From 2003 to 2013, there have been 4,605 cases of illegal fishing taking place within the waters of South Korea by Chinese boats.
Out of the total number of illegal fishing cases, 3,228 cases were in violation by Chinese boats of fishing agreements made between the two countries. Since 2004, there have been 1,062 boats from China cited by South Korean authorities for illegal fishing.
In the first 9 months of 2013, there has been 266 boats seized or cited for unlicensed fishing in South Korea.
69 security officials have been killed or injured during the 10 year span battling illegal fishing.
Source: Yonhap, “Illegal Chinese fishing in S. Korean waters total 4,600 cases over past decade,” Global Post, October 7, 2013.