Cod Wars Iceland's unilateral extension of its fishery limits from . Unlike in the Cod Wars, the Royal Navy was never sent into Icelandic waters. The British trawling industry, however, implemented costly sanctions on Iceland by imposing a landing ban on Icelandic fish in British ports. The landing ban was a major blow to the Icelandic fishing industry (the UK was Iceland's largest export market for fish) and caused consternation among Icelandic statesmen. The two sides decided to refer one part of the Icelandic extension to the ICJ in early 1953: the controversial Faxa Bay delimitation. Cold War politics proved favourable for
Fishing in the North Sea the 19th century large quantities of herring were produced in Scotland. Today mainly mackerel, Atlantic cod, whiting, coalfish, European plaice, and sole are caught. In addition, common shrimp, lobster, and crab, along with a variety of shellfish are harvested. In recent decades, overfishing has left many fisheries unproductive, disturbing the marine food chain dynamics and costing jobs in the fishing industry. Herring, cod and plaice fisheries may soon face the same plight as mackerel fishing which ceased in the 1970s due to overfishing. Since the 1960s, various regulations have attempted to protect the stocks of fish such as limited fishing