TV chef Hugh Fearnley-Whittingstall said it was "vital" that the Government did more to protect UK seas as he led hundreds of campaigners in a march to Westminster in London.
The presenter has urged ministers to increase the number of "marine conservation zones" after more than £8 million was spent on identifying 127 areas where dolphins, seahorses and other rare species most need protection - many zones covering the south east and southern shorelines.
More top news
Sunday evening's weather for the east of the region
Sunday evening's weather for the west of the region
Fifteen of the remaining little ships that helped evacuate the beaches of Dunkirk in WWII have gathered in Chatham