Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the marine creatures lurking in the massive stretch of water remain ...

Approximately nine out of 10 studies focused on "Brazilian sites along the main Amazon River," and research routinely ...

Fears Amazon is in ‘delicate situation’ over rising mercury pollution - One figure stressed that health risks are particularly acute in the Amazon, where access to medical services is scarce ...

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Hosts of NPR's science podcast discuss new findings about long-distance fly migration, an unexpected impact of emissions in the Amazon, and fish noises.

BOGOTA, Colombia (AP) — As gold prices hover at record highs, a leading Catholic leader in Peru’s Amazon is urging countries ...

Local patrols in the Amazon are leading a conservation success story, protecting forests and wildlife against growing threats ...

SAO RAIMUNDO, Brazil - Even in the most biodiverse rainforest of the world, the pirarucu stands out: It can weigh up to 440 pounds, by far the largest of 2,300 known fish species in the Amazon. Not so ...

MAMIRAUÁ RESERVE, Brazil — On this stretch of the Amazon River, you don't need a fish finder to locate the pirarucu, one of the world's largest freshwater fish. The splashing gives them away. Like the ...

An international team of scientists, including an ESF professor, has discovered that a large, commercially important fish from the Amazon Basin has become extinct in some local fishing communities.