To combat the illegal totoaba trade and protect vaquita, the world's most endangered marine mammal, NRDC supported an important enforcement training workshop with WildAid in Guangzhou, China, on December 1, 2016. The workshop was hosted by Chinese CITES Management Authority, Fisheries Bureau of Ministry of Agriculture, and State Administration of Industry and Commerce (SAICA), and convened about 100 enforcement officers from fisheries, market control and customs, coast inspection, as well as CITES officers from key cities in Guangdong province, enforcement officers from Hong Kong SAR, and delegates from Mexico and the United States. It was the first concrete step towards implementing the decision on totoaba conservation that China supported with Mexico and the United States at CITES COP17 in October, 2016. A mobile e-tutorial was introduced to help enforcement officers with quick on-site identification of totoaba. NRDC will continue its work to help facilitate cooperation among the three countries to combat the illegal totoaba trade.