It’s the longest migration of any freshwater fish in the world, according to new research—and that creates a host of dangers for this unusual animal. The dorado (pictured, a juvenile from Brazil) is ...

The epic migration of a 6-foot long, 200-pound catfish The epic migration of a 6-foot long, 200-pound catfish Egypt's first pharaohs loved catfish—and worshipped them Egypt's first pharaohs loved ...

The Numbers Tell An Incredible Story The Amazon basin houses over three million species in its rainforest ecosystem, with ...