Fish On Fridays. Giant Crayfish Eats Fisherman For Lunch.

I'm kidding. However, it probably could chop you up for lunch with it's large claws.
A team from the University of Illinois at Urbana-Champaign and Eastern Kentucky University discovered a new giant crayfish species
(Barbicambarus simmonsi), and it's really big – twice the size of other species. More at redOrbit.