Species
Browsing 2,796 species. Use the filters below to narrow down.
Social Fairy Wrasse
FishCirrhilabrus rubriventralis
A jewel-toned Red Sea wrasse that dances through the water column in groups.
Sohal Tang
FishAcanthurus sohal
A bold Red Sea beauty that rules its territory with zero tolerance for rivals.
Soldier Lionfish
FishPterois miles
A bold, venomous reef predator wearing its warning in every fin.
Solid Coral
CoralPorites solida
A boulder-sized reef builder with a smooth, sculpted profile and understated elegance.
Solitary Cup Coral
CoralCynarina lacrymalis
A puffy, jewel-like solo coral that thrives in calm, dimly lit reef spots.
Solitary Disk Coral
CoralScolymia wellsii
A bold, single-polyp coral that rewards patient feeding with vivid growth.
Somphongs's Rasbora
FishTrigonostigma somphongsi
One of the rarest aquarium fish alive, rescued from the edge of extinction.
Sorong Rainbowfish
FishMelanotaenia fredericki
A compact Indonesian rainbowfish with vivid color that rewards attentive keepers.
South American Lungfish
FishLepidosiren paradoxa
A living fossil that breathes air, crawls on fins, and outlives most pets.
Southern Cup Coral
CoralCaryophyllia (Caryophyllia) inornata
A solitary cold-water cup coral with quiet charm and real character.
Southern Purple Spotted Gudgeon
FishMogurnda adspersa
A rare Australian native where the male does all the parenting. And most of the bossing around.
Southern Sailfin Catfish
FishPterygoplichthys anisitsi
A prehistoric-looking giant that moonlights as your tank's cleanup crew.
Southern Saratoga
FishScleropages leichardti
Australia's ancient surface predator, built for ambush and best kept alone.
Southern Sennet
FishSphyraena picudilla
A sleek Atlantic predator that schools in impressive numbers near the surface.
Spangled Cichlid
FishAcaronia vultuosa
A compact Orinoco predator that punches above its weight in planted setups.
Spanish Shawl
InvertFlabellina iodinea
A vivid Pacific nudibranch that's as demanding as it is decorative.
Spanish Toothcarp
FishAphanius iberus
A rare Mediterranean killifish worth keeping for conservation as much as curiosity.
Sparkling Eartheater
FishSatanoperca acuticeps
A sociable eartheater with three bold flank blotches, rarely seen in the trade.
Sparkling Gourami
FishTrichopsis pumila
Tiny gourami that settles disputes by croaking like a miniature frog
Spiketail Paradise Fish
FishPseudosphromenus cupanus
A shy, small labyrinth fish with secretive bubble-nesting habits worth watching.
Spilotus Cory
FishAspidoras spilotus
A tiny Brazilian cory relative that can gulp air when needed.
Spine Coral
CoralHydnophora bonsai
A compact, ridge-studded coral with an unusual bonsai-like branching form.
Spine Coral
CoralHydnophora exesa
A shape-shifting Indo-Pacific coral with tentacles out around the clock.
Spine Coral
CoralHydnophora grandis
A bold, architecturally distinctive coral with a reputation for territorial aggression.
Spine Coral
CoralHydnophora microconos
A tough, lumpy coral that earns its place on any intermediate reef.
Spine Coral
CoralHydnophora pilosa
A branching reef coral with tentacles out around the clock.
Spine Coral
CoralHydnophora rigida
Branching coral with distinctive ridged spines along every branch.
Spiny Catfish
FishClarotes laticeps
A wide-headed African predator that will outgrow most home aquariums.
Spiny Plate Coral
CoralEchinopora lamellosa
Tiered, whorl-shaped plates that can dominate entire shallow reef flats.
Spiny Stream Pleco
FishHypostomus latifrons
A hardy Paraguayan armored catfish with a surprising ability to breathe air.
Splash Tetra
FishCopella arnoldi
The fish that leaps out of water to lay eggs on leaves above the surface.
Splash Tetra
FishCopella carsevennensis
A tiny surface-dweller with one of the most acrobatic spawning rituals in freshwater fishkeeping.
Splendid Killifish
FishAphanius splendens
A rare Turkish killifish relative worth keeping for conservation as much as curiosity.
Splendid Killifish
FishAphyosemion splendopleure
A jewel of West African rainforest streams that rewards patient, dedicated keepers.
Splendid Rainbow Wrasse
FishHalichoeres marginatus
A reef wrasse that shifts from drab to vivid as it matures.
Spotcheek Cichlid
FishThorichthys maculipinnis
A gentle Central American cichlid that surprises with its delicate spotted fins.