Light-edged Ribbon Worm    Cerebratulus californiensis

This fellow is a commonly seen member of the ribbon worm group of worms.  At around 12 inches this specimen is at the maximum size for the species.  It is quite fragile and was in the process of breaking apart when the photograph was taken.  See the yellow-bellied ribbon worm for more  information on this group of organisms.

Light-edged Ribbon Worm is found under the sandy mud during the daytime, but may be  found on the surface of the sediments at night.  It has also been seen swimming.

Besides living in the intertidal zone, it can also be found in the subtidal zone to a depth of around 165 feet.  It is distributed from southern British Columbia to northern Mexico.