"Plummeting sardine populations could lead to a complete ban on harvesting the small oily fish off the U.S. West Coast starting later this year, officials with the Pacific Fishery Management Council said on Tuesday."

"A remarkable adventure came to a dramatic end Monday: The captain of a rogue fishing vessel that had been tailed by activists for more than three months apparently sank his ship off West Africa rather than face arrest with a load of illegally caught fish."

"Five generations of Philip Vinson's family have labored using tongs to pull oysters from Apalachicola Bay's shallow waters. He fears there won't be a sixth."

"Dolphins are dying in unusually high numbers. Sea turtle nests are declining. Tuna are developing abnormally. And pelicans and gulls are still suffering from the lasting effects of a massive oil spill in the Gulf of Mexico five years ago, the National Wildlife Federation warned in a report released Monday."

Preliminary evidence from an annual survey shows that blue crab populations in the Chesapeake Bay are starting to rebound.

"On a recent afternoon, Gregg Houghaboom pointed to a photo of a fish fillet and asked a room full of ocean experts to identify it. They couldn't. Absent a head, tail and scales, it looked like a hunk of grouper -- but it was actually Lake Victoria perch."

"A U.S. government agency that manages West Coast fisheries approved a prohibition on Tuesday on fishing seven categories of forage fish in a groundbreaking decision that signals a shift toward an ecosystem-based management."

"Most of Michigan’s congressional delegation backed legislation introduced Thursday to stop Asian carp and other invasive species from entering the Great Lakes."