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A dolphin trapped in a fishing net

Study raises concern about methods used to stop dolphins being caught in nets

Dolphins and porpoises continue to die in huge numbers in fishing gear but even some...
Majestic fin whales

Icelandic whalers kill first fin whales in four years

As feared, whale hunters in Iceland have slaughtered at least two fin whales, the first...

Majority of Icelandic people think whaling harms their country’s reputation

With the very real prospect of Iceland's only fin whale hunter, Kristján Loftsson sending boats...
Humpback whale underwater

Humpback whale rescued from shark net in Australia

A humpback whale and her calf have managed to escape after becoming entangled in a...

Study reveals entanglement impact on freed whales

Hundreds of thousands of whales, dolphins and porpoises die every year as a result of being caught in fishing gear and nets but many survive horrific injuries only to live short and painful lives pulling nets around before slowly dying as a result.

Now research from scientists looking into the long term consequences of this kind of entanglement has revealed that whales can burn up twice as much energy whilst entangled. By using fishing gear removed from an entangled whale and then lowering it into the water behind a moving skiff, the researchers were able to estimate how much drag the fishing lines and buoys generated, and how much energy a whale would have to use up to pull the extra weight.

Find out more about the threat to whales and dolphins from fishing nets and gear.

The full report is available at Wiley Online Library

About George Berry

George is a member of WDC's Communications team and website coordinator.