It begins eating fish from the age of six months or so, sometimes
grabbing large prey and rubbing it on the ocean floor or smacking it on the water's surface to break it into bite - size bits.
Overall, predators with wide snouts and relatively
large, robust skulls, such as crocodiles and orcas, are built to resist the stresses of
grabbing and holding sizable, struggling
prey, the team reports today in the Proceedings of the Royal Society B.