A fisherman in northern Cambodia hooked what researchers say is the world’s largest freshwater fish — a giant stingray that scientists know relatively little about. The fisherman, 42, caught the ...

Last year, a fisher caught the world’s largest freshwater fish, a Mekong giant stingray, in the Mekong River in Cambodia. After tracking the fish for a year, researchers are publishing research about ...

With their flat bodies and long, barbed tails, stingrays look like creatures from another world. These marine-dwelling vertebrates are found in warm and shallow waters around the Earth's tropical and ...

Nat Geo Explorer Zeb Hogan has spent decades asking the question. “I thought there would be a simple answer,” he now concedes, after recording a 661-pound stingray. “I was wrong.” Scientists tag and ...

What has long been one of the great wildlife mysteries – the identity of the world’s largest freshwater fish – appears to have been solved last week as fishers in northern Cambodia, working with an ...