In this Overview, the Rio Negro winds through the State of Amazonas in northwestern Brazil. Traveling 1,400 miles (2,250 km) from southern Colombia to Manaus, Brazil, it is the largest left tributary of the Amazon River, the largest blackwater river in the world and one of the world's 10 largest rivers by average discharge. The Rio Negro has a very high species richness; it is home to at least 800 fish species, including about 100 endemics and several undescribed species.-1.219979°, -62.250502°
Rio Negro, Amazonas, Brazil
Rio Negro, Amazonas, Brazil
Rio Negro, Amazonas, Brazil
In this Overview, the Rio Negro winds through the State of Amazonas in northwestern Brazil. Traveling 1,400 miles (2,250 km) from southern Colombia to Manaus, Brazil, it is the largest left tributary of the Amazon River, the largest blackwater river in the world and one of the world's 10 largest rivers by average discharge. The Rio Negro has a very high species richness; it is home to at least 800 fish species, including about 100 endemics and several undescribed species.-1.219979°, -62.250502°