This March 2013 image provided by the U.S. attorney's Office shows Totoaba bladders displayed at a U.S. border crossing in downtown Calexico, Mexico. Seven people have been charged in a scheme to sell... more 
This March 2013 image provided by the U.S. attorney's Office shows Totoaba bladders displayed at a U.S. border crossing in downtown Calexico, Mexico. Seven people have been charged in a scheme to sell the bladders of an endangered Mexican fish considered a delicacy for use in Chinese soup, U.S. prosecutors said Wednesday. (AP Photo/ US Attorney's Office) less 
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Associated Press | Photo By US Attorney's Office
Wed, Apr 24, 2013 6:44 PM EDT