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Stories about: salmon

Canada Tackles Potentially Lethal Salmon Virus The Canadian salmon is threatened once again, this time not by human influence or sea lions, but by a potentially lethal new virus that could make more than a few victims. This topic is being analyzed by the Supreme Court, that wants to find out whether the wild Pacific salmon is exposed to this threat and also, wh... 16 December 2011 04:26 GMT Orca Whales Use Sonar to Hunt for Their Favorite Fish Orcas, like most whales, have the innate ability to use high-frequency sounds in order to detect obstacles or food in the water, or for communicating among themselves over long distances. Now, researchers in Hawaii seem to believe that the large animals can also use this ability to spot their favorite types of fish i... 19 November 2008 03:30 GMT