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Irish moss is a type of seaweed that is commercially harvested in Canada’s Maritime provinces. It is mainly composed of carrageenan, a gelatinous substance. Carrageenan extracted from Irish moss is used as a thickening and gelling agent in foods and other products. It is also used to clarify beverages such as beer.

Red Bay, located on the north shore of the Strait of Belle Isle, Labrador, is an archaeological reference for the 16th-century transatlantic fishery, particularly for Basque whaling activities. After research into Spanish documents and archaeological finds on Saddle Island and under water, Red Bay was designated a historical site in 1978-79. In 2013, the whaling station at Red Bay was designated a UNESCO World Heritage Site.

Red Bay, NL, incorporated as a town in 1997, population 169 (2016 census), 194 (2011 census). The town of Red Bay is located on the Strait of Belle Isle, off Labrador’s south coast. Named for its prominent red cliffs, it was one of two major Basque whaling stations established in the 1540s. After research into Spanish documents and archaeological finds on Saddle Island and under water, Red Bay was designated a historical site in 1978-79 (see Red Bay Archaeological Site). In 2013, the whaling station at Red Bay was designated a UNESCO World Heritage Site.

Lunenburg, Nova Scotia, incorporated as a town in 1888, population 2,405 (2021 census), 2,262 (2016 census). The town of Lunenburg, the seat of Lunenburg County, is located on Lunenburg Bay, 90 km southwest of Halifax.

Flatfish is the common name for fish belonging to the order Pleuronectiformes. There are 14 families of flatfish and over 800 species worldwide. In Canadian waters there are approximately 39 species of flatfish, from five families. These families are Pleuronectidae, Bothidae, Paralichthyidae, Scophthalmidae and Cynoglossidae. Familiar flatfishes found in Canada include halibut, plaice, flounder and turbot. Among their distinguishing features, flatfish have both eyes on one side of their body.

The American eel (Anguilla rostrata) is an elongated fish with a round body and long dorsal fin. It is one of about 35 eel species found in Canadian waters and the only freshwater eel species found in North America. In Canada, the American eel is treasured and valued as food by many Indigenous peoples, including the Mi’kmaq, Innu, Abenaki, Haudenosaunee and Cree. Common names for the American eel include Atlantic eel, common eel and freshwater eel. Indigenous peoples in Canada have their own names for eel. For example, the Mi’kmaq call the eel katew (singular) and kataq (plural) while the Cree refer to it as kinebikoinkosew. Eels are fished recreationally and commercially in Canada.

In Canada, all crustacean species with significant economic value are in the order Decapoda. Decapods, which have five pairs of walking legs, include lobsters, crab and shrimp. These species constitute most of the dollar value of Canadian fisheries. In some areas, particularly in the Atlantic provinces, the local economy is almost completely dependent on them.

On 2 July 1992, the federal government banned cod fishing along Canada’s east coast. This moratorium ended nearly five centuries of cod fishing in Newfoundland and Labrador. Cod had played a central role in the province’s economy and culture.

The aim of the policy was to help restore cod stocks that had been depleted due to overfishing. Today, the cod population remains too low to support a full-scale fishery. For this reason, the ban is still largely in place.

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The Halibut Treaty of 1923 (formally the Convention for the Preservation of Halibut Fishery of the Northern Pacific Ocean) was an agreement between Canada and the United States on fishing rights in the Pacific Ocean. It was the first environmental treaty aimed at conserving an ocean fish stock. It was also the first treaty independently negotiated and signed by the Canadian government; one of several landmark events that transitioned Canada into an autonomous sovereign state. It also indicated a shift in Canada’s economic focus from Britain to the US during the 1920s, when the US passed Britain as Canada’s largest trading partner. The treaty created the International Pacific Halibut Commission, which continues in its role today.