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Last Updated: Friday July 02 2010 07:11 GMT

Leah goes fishing for sharks!

Leah fishing for sharks

Leah goes fishing for sharks!

It may sound scary but there are hundreds of sharks swimming off the coast of Britain! But don't worry- they aren't dangerous!

Some types of shark have become endangered because they get caught up in fishing nets.

In Scotland, a group of experts go around put electronic tags the animals so they can to keep track of them.

It's so they can learn more about the sharks and try to stop their numbers falling.