invasion – shell-crushing king crabs

King crabs may soon become high-level predators in Antarctic marine ecosystems where they haven’t played a role in tens of millions of years, according to a new study led by Florida Institute of Technology.

Lead author Richard Aronson, professor and head of Florida Tech’s Department of Biological Sciences, said the rising temperature of the ocean west of the Antarctic Peninsula — one of the most rapidly warming places on the planet — should make it possible for king crab populations to move to the shallow continental shelf from their current deep-sea habitat within the next several decades.

“Because other creatures on the continental shelf have evolved without shell-crushing predators, if the crabs moved in they could radically restructure the ecosystem,” Aronson said.
Science Daily, 28 Sep 2015

thanks to ddh