Deepwater
From coraldigest
Deepwater Coral
Not all coral species live in tropical, shallow waters. There are many species of deepwater coral that rely solely on their extended polyps for food. Little is known about these species, and new species of deepwater coral are discovered on a regular basis.
Deepwater corals are comparable to trees
Contents
Habitat
Deepwater Corals can occur up to 6,000m below the ocean's surface and live in waters as cold as -1 degree Celsius. <ref>"Deep-sea Corals." Smithsonian Ocean Portal. Smithsonian Insitution. Web. 10 Feb. 2015. <http://ocean.si.edu/deep-sea-corals>.<ref>