Natural World

Season 23 Episode 5: Hammerhead

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

Genre:

Documentary

Seasons:

39

Episodes:

543

Cast:

David Attenborough, John Hannah, Juliet Stevenson

Quality:

HD

Duration:

60 min

First Air:

1983

Rating:

7.4