Hunting down aliens

Molly Clarkson — An international team tracks the spread of tunicates in Haida Gwaii waters Slimy and brightly coloured, these aliens – otherwise known as Chain tunicate (Botrylloides violaceus) and Star tunicate (Botryllus sclosseri) – spread across docks, boats, gear and the rocky seafloor, smothering seaweeds, barnacles, shellfish and other Read more…