Thirty-seven countries, including US & Mexico propose to list ten shark & ray species under international wildlife treaty. At least 37 countries, including the United States and Mexico, have proposed protections for ten shark and ray species under the Convention on International Trade in Endangered Species (CITES). The U.S. will join Colombia in leading an effort to secure trade measures for the oceanic whitetip shark. In cooperation with at least five other countries and the European Union, Mexico is pursuing protections for three species of hammerheads. Other species proposed by various CITES Parties include the porbeagle shark, both manta rays, and three freshwater stingrays.