"SAN JOSE, Calif. -- They've been called everything from killing machines to misunderstood predators who are key to healthy ocean environments. Now great white sharks may be called something else: endangered."

"When red knots descend on the beaches of Delaware Bay this spring famished from their marathon flight toward the Canadian Arctic from the tip of South America, the rosy-breasted shorebirds may find slim pickings instead of the feast of horseshoe crab eggs they count on to fuel the rest of their migration."

"Believe it or not, there’s a Chesapeake Bay fish in even worse shape than the recovering striped bass, the troubled blue crab and even the imperiled bay oyster. The Atlantic sturgeon, pushed to the brink of extinction by overfishing and development, is little more than a memory in the Potomac River, ready for a spot in a museum."

"SUQUAMISH, Wash. — Stormwater runoff from highways appears to contain one or more unidentified compounds shown to be highly toxic to coho salmon and perhaps other salmon as well."

"Crisis-weary developed countries' reluctance to help finance a ground-breaking international treaty to rein in the use of health-hazardous mercury is threatening the accord, UN officials warned Thursday."

"The Pacific bluefin tuna, fished relentlessly for decades, is in trouble."

"Chesapeake Bay oysters are being resurrected from the dead. Blue crabs are roaring back. And after taking a huge blow from the monster storm called Sandy, the weakened bay proved in the fall that it could right itself and come back looking fresh."

"With fishery regulators poised to impose devastating cuts Thursday on the New England fleet, blame for the disappearance of once-abundant cod and flounder populations is shifting from fishermen to a new culprit: the changing ocean."

"After 25 years, the U.S. Fish and Wildlife Service decided to end its program of relocating the mammals, calling the effort a failure. Fishermen complain."

Many anglers who pull fish out of the Anacostia River near Washington, DC, eat them despire health warnings.

"The marine conservation group Sea Shepherd has scored a propaganda victory over Japan after it emerged it had bought its newest anti-whaling vessel from the Japanese government, apparently without its knowledge."

"Fish is frequently misidentified on menus and grocery store counters in New York City, even at expensive restaurants and specialty shops, DNA testing for a new study found. National supermarket chains had the best record for accuracy in seafood labeling, the researchers reported."

"CHICAGO — A federal judge Monday threw out a lawsuit filed by five states that want barriers placed in Chicago-area waterways to prevent Asian carp from invading the Great Lakes, but said he would consider new arguments if the case were filed again."

"Ken Salazar, the secretary of the interior, announced on Thursday that he would not extend the lease of an oyster farm in the Point Reyes National Seashore in Northern California, allowing the estuary there to become a wilderness area."

"Major nations failed to reach agreement on Thursday to set up huge marine protected areas off Antarctica under a plan to step up conservation of creatures such as whales and penguins around the frozen continent."