A third of the sharks in the world’s oceans may become extinct as they’re caught accidentally by fishing boats.That’s what an organisation that keeps an eye on endangered animals has said in a shark study.

Sharks are often caught by boats that are fishing for tuna and swordfish. Some sharks are also caught on purpose too, as their fins are used in soup.
Two types of hammerhead sharks have now been listed as endangered, and many others are seriously at risk too.

The International Union for Conservation of Nature is behind the study, and a spokeswoman for the IUCN said: “Despite mounting threats, sharks remain virtually unprotected on the high seas.”