$720Spawning salmon are remarkable. They make a trek from their place of birth in a river bed to the ocean where they live out their lives and then, when the time is right, they trek hundreds or thousands of kilometers back to their place of birth in order to lay their eggs and perpetuate their species. Open net fish farms have been a matter of controversy here in B.C. The claim is that they spread disease and parasites to wild salmon. The government is banning them in 2025 to replace them with a sustainable model of aquaculture.