Overfishing

Oi - Oishi, No! (to bluefin tuna on the menu, that is). Guppie spreads the word at Sundance © Greenpeace / MacKenzie

I'm writing this from Utah, a landlocked state in the US, which hosts the Sundance Film Festival each year. Sundance is known as the place for new independent films, and we're here to support a great new documentary movie called 'End of the Line', based on former Daily Telegraph environment correspondent Charles Clover's book about what overfishing is doing to our oceans.

Our oceans are the last global commons, and as such are about as effectively regulated as Dodge City when the West was at it's wildest. As recently as 40 years ago they were considered to be an inexhaustible resource. No amount of fishing could possibly make a dent, it seemed, in the teeming mass of ocean life which constantly replenished itself. It was a one-sided arms race, with increasingly advanced fishing techniques maximizing catches: GPS; sonar; trawl nets big enough to catch a jumbo jet; bottom trawling; fish aggregating devices and open-water 'ranching' are just some of the methods employed to extract maximum profit from the seas.

Hurrah! At last some good news for threatened Pacific tuna. Eight Pacific Island nations have signed an agreement to stop foreign fishing fleets taking their tuna. Our ship the Esperanza has been in the Pacific for the last seven weeks confronting unscrupulous foreign fleets that take 90 per cent of the fish, and even more of the profit.

Video: the discovery of Aaptos kanuux

Fascinating news just in - our two month research expedition to the Bering Sea last summer led to the discovery of a new species. Using manned submarines and a Remote Operated Vehicle, the crew of the Esperanza explored two of the world's deepest underwater canyons and took samples of never before seen life on the sea floor. Now, careful analysis has revealed one of them to be an entirely new species of sponge. Discovered in Pribilof Canyon, the new discovery is to be named Aaptos kanuux.