The Pantanal is a natural region encompassing the world's largest tropical wetland area, and the world's largest flooded grasslands. It is located mostly within the Brazilian state of Mato Grosso do Sul, but it extends into Mato Grosso and portions of Bolivia and Paraguay. It sprawls over an area estimated at between 140,000 and 195,000 km2. Various subregional ecosystems exist, each with distinct hydrological, geological and ecological characteristics; up to 12 of them have been defined.
Typical Pantanal scenery
The Paraguay River is a major river in south-central South America, running through Brazil, Bolivia, Paraguay and Argentina. It flows about 2,695 kilometres (1,675 mi) from its headwaters in the Brazilian state of Mato Grosso to its confluence with the Paraná River north of Corrientes and Resistencia.
Deep water port on the River Paraguay in Asunción, Paraguay
The very clear waters of the Rio da Prata, part of the Paraguay River basin near Bonito, Brazil, is rich in fish, such as Brycon hilarii (yellowish) and Prochilodus lineatus (dark)
A golden dorado (foreground) and four Brycon hilarii (behind) in Rio da Prata, part of the Paraguay River basin near Bonito, Brazil
Paraguay River in the Amolar Mountains, in Corumbá, Mato Grosso do Sul, Brazil