7 ft (2 m)
3–180 ft (1–55 m)
Sea plumes are a group of soft corals that are common through the Western Atlantic. Sea plumes occupy a wide range of depths and usually prefer locations where constant, but gentle, currents provide a fresh supply of nutrients and plankton to consume. Like hard corals, they also photosynthesize.
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There are several species of sea plume, each of which are similar in appearance to large bushes with featherlike branches, hence the name sea plume. The species can be challenging to tell apart and identification is usually determined through an analysis of polyps on their branches.