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Species

Browsing 1,466 species. Use the filters below to narrow down.

Small Knob Coral

Small Knob Coral

Coral

Astrea devantieri

Bold red-and-green boulder coral from the lesser-explored western Indian Ocean.

Small Knob Coral

Small Knob Coral

Coral

Plesiastrea versipora

A shade-loving reef coral that thrives where brighter species fear to go.

Smooth cauliflower coral

Smooth cauliflower coral

Coral

Stylophora pistillata

A chunky, branching SPS coral that thrives where the waves hit hardest.

Snake Polyp

Snake Polyp

Coral

Isaurus cliftoni

A reef-safe Pacific zoanthid that's forgiving enough for beginners to keep.

Snake Polyp

Snake Polyp

Coral

Isaurus tuberculatus

Unusual colonial zoanthid with a distinctly tubular, snake-like body form.

Snowflake Blenny

Snowflake Blenny

Fish

Salarias ramosus

A personable reef grazer with bold patterning and surprising air-breathing ability.

Snowflake Coral

Snowflake Coral

Coral

Carijoa riisei

A soft, branching coral that frosts live rock with white, feathery polyps.

Snowflake Eel

Snowflake Eel

Fish

Echidna nebulosa

A crustacean-crushing moray that coexists peacefully with fish tankmates.

Social Fairy Wrasse

Social Fairy Wrasse

Fish

Cirrhilabrus rubriventralis

A jewel-toned Red Sea wrasse that dances through the water column in groups.

Soft Coral

Soft Coral

Coral

Alcyonium pacificum

A soft coral from Japanese waters that suits newer reef keepers well.

Sohal Tang

Sohal Tang

Fish

Acanthurus sohal

A bold Red Sea beauty that rules its territory with zero tolerance for rivals.

Soldier Lionfish

Soldier Lionfish

Fish

Pterois miles

A bold, venomous reef predator wearing its warning in every fin.

Solid Coral

Solid Coral

Coral

Porites solida

A boulder-sized reef builder with a smooth, sculpted profile and understated elegance.

Solitary Cup Coral

Solitary Cup Coral

Coral

Cynarina lacrymalis

A puffy, jewel-like solo coral that thrives in calm, dimly lit reef spots.

Solitary Disk Coral

Solitary Disk Coral

Coral

Scolymia wellsii

A bold, single-polyp coral that rewards patient feeding with vivid growth.

Southern Cup Coral

Southern Cup Coral

Coral

Caryophyllia (Caryophyllia) inornata

A solitary cold-water cup coral with quiet charm and real character.

Southern Sennet

Southern Sennet

Fish

Sphyraena picudilla

A sleek Atlantic predator that schools in impressive numbers near the surface.

Spanish Shawl

Spanish Shawl

Invert

Flabellina iodinea

A vivid Pacific nudibranch that's as demanding as it is decorative.

Spine Coral

Spine Coral

Coral

Hydnophora bonsai

A compact, ridge-studded coral with an unusual bonsai-like branching form.

Spine Coral

Spine Coral

Coral

Hydnophora exesa

A shape-shifting Indo-Pacific coral with tentacles out around the clock.

Spine Coral

Spine Coral

Coral

Hydnophora grandis

A bold, architecturally distinctive coral with a reputation for territorial aggression.

Spine Coral

Spine Coral

Coral

Hydnophora microconos

A tough, lumpy coral that earns its place on any intermediate reef.

Spine Coral

Spine Coral

Coral

Hydnophora pilosa

A branching reef coral with tentacles out around the clock.

Spine Coral

Spine Coral

Coral

Hydnophora rigida

Branching coral with distinctive ridged spines along every branch.

Spiny Plate Coral

Spiny Plate Coral

Coral

Echinopora lamellosa

Tiered, whorl-shaped plates that can dominate entire shallow reef flats.

Spiny Sea Fan

Spiny Sea Fan

Coral

Muricea elongata

A bold, branching Atlantic sea fan that rewards patient intermediate reefers.

Spiny Sea Fan

Spiny Sea Fan

Coral

Muricea muricata

A branching Atlantic sea fan that thrives in surge and current.

Splendid Rainbow Wrasse

Splendid Rainbow Wrasse

Fish

Halichoeres marginatus

A reef wrasse that shifts from drab to vivid as it matures.

Spotted Hawkfish

Spotted Hawkfish

Fish

Cirrhitichthys oxycephalus

A bold little percher that claims coral real estate and rarely budges.

Spotted Lagoon Jelly

Spotted Lagoon Jelly

Invert

Mastigias papua

A photosynthetic jellyfish from Palau's legendary landlocked lake.

Spotted Mandarin

Spotted Mandarin

Fish

Synchiropus picturatus

A reef gem with striking patterns and a famously picky appetite.

Spotted Shrimp Goby

Spotted Shrimp Goby

Fish

Amblyeleotris guttata

A reef sand specialist that shares its home with an almost-blind shrimp partner.

Spotted Toby

Spotted Toby

Fish

Canthigaster solandri

A compact reef puffer with vivid spotted patterning and a surprisingly mild temperament.

Squamosa Clam

Squamosa Clam

Invert

Tridacna squamosa

A beginner-friendly giant clam with dramatic, fluted shell edges and vivid mantle colors.

Squaretail Bristletooth

Squaretail Bristletooth

Fish

Ctenochaetus truncatus

A compact Indian Ocean grazer that earns its keep on nuisance algae.

Staghorn Coral

Staghorn Coral

Coral

Acropora millepora

A fast-growing reef builder that rewards precise water chemistry with dense, bushy colonies.