Invasive species can have devastating impacts on B.C.’s freshwater ecosystems, threatening fish populations, altering habitats, and compromising water quality. One of the most concerning emerging threats is whirling disease, a microscopic parasite that affects juvenile salmonid fish, including trout and whitefish.  For National Invasive Species Awareness Week 2025, the B.C. Wildlife Federation is bringing attention to whirling disease,…