Paul -- an octopus who lives at the Sea Life aquarium in Oberhausen, in the German state of North-Rhine Westphalia -- predicts that the Serbian team will defeat Germany Friday at the football World Cup in South Africa. How? Because he chose a mussel from the "Serbian box" on Wednesday. Sea Life aquariums across Germany have been commemorating the sports contest by dropping footballs filled with food into animals' tanks and offering discounts on entrance fees.