… in defiance of a 1959 treaty that agreed no new claims would be laid on Antarctica, press reports say Britain is poised to claim a million square kilometers of Antarctic seabed …

… the Canadian government announced it would add six new positions dedicated to fisheries assessment in the Arctic …

… scientists began mapping the seafloor off the coast of Ulster. One scientist said the results would show that 90 percent of the Irish Republic is land beneath water …

… the U.S. Coast Guard announced it would close an area off Fort Lauderdale, Fla., to anchorage by ships waiting for a berth in port. Over the last decade, a dozen ships have crashed into reefs located in the anchorage …

… for the first time, whale watchers can track the migration of a humpback whale pod online via a tracking device inserted in the whales’ blubber …

… instead of grouper, a man caught an 844-pound mako shark. “We normally catch and release all sharks,” said the man, 47, who is self-employed. “This was a special occasion just because of the size.” The shark was hooked and displayed on a Destin, Fla., dock …

… the U.S. Navy funded a $6 million project to research the effect of sonar on beaked whales …

… the presence of red lionfish, a venomous invasive species, was confirmed off the coast of Georgia. The fish are native to the Pacific Ocean …

… the National Oceanic and Atmospheric Administration reported the first-known deep-water coral die-off in the U.S. Caribbean …

… the fifth generation of the “Crittercam,” a waterproof camera that can be stuck to marine wildlife and record 16 hours of footage, was made public. So far, only sperm whales have objected to carrying the camera. “I could feel them saying to each other, ‘Get this weird thing off my back,'” said the creator of the camera …

… a record number of sea turtles babies have washed up on the Florida shore due to stormy seas. On Friday, the local marine center sent 1,600 turtles back to the ocean, and since then at least 1,400 turtles have washed up again …

… after three right whales were sighted off the coast of Maine, 840 square miles was closed to lobstering, despite the fact that this is prime lobster season …

… meanwhile, a fisherman in Hoboken, N.J., reeled in a handgun instead of fish

… the Cape Cod Commission was poised to reject the application to build the country’s first offshore wind farm, despite the fact that the farm would be located in federal, not local, waters …

… scientists found zebra fish were able to suffer from insomnia

… and Knut, Germany’s celebrity polar bear cub, learned to stand on his hind legs.