The Amazon is the largest river in the world by volume, with a total river flow that accounts for approximately one-fifth of the world’s total. The river has over 3,000 recognized species of fish and new species are still being discovered. The Amazon Rainforest represents over half of the planet’s remaining rainforests. As the largest tropical rainforest it has has an unparalleled biodiversity. One in ten known species in the world live in the Amazon Rainforest.