Four Pencil (aka: Slate) Urchins marching through a coral crevice on a reef in Kona, Hawaii.
Close-up of the polyps of a red sea fan in the feeding process of trapping plankton in it’s tentacles.
The fleshy portion of a Tridacna Clam in the islands of Palau, Micronesia.
Feathered Starfish clinging onto star coral with diver observing the reef in the near distance.
Stings cells and membrane of living soft coral.