The Elephant Seal is a huge seal of the genus Mirounga. There are two species, one in each hemisphere. The southern elephant seal, is found in Antarctic waters, while the northern elephant seal lives on islands of California and Mexico. The elephant seal is the largest amphibious animal. The bulls have a huge proboscis, and may weigh 750 lbs, and 8 ft in length at maturity although old males can approach 11 ft long and weigh 1,375 lbs in rare cases.