Pigmi is a type of hippopotamus.we can find it in Western America.They are lived in jungle with out any group.In the year 1853 Mr.Samuel ji Marten first invent this animal.They eat various type of fruits,leaves,farn and grass etc.They are biggest in shape than Indian hippopotamus.Pigmi's soulder long upto 75-100 cm,and waight is 180-275 kg.