The Amazon constitutes 20% of the global pour by any river in an Ocean. The river covers a basin area of 7,050,000 square km which is approximately 1/5th of the word’s total river flow.
5. The Mekong River
Depth – 100 meters (328ft)
The Mekong River is the 5th deepest river in the world, the largest and longest river in the South-east Asian region, the 7th longest in the whole of the Asian region and the 12th longest river in the world.
This river is 4,350kms long and its basin covers 795,000square km. beyond that, this river encompasses a rich area of biodiversity in the world which includes 20,000 plant species, an estimated 850 fish species, 430 mammals, 800 reptiles, and amphibians as well as 1,200 birds.