Rio Negro River

The Rio Negro is the largest left Tributary of the Amazon River as it accounts for 14% of the total water of the Amazon River. The Rio Negro is the largest Blackwater River in the world and its name literally translates to the Black River. The Rio Negro very rich in species of fauna. Over 700 species of fishes are found in the river and is expected to have 100-200 more yet to be discovered. This abundance of fish is the reason for a thriving fishing industry in the basin of the river.