A very small cone shell, Conus sp., cruises across the sand at night with two mysid shrimp hitching a ride. The size of the grains of sand give you a

- Image ID: PC2YJ9

A very small cone shell, Conus sp., cruises across the sand at night with two mysid shrimp hitching a ride. The size of the grains of sand give you a

David Fleetham / Alamy Stock Photo

Image ID: PC2YJ9