The National Park of American Samoa and the National Marine Sanctuary of American Samoa divers assisted Nautilus researcher Dr. Peter Ward from the University of Washington in a release exercise within the national park, out from the village of Amalau. Researchers are investigating population density andspecies composition surrounding the waters of Tutuila Island.
It swims by drawing water into and out of its living chamber propels water like a jet propulsion. They do not have a good vision as their eye structure lacks a solid lens. They only have a simple pinhole eye open to its living environment.
Did You Know?
American Samoa, the only U.S. territory south of the Equator, consists of 10 rugged, highly eroded volcanic islands (five inhabited) and two coral atolls (one inhabited). The land area of the territory is 76 square miles.