Halophila stipulacea, an invasive seagrass native to the Red Sea and Indian Ocean, arrived in the Caribbean in 2002 and has since spread widely. It often replaces native seagrass species, although its other impacts are less clear and in some cases it provides benefits that native species do not. Learn more in Inside Climate News: The Seagrass Species That Is Not So Slowly Taking Over the World or watch my short film The Alien Seagrass
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