Tubastraea
Tubastraea coccinea

f22 @ 1/60S, ASA 25, Kodacrome 25 slide film, Nikonos II w 35mm and 1:2 extension tube, Oceanic 2000 flash with aluminum flash reflector

"Tubastraea coccinea," Wikipedia, the free encyclopedia. Tubastraea coccinea was first documented in 1943 on Caribbean reefs in CuraÃ§ao and Puerto Rico. T. coccinea is an invasive species that was documented to have spread as far north as the Florida Keys National Marine Sanctuary in 2004. Tubastraea is often found in deep waters because they do not require sunlight for nourishment. They often colonize on artificial surfaces - such as ship wrecks - for this reason.

Salt River Canyon, St. Croix, U.S. Virgin Islands

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