Tensions are rising between Canada and France over fishing quotas for halibut, a valuable groundfish that migrates across the jurisdictions of both countries.Fisheries and Oceans told CBC News in a statement Friday it is aware of vessels from Saint Pierre and Miquelon as well as the Faroe Islands taking part in recent fishing activity for Atlantic halibut adjacent to Canadian fisheries waters."We are deeply concerned about the impacts of this activity on the sustainability of this important fish