John Maguire and jellyfish
Media playback is unsupported on your device
Video

BBC gets up close with barrel jellyfish

The number of jellyfish in British waters could hit a record high this year, according to researchers.

Mild winters and warm summers have led to more sightings, the Marine Conservation Society claimed.

The findings come in what is said to be the first UK-wide survey of jellyfish in more than 40 years.

John Maguire reports.

  • 22 Jul 2014
Go to next video: Scientists survey jellyfish after boom