European green crabs can lay 185,000 eggs at a time, which drift in ocean currents, growing the territory and population of the invasive species.
European green crabs first arrived on North America’s east coast in the 1800s, likely in the ballast water of ships from Europe and North Africa. In the 1980s, they hitched a ride on vessels travelling throughand entered California’s waters. They reached B.C. in 1989. Almost everywhere our ships have gone, so too have the crabs. They are now established in Australia, South Africa, South America and on both coasts of North America.
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