Clear Lake, California’s largest freshwater lake, which is next to an abandoned mercury mine, turned a sickly shade of ...

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.

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 ...

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 ...

Catfish are a popular catch-and-release fish for extreme anglers. They are easy to catch, and their large size makes them ...

We traveled the 90-mile or so road from Miami, along pine forests, cypress swamps, sawgrass marshes, and ponds to this final ...

Clear Lake's water quality suffers from low-to-no-oxygen conditions, finds a report from UC Davis Tahoe Environmental ...

"Almost impossible to penetrate the fish's skin with these covering it ... "Didn't know these were saltwater also, thought just freshwater," wrote one person. "That is scary looking" read ...

Salmon are struggling to survive. So are the families of endangered southern resident orcas, with a population of just 73, ...

Have you ever heard of the breathtaking Sardine Run? It’s an incredible spectacle: a single, immense school of sardines that stretches up to seven miles long, two miles wide, and 30 feet deep — making ...