Marine biologist Monty Halls investigates fishing in Cornwall. Monty works round the clock on a deep-sea trawler and discovers the impact these boats have on marine environments. Show more
Discover 11,128,835 listings and 280,349 playable programmes from the BBC
Marine biologist Monty Halls investigates fishing in Cornwall. Monty works round the clock on a deep-sea trawler and discovers the impact these boats have on marine environments. Show more