The Netherlands is testing a new technique to fish - using electric currents. Electrofishing is controversial and is banned by the EU, but can be used on an experimental basis. Critics argue it is cruel because it breaks the backs of some larger cod. But advocates say it is less damaging for the environment than traditional beam trawling. James Clayton reports for BBC Newsnight. Newsnight is the BBC's flagship news and current affairs TV programme - with analysis, debate, exclusives, and robust interviews. Website: www.bbc.co.uk/newsnight YouTube: https://www.youtube.com/user/BBCNewsnight Twitter: https://twitter.com/BBCNewsnight Facebook: https://www.facebook.com/bbcnewsnight Snapchat: https://www.snapchat.com/add/bbcnewsnight