This reserve is an important habitat of many species of birds, fish, mammals and reptiles. The mangroves play an important direct and indirect role in maintaining the fish stock. The flora in the reserve is formed by hydrophytes whose growth cycle is in harmony with the aquatic environment.
Sea life includes fish, molluscs, oysters and other shellfish.
More than 55 species of fish use this wetland, and there are at least 10 commercially exploited species of shellfish. Resident and migratory bird species visit the area. Caiman crocodilus , Crocodylus acutus and Boa constrictor . It drains a basin of approximately 5,000 square kilometres. Its main tributary is the R o General along with its tributaries.