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Distribution:	It is spread almost in the whole Africa, Madadagascar included, but in some areas it's very rare.
Habitat:	Rivers and lakes of Africa.
Size:	Lenght until 7 m.
Behaviour:	It spends the night in the water and the day on the ground.
Food:	Carnivorous, it attacks big sized animals too.
Reproduction:	The female lays more than 40 eggs that are brooded for 11 or 14 weeks.
Longevity:	Their real longevity is unknown, but they surely live more than 25 years.