2003/2005 Antarctic Expeditions: Amphipods - Diving beneath the icy waters of Deception Island was like entering an alien environment almost devoid of large marine life. Indeed, the most dominant species seemed to be millions of tiny Amphipods. Amphipods are also small crustaceans. Amphipods have a hard shell on the outside of their bodies called an exoskeliton. Deception Island (classified as a restless caldera) is also noted for being the largest active volcano in the region and one of the main sources of seismic and volcanic activity in the Antarctic. More...