The Narwhal https://thenarwhal.ca Deep Dives, Cold Facts, & Pointed Commentary en-US Copyright 2026 The Narwhal hourly 1 As a devastating invasive species spreads, there’s new evidence of Canada’s westernmost infestation to date https://thenarwhal.ca/zebra-mussel-infestation-clear-lake-manitoba/ Sat, 20 Jul 2024 00:19:54 +0000 https://thenarwhal.ca/?p=113722 Officials hope speedy intervention will contain the invasive mollusks in Manitoba's Clear Lake — and hold the frontline on their westward spread Julia-Simone Rutgers News freshwater Manitoba Winnipeg Photo: Tim Smith / The Brandon Sun Two people in hip waders and one person in snorkel gear stand in thigh-high water, peering into a lake. One looks through an orange cone.