Infographic Invasive Species in Canadian Waters Share Learn more about important invasive species found in Canadian waters that are impacting ecosystems and economies in these regions. Published March 25, 2020 | Last modified on March 18, 2026 Trending Article Marine shipping in the Great Lakes: What you need to know Article Marine Fuels: What is Heavy Fuel Oil? Article Ballast water management: stopping the spread of invasive species by ships