Large protruding muscular foot of clam is red because of intracellular
hemoglobin. The large foot is used to either anchor the clam in one place or
to move the clam about.
Image ID: expl6086, Voyage To Inner Space - Exploring the Seas With NOAA Collect Photo Date: 2010 August 3 Credit: NOAA Okeanos Explorer Program, INDEX-SATAL 2010
