"A group of U.S. Democratic lawmakers on Thursday urged President Barack Obama to threaten Mexico with cuts in economic assistance if the southern neighbor continues to pursue a trade case that has put U.S. 'dolphin-safe' tuna labels at risk."

"BOISE, Idaho -- Sockeye entered the Columbia River in recent weeks, beginning a 900-mile migration that very nearly ended 20 years ago."

"VANCOUVER -- Atlantic salmon farms around Vancouver Island have begun testing and formed a special outbreak management team after a virus outbreak at one farm led to a site quarantine and the cull of more than half a million fish."

"Quota checks allegedly being compromised aboard Northwest Atlantic Fishery boats, as observers report surveillance and theft."

"The international trade court has effectively outlawed the sale of dolphin-friendly canned tuna in American supermarkets, ruling such labels were unfair to Mexican fishermen."

"More people on the East Coast are acquiring a taste for snakehead, an exotic fish that's moved here from Asia. But the fish are still multiplying and spreading."

"A trial to assign blame and damages that could total tens of billions of dollars for the 2010 Gulf of Mexico oil spill has been put off until January, in a setback for the U.S. government, which wanted to try its case this summer."

"The Interior Department's inspector general appears likely to join the growing scrutiny over whether the National Park Service falsified data in an environmental review of a California oyster farm."