A giant anemone all closed up. Anemones evolved from coral and are basically one seriously overgrown motile polyp. These anemones often cover 3-4 ft when open and rise about 1 ft. higher than their anchor point - they are huge.

2003:09:06 07:43:47
Island: Banta
Dive Site: K2
Speed: 1/30 sec
Aperture: f8.0
ISO: 64
Exposure Compensation: 0.0
Exposure Program: Aperture Priority
Focal Length: 7 mm
Flash: