**UPDATE: WE ARE AWAY 07/20 - 07/24 & SHIPPING THAT WEEK IS SUSPENDED. SHIPPING WILL RESUME 07/27**

Collections

Riphocephalus
Very similar to the Penicillus genus, but with a more unusual growth pattern. Often...

Riphocephalus
Sales & Promotions

Sales & Promotions
Sargassum
Most people know this one! The Sargassum genus is responsible for those large, brownish-yellow...

Sargassum
Scallops & File Clams

Scallops & File Clams
Scinaia
Scinaia, commonly confused with Rhodopeltis, are a genus of rubbery branching red algae...

Scinaia
Sea Cucumbers

Sea Cucumbers
Sea Sponges & Tunicates

Sea Sponges & Tunicates
Sea Stars

Sea Stars
Sea Stars, Brittle Stars, Urchins, & Cucumbers
Our collection of sea stars, urchins, and sea cucumbers brings some of...

Sea Stars, Brittle Stars, Urchins, & Cucumbers
Sea Urchins

Sea Urchins
Serpent, Brittle, & Crinoid Stars

Serpent, Brittle, & Crinoid Stars
Shrimp

Shrimp
Slugs, Hares, & Nudibranch

Slugs, Hares, & Nudibranch
Snails, Slugs, & Conchs

Snails, Slugs, & Conchs
Solitary Tunicates

Solitary Tunicates
Tree, Ear, & Beard Sponges

Tree, Ear, & Beard Sponges
Tridacna Clams
True Crabs

True Crabs
Turban & Trochus Snails

Turban & Trochus Snails
Turbinaria
Turbinaria features disc-like, toothed growth surrounding a central thallus.

Turbinaria
Udotea
The Udotea genus is a calcareous, sand-dwelling species that is often referred to as...

Udotea
Ulva
A popular refugium genus, Ulva features an array of fast-growing green species.

Ulva
Unique Species
Some algae fall out of the strictly red/green/brown colors. Many red species...

Unique Species
WYSWYG Macroalgae & More
*ALL WYSWYG REQUIRES UPS NEXT-DAY AIR TO QUALIFY FOR OUR LAG* How...

WYSWYG Macroalgae & More