Elephant Seal
There are two places that these seals live in, in the North, and in the South. Their weight varies from 500 pounds to up to about 5,000 pounds. Their length is from 118 inches to about 200 inches.
Finless Porpoise
This type of porpoise lives around Japan. It is 50 to 70 inches and weighs around 75 pounds. It can live for about 23 years.