Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and ...

Let’s look at some of the river’s monsters, the biggest fish in the Mississippi ... Some can measure as much as 5 feet long.

A new University of Alaska Fairbanks-led study has found that smaller Chinook salmon sizes are resulting in reproduction of ...

The giant freshwater stingray may be the world’s largest freshwater fish ... they hide at the bottom of the river. They’re not considered a good food fish in Southeast Asia, so they’re ...

A 300kg (661lb) stingray caught in the Mekong river in Cambodia is the biggest freshwater fish ever documented, scientists say. It unseated the previous record-holder, a 646lb (293kg) Mekong giant ...

Now, less than a month after those dams came down in the largest ... the Klamath River Renewal Corporation, the nonprofit entity created to oversee the project. “All in all, the fish that ...