"The Macondo well blowout on the floor of the Gulf of Mexico lays bare just how little scientists know about that great expanse of saltwater and its creatures, but in fishing communities from Florida to Louisiana, some people have vital questions of their own."

"TOKYO — Elevated levels of cesium still detected in fish off the Fukushima coast of Japan suggest that radioactive particles from last year’s nuclear disaster have accumulated on the seafloor and could contaminate sea life for decades, according to new research."

Louisiana's oyster industry, the largest in the U.S., is just beginning to recover from a series of insults, including Hurricane Katrina and the BP spill.

"BEND, Ore. -- Yesterday, a fish biologist with the Oregon Department of Fish and Wildlife confirmed the first observed spawning sockeye in the Metolius River in over 45 years."

"Swift action is required to save many of the world's fisheries that are declining faster than expected, a study in a leading scientific journal shows."

"The rare greenback cutthroat trout, Colorado’s state fish, is even more imperiled than scientists thought, a new study suggests. By analyzing DNA sampled from cutthroat trout specimens pickled in ethanol for 150 years, comparing it with the genes of today’s cutthroat populations, and cross-referencing more than 40,000 historic stocking records, researchers in Colorado and Australia have revealed that the fish survives not in five wild populations, but just one."

"Canned albacore tuna purchased by U.S. schools contains more mercury than what government officials have reported, raising the risks for some tuna-loving kids, according to a new study from a coalition of advocacy groups."

"Today [Thursday] the US Commerce Department declared disasters not of fishermen's making in three key fisheries on four US coasts: the North Atlantic, the Gulf of Mexico, the Bering Sea, and the Gulf of Alaska in the Pacific Ocean. The declaration opens the door for Congress -- if they choose to accept the mission -- to appropriate funds to help struggling fishers."