The biggest freshwater fish ever documented was found in the Mekong river in Cambodia, according to scientists. Weighing in at 300kg (661lb), the giant stingray was studied and tagged before being ...

So, what would cause a country to ban a fish? Click here to find out why the beluga sturgeon is banned in the U.S.

The giant freshwater stingray may be the world’s largest freshwater fish. It’s also cloaked in mystery. No one is sure how many giant stingrays are left, which habitats they prefer ...

BANGKOK--The world’s largest recorded freshwater fish, a giant stingray, has been caught in the Mekong River in Cambodia, according to scientists from the Southeast Asian nation and the United ...

Native to China’s Yangtze River, the Chinese paddlefish was thought by many to be the world’s largest freshwater fish, with reports of individuals reaching a mind-boggling 23 feet in length ...

There aren't enough fish and living by the lake has become ... the river system helped make the Mekong Basin the world’s ...

This is where leaf litter and debris from the floodplain wash into the river, depleting levels of oxygen and causing mass deaths of both fish and crayfish. Then another Murray blackwater event in ...

An curved arrow pointing right. The world's largest freshwater fish was found in Cambodia's Mekong River. The stingray stretched 13 feet and weighed 661 pounds. More from News The world's largest ...

This is where leaf litter and debris from the floodplain wash into the river, depleting levels of oxygen and causing mass deaths of both fish and crayfish. Then another Murray blackwater event in ...

He is coauthor of Chasing Giants: In Search of the World’s Largest Freshwater Fish. We are at a critical time and supporting climate journalism is more important than ever. Science News and our ...

The Murray crayfish disappeared from large parts of its range over the past 40 years. Now a community-driven reintroduction ...