It’s a mystery perplexing marine biologists that could lead to a loss of one of Alaska’s most prized seafood exports — the Bering Sea snow crab. Many theories have been hypothesized as to what is causing the declining crab populations throughout Alaska, ranging all the way from migration of the crustaceans to predators taking them out. However, Erin Fedewa, a research fishery biologist with the National Oceanic and Atmospheric Administration, says the disappearance of this Alaskan staple could be a warning about how quickly a fishery can be wiped out in a new, shifting world. Video, >click to read< 12:39