
An unwelcome visitor has arrived on Cortes Island’s shores, triggering alarm among scientists and conservationists. The invasive European green crab (*Carcinus maenas*)—considered one of the world’s most damaging marine invaders—was confirmed in Mansons Lagoon in 2024, marking the first documented sighting in the Discovery Islands. The species’ appearance has set off a coordinated response from Fisheries and Oceans Canada (DFO), the Klahoose First Nation, and Friends of Cortes Island (FOCI).
Continue reading European Green Crabs Reach Cortes Island

