In this Feb. 14, 2011 file photo shows shark fins available for sale at $480 and $495 a pound at a store in Chinatown in San Francisco. Calif. Gov. Jerry Brown announced Friday that he signed a bill banning the sale, trade and possession of shark fins to protect the world's dwindling shark population. Brown signed AB376 over objections that the fins are used in a soup considered a delicacy in some Asian cultures. (AP Photo/Paul Sakuma, File)