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Invasive vase tunicate spreads, threatens Canadian mussels

When vase tunicate attaches and grows on a vessel, it creates a massive drag as the boat plies the water and causes excessive fuel consumption

By Undercurrent News | Nov. 28, 2023 15:49 GMT
Vase tunicates develop individually but can form dense aggregations. They attach to virtually any hard, natural or man-made substrate, often in large groups, making them a major bio fouling organism. Photo from Fisheries and Oceans Canada
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It's one of the most problematic invasive species to mussel aquaculture on the eastern coast of Canada. Now, vase tunicate appears to be spreading along the southern coast of Newfoundland and Labrador (NL), too, reports SaltWire Networks. [...]

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