Fleetwood and as transport became more efficient, more overnight visitors became day visitors. The Hillhouse plant was heavily cut back, and was finally closed in 1999. Most serious, however, was the collapse of the fishing industry, which was largely destroyed in the late 1960s and early 1970s by the Cod Wars, a dispute over fishing rights between Iceland and the UK. As Fleetwood's trawlers mainly fished the North Atlantic in search of cod, the loss of the fishing grounds hit the town hard. The last deep sea trawler left the town in 1982 and now only inshore fishing boats fish out
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