tuna laundering
n.— «Despite international quotas, the appetite for bluefin tuna is so insatiable that in the Mediterranean it is on the verge of extinction, according to the World Wildlife Fund. To curb quota violations and what the industry calls tuna laundering, Japanese officials have started carrying out DNA tests on imported bluefin tuna.» —“The holy grail of breeding fish” by Norimitsu Onishi in Kushimoto, Japan International Herald Tribune (Paris, France) Sept. 26, 2006. (source: Double-Tongued Dictionary)