Within minutes, he pulls out a 15lb silver fish, which thrashes and writhes against the net, then another, then another – five in all. The wild salmon of the Blanda here in north-west Iceland are some of the largest and most athletic in a country where the rivers are considered among the world’s best. King Charles has fished for salmon here, as have David Beckham and Guy Ritchie; Eric Clapton is a regular.

But these, says Jakobsson – known as Gummi, who is the vice-chair of the Blanda and Svartá fishing club – are not wild fish.