The figure you're referring to.... I'm not sure. I suspect it's beyond the landed value. As for the justification, the challenges of the incentives in this fishery for illegal poaching, managing it in an orderly way and the conservation of the stock and the safety of communities are what are behind that announcement.
Evidence of meeting #98 for Fisheries and Oceans in the 44th Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was enforcement.
A recording is available from Parliament.