males weigh from 3300 to 6600 lbs. They are about 10 to 12 feet long. Life span around 35 years. They make bellowing oinks and grunts and snorts.
They live in water . They live in groups of 10 to 20 . They stay under water up to five minutes
They can eat up to 100 lbs of food per night. Prefer short green grass