Oh God, this issue is pretty bad. I mean, I don’t think it’ll come to war, but on a practical, environmental, and diplomatic level, it’s quite serious.
The EU is generally a good arbiter of fishing law. I mean, some people have lost badly with it and I totally understand why they voted Brexit, and environmentalists say the quotas don’t go far enough, and every year all the different parties have a scrap trying to get a balance about who can fish what, and Iceland threatens to ruin it all by being a law unto itself, as usual. Nevertheless, overall, the EU does an ok job of managing territory and waters. It’s done good stuff at least - brought back cod in the North Sea, for example.
It gets more difficult when they’re not an arbiter, and this England v France re: scallops issue is a case in point. As I understand it French law prohibits scallop dredging for sane environmental reasons during certain times of year. Usually, Britain comes to a private agreement with France to replicate that policy, even though under EU law you’re allowed to fish following the 12-mile rule (France and Britain aren’t that far away from each other, which has really been a long running historical problem).
Because tensions are high with Europe right now, and there’s an awful lot of negotiation going on and none of it’s going that well, the usual agreement… hasn’t happened. Hence the ire of French fishermen.
It’s all rather grim…