Here’s 2018 era @shawnmicallef on city salt use. “A few years ago salt water Blue Crabs got into Mimico Creek and survived for a long time … Salt water creatures shouldn’t survive in freshwater, but the salt was so high they could.” https://www.thestar.com/news/gta/2018/12/14/when-it-comes-to-winter-salt-use-a-little-goes-a-long-way.html