The Amazon Rainforest is one of the most extraordinary ecosystems on Earth, a vast green world stretching across multiple ...

For most animals, survival is a game of chance. Sexual reproduction mixes DNA, keeping the gene pool diverse and giving ...

A newly signed action plan aims to protect the migration cycle of the giant dorado catfish of the Amazon River ...

With evidence that the giant river otter is in an increasingly perilous state, delegates to the United Nations Convention on ...

A global assessment on migratory freshwater fish species, published in March, found that there are 325 species of migratory ...

Geographers quibble over whether the Amazon or the Nile is the longest river in the world. It depends on where the river’s ...

The Mekong giant catfish is an endangered freshwater species. Zeb Hogan. Many people are familiar with the epic migrations of zebras and wildebeest across the Serengeti, but some ...

The world’s migratory animals are in trouble, and the latest warning is hard to ignore. Nearly half of the species protected ...

We explore some of the most dangerous rivers on Earth and the deadly fish that lurk beneath their surface. From massive stingrays in Southeast Asia to electric eels and bull sharks in South America, ...

Only 25% of newly-delineated priority areas identified for the protection of freshwater fishes in Colombia overlap with existing protected areas, according to a recent study published in Diversity and ...

A Global Crisis Hiding in Plain Sight Something is dying in the world's great rivers, and most people have no idea it's ...

In the southern tip of Colombia’s Cauca department, known as the “boot” for its shoe-like shape, volunteer members of an ...