Species
Browsing 373 species. Use the filters below to narrow down.
Scarlet Reef Hermit Crab
InvertPaguristes cadenati
A tireless little reef cleaner with bold red legs and a peaceful disposition.
Scissortail Dartfish
FishPtereleotris evides
A graceful reef dartfish that hovers in open water and pairs for life.
Scooter Blenny
FishSynchiropus ocellatus
A reef-floor hunter with detailed patterns and a surprisingly long lifespan.
Scott's Wrasse
FishCirrhilabrus scottorum
A brilliantly colored fairy wrasse that rewards patient, experienced reef keepers.
Scroll Coral
CoralAgaricia undata
A low-light Caribbean plate coral with elegant scrolling, layered growth.
Sea Fan
CoralPacifigorgia irene
A deep-color Eastern Pacific sea fan for high-flow reef displays.
Sea Pony
FishHippocampus fuscus
A monogamous, eelgrass-dwelling seahorse from the Indian Ocean with pair-bonding rituals.
Sea Walnut Comb Jelly
InvertMnemiopsis leidyi
A glowing, gelatinous predator that belongs in a very specialized setup.
Sebae Anemone
InvertHeteractis crispa
A large, long-tentacled anemone that hosts clownfish but demands strong light and stable water.
Serpent Coral
CoralPachyseris foliosa
Frilly, whorl-forming coral that brings sculptural elegance to protected reef displays.
Sevenband Butterflyfish
FishChaetodon punctatofasciatus
A boldly patterned reef butterfly that pairs for life and rarely strays far from coral.
Sexy Shrimp
InvertThor amboinensis
Tiny reef shrimp with a wiggling rear end that never stops moving.
Sharknose goby
FishElacatinus evelynae
A tiny Caribbean cleaner fish that services sharks and rays without hesitation.
Sharksucker
FishEcheneis naucrates
The fish that hitchhikes on sharks, and occasionally tries to attach to divers.
Skunk Cleaner Shrimp
InvertLysmata amboinensis
The reef's tiny cleaning crew, grooming fish who line up for the service.
Social Fairy Wrasse
FishCirrhilabrus rubriventralis
A jewel-toned Red Sea wrasse that dances through the water column in groups.
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.
Southern Cup Coral
CoralCaryophyllia (Caryophyllia) inornata
A solitary cold-water cup coral with quiet charm and real character.
Spanish Shawl
InvertFlabellina iodinea
A vivid Pacific nudibranch that's as demanding as it is decorative.
Splendid Rainbow Wrasse
FishHalichoeres marginatus
A reef wrasse that shifts from drab to vivid as it matures.
Spotted Lagoon Jelly
InvertMastigias papua
A photosynthetic jellyfish from Palau's legendary landlocked lake.
Spotted Shrimp Goby
FishAmblyeleotris guttata
A reef sand specialist that shares its home with an almost-blind shrimp partner.
Squamosa Clam
InvertTridacna squamosa
A beginner-friendly giant clam with dramatic, fluted shell edges and vivid mantle colors.
Squaretail Bristletooth
FishCtenochaetus truncatus
A compact Indian Ocean grazer that earns its keep on nuisance algae.
Staghorn Coral
CoralAcropora austera
A branching reef-builder that demands turbulent water and intense light to thrive.
Starlet Sea Star
InvertAsterina gibbosa
A tiny, hardy sea star that's more interesting than it first appears.
Star Snail
InvertAstraea tecta
A tireless reef tank janitor that scrapes algae from glass and rock with quiet efficiency.
Stellate Dragonet
FishSynchiropus stellatus
A pint-sized predator from Indian Ocean reefs, built for life among the rubble.
Stocky Anthias
FishPseudanthias hypselosoma
A robust, gregarious anthias that thrives in calmer reef lagoons across the Indo-Pacific.
Strawberry Anemone
CoralCorynactis annulata
A tough, colorful corallimorpharian that thrives where most corals struggle.
Strawberry Anemone
CoralCorynactis californica
A Pacific anemone lookalike that carpets rocky reefs in vivid, candy-like clusters.
Sun Coral
CoralTubastraea coccinea
Brilliant orange polyps that only open at night. And demand to be fed.
Sun Coral
CoralTubastraea violacea
A rare subtropical sun coral from Hong Kong's reef slopes, thriving in low light.
Sun Zoanthid
CoralPalythoa grandis
Bold colonial polyps from Costa Rica's reefs, forgiving enough for beginner reef tanks.
Swales' Basslet
FishLiopropoma swalesi
A secretive reef gem that rewards patient, detail-oriented keepers.