The Cuyahoga Valley National Park is inviting the public to help release young lake sturgeon into the Cuyahoga River, as part ...

Two giant bluefin tuna return to Whitby nearly 90 years after the species vanished from the historic fishing port.

Rivers have been the lifeblood of human civilization throughout history, and yet we know surprisingly little about what lives in many of them—including the giant creatures that prowl their depths.

A huge fish in the Mekong River thought to be extinct has been spotted three times in recent years. "The giant salmon carp is like a symbol of the Mekong region," said Chheana Chhut, a researcher at ...

Wild populations of the iconic Mekong giant catfish will be driven to extinction if hydropower dams planned for the Mekong River go ahead, says a new report by WWF. Wild populations of the iconic ...

Art Weston's 153-pound alligator gar stands to replace his own world record in the 2-pound test category. Alligator gar have all the major characteristics of a trophy gamefish. They'll eat a variety ...

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 ...

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 ...

Sometimes you start something and have no idea where it will lead. So it was with Eduardo Filgueiras, a struggling guitarist whose family worked in an unusual business in Rio de Janeiro: They farmed ...