Add Yahoo as a preferred source to see more of our stories on Google. Alessandro Biancardi with the pending world-record Wels catfish. Although it's hard to say for sure, this is likely the biggest ...

For over 28 million years, whale sharks have survived everything the planet has thrown at them. Yet modern science still cannot confirm where they give birth. Fewer than a few dozen newborns have ever ...

The Mekong River hides some of the largest freshwater fish on Earth, and in 2005, village fishermen in northern Thailand hauled in a Mekong giant catfish so massive that scientists compared it to a ...

The ‘megafish’ living in southeast Asia’s Mekong River once faced extinction. A new rapid response system is helping reverse their dire outlook. The Mekong River flows through southeast Asia and is ...