Natural World - Hammerhead

Seizoen: 23 - Aflevering: 4 / 335 - Eerst uitgezonden: 02 december 2004 - Episode ID: 469550

Profile of the hammerhead shark, which has until now been shrouded in mystery as no-one could understand why its head is such a strange shape, or how it might help the creature's survival. Marine biologists in Hawaii explain how the fish utilises the unusual shape to give it a unique, deadly weapon in the oceans. Narrated by Ian Holm