The California Shark Protection Act would force retail shops, restaurants and small processing plants to deplete their entire stock of shark fins by the end of 2012, according to McClatchy.

FORBES: California Goes Soup Nazi: No Shark Fin Soup for You!

He found his first shark tooth as a small boy, in the late seventies, at nearby Venice Beach.

NEWYORKER: Bones of Contention

Those participating will also be given materials to help identify at-risk species such as the small-spotted catshark, the starry smoothhound shark and the cuckoo ray.

BBC: Shark identification training for fishermen

Although the shark-watching industry at Ningaloo is small, and less than a decade old, it is profitable.

ECONOMIST: Whale sharks

Any prey lurking below, typically a small fish called Mueller's pearlside, will not see the shark coming.

BBC: Glowing shark scares off predators with 'lightsabers'