One of the beautiful Serpulid or Christmas Tree Worms (Spirobranchus sp.) among orange Sponges and greenish Algae.
Shipwreck Balboa, Georgetown Harbor, Grand Cayman Island, BWI. - Depth 25 feet or 8 meters
 

Colorful Marine Invertebrates - Caribbean Underwater Photography Gallery IV

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Colorful Marine Invertebrates

Caribbean Underwater Photography Gallery IV

 
 
 
 *  A delicately colored member of one of the most beautiful of the Serpulid Worms, the Christmas Tree Worm or  (Spirobranchus giganteus).  Unlike the Sabellid Worms, the Serpulid possess a calcareous tube.  The operculum is purple, and bears two horns.  The entire worm can quickly withdraw into the tube, the operculum close, and the worm is thus protected from predators.  Visible in the image also are orange sponges (Ulosa hispida), and a Brown Algae, possibly (Dictyota sp.).

Shipwreck Balboa, Georgetown Harbor, Grand Cayman Island. - Depth 25 feet  or 8 meters

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