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Big Blue Conservation - Soft Coral

Soft corals are so called because they do not produce calcium carbonate skeletons. Instead their skeletons are made up of elements called sclerites and they give the coral a degree of support.
Because of their relatively soft structure they are not reef building corals. Soft corals tend to thrive in nutrient-rich waters with less light intensity. Like hard corals, they do depend upon zooxanthellae for the majority of their energy as a major energy source. The polyps of soft coral will have eight or multiples of eight tentacles whereas hard coral polyps will have six or multiples of six.