JAWS: A head of Lamna Nasus, the porbeagle shark, caught in 1983 off St Helena in the mid Atlantic, is one of 22 million specimens which the public can nw see at the new Darwin .
HEAD CASE: One of the Darwin Center's larger jars is home to the head of a porbeagle or mackerel shark.
And the mako and porbeagle are every bit as good as swordfish.