A study by Ecuador's National Biodiversity Institute in February revealed "heavy metals accumulation in fish" in several Amazonian rivers -- including the Aguarico and Cuyabeno that cross the ...

A study by Ecuador's National Biodiversity Institute in February revealed "heavy metals accumulation in fish" in several Amazonian rivers -- including the Aguarico and Cuyabeno that cross the ...

A study by Ecuador’s National Biodiversity Institute in February revealed “heavy metals accumulation in fish” in several Amazonian rivers — including the Aguarico and Cuyabeno that cross the reserve ...

The fish-fauna of the Caquetá-province in Columbia seemed similar to that of the upper Aguarico- and Napo-drainages in eastern Ecuador, where I had already fished a decade earlier. We met many ...

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