"Levels of a now-banned toxic pollutant continue to decline in the tissue of coho and chinook salmon in Lake Michigan waters."

"A new census study shows there are more than 2,400 white sharks off California and suggests that existing protective measures should be maintained because they are increasing the size and health of the population."

Cafeterias, prisons and federal food programs may soon be serving a high-mercury fish in seemingly innocuous form.

"'The worry is that if you have reduced swimming performance you're going to be less effective at capturing prey, and less effective in avoiding (predators),' said Martin Grosell, a professor at the University of Miami's Rosenstiel School of Marine and Atmospheric Science."

"ORCAS ISLAND, Wash. — Drew Harvell peers into the nooks and crannies along the rocky shoreline of Eastsound on Orcas Island. Purple and orange starfish clutch the rocks, as if hanging on for dear life. In fact, they are."

"Anglers in a recent fishing derby on Michigan’s Pine River got news far better than pulling in the largest fish."

"Millions of young rainbow and steelhead trout are being evacuated from California's most productive hatchery complex as summer heat and the state's ongoing drought combine to make the water too warm for them to survive, officials said Tuesday."

"Drive just an hour and half north of San Francisco and you're in Drakes Estero, or estuary, named for the first English explorer to lay claim to California."

"Federal officials on Tuesday announced major changes in advice to pregnant and breastfeeding women by recommending consumption of at least 8 ounces of low-mercury fish per week."