Amazon basin fish species living in lakes, floodplain forests and river systems need a high degree of connectivity to stay genetically diverse and healthy, but this connectivity is threatened by ...

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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 ...

WWF-Pakistan has cautioned that an invasive fish species has been detected in water bodies across Sindh and Lower Punjab, ...

WWF warns invasive amazon sailfin catfish are spreading in Pakistan, endangering native fish, biodiversity and freshwater ...

Two years of record-breaking drought have dealt a heavy blow to what is arguably the Amazon's most successful sustainable economy: the managed fishery for the giant pirarucu. In Brazil´s Amazonas ...

The Payara, often called the vampire fish, is one of the most aggressive predators in South American rivers. In this video, I ...

A new type of giant Amazonian fish — one for which only a single species was known for more than a century — has been discovered in Brazil, scientists say. The fish is a new species of arapaima, which ...

In the Amazon, Johnny Appleseed may be a fish. When rivers in the Amazon Basin flood into surrounding forests and savannas, a fruit-eating fish called a tambaqui proves itself a champion at excreting ...