The Tucano River is a river located in the northern region of Brazil, primarily flowing through the state of Amazonas. It is a tributary of the larger Negro River, which is part of the vast Amazon River system. The river plays a significant role in the local ecosystem, supporting diverse wildlife and plant species. The Tucano River is also important for the communities living along its banks. It provides water for drinking, fishing, and transportation. The river's surrounding areas are rich in biodiversity, making it a vital resource for both the environment and the people who depend on it for their livelihoods.