"Africa’s domestic fishing grounds are protected under international law. Why then, do foreign fishing fleets continue to exploit Africa’s waters and cause huge social and economic losses for the region each year? Every day hundreds of unlicensed fishing vessels enter African waters and trawl for shrimp, sardines, tuna, and mackerel. They cost Africa some $1 bn a year, according to 2005 study by DFID, the UK government’s official aid agency." (Quoted from article)