Selection of freshwater ecoregions

Freshwater habitats

Click on the map and find out, where the major habitat types are

Some of the most diverse vertebrate assemblages on Earth occur in freshwater communities of the Amazon and the Orinoco River basins. Over 3000 species of fish are estimated to occur in the Amazon Basin alone.⁽¹⁾

Small river basins are represented by 21 ecoregions, large lakes by 4 ecoregions, small lakes by 7, xeric basins by 3 ecoregions, large river headwaters by 5, large river deltas by 6 ecoregions, and large rivers by 7 ecoregions.

Select one of the options below to get more information about the specific habitat type.

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Selection of freshwater ecoregions

Freshwater habitats

Some of the most diverse vertebrate assemblages on Earth occur in freshwater communities of the Amazon and the Orinoco River basins. Over 3000 species of fish are estimated to occur in the Amazon Basin alone.(1)

Some of the most diverse vertebrate assemblages on Earth occur in freshwater communities of the Amazon and the Orinoco River basins. Over 3000 species of fish are estimated to occur in the Amazon Basin alone.⁽¹⁾