Leading sharkeologists David O'Doherty, Claudia O'Doherty and Mike Ahern bring you a hundred things you definitely didn't know about the oceans' most terrifying creatures.

For example:

· The great white shark hates jazz music;

· A group of hammerhead sharks is called 'a toolbelt';

· The reef shark can send intimidating telephone text messages with its mind;

· Dancing With the Sharks was Bulgarian TV's least successful ever television show;

· And the word 'shark' actually looks quite like a shark.

Your knowledge of sharks is about to get a hundred facts more knowledgeable.