community tank.
Spotted Hawkfish
FishCirrhitichthys oxycephalus
A bold little percher that claims coral real estate and rarely budges.
Spotted leporinus
FishLeporinus maculatus
A swift-water Guianan pencilfish relative with a spotted pattern and real personality.