Hermit crabs are confusing plastic for shells and it's killing them

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Hermit crabs are confusing plastic for shells and it's killing them
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More than half a million hermit crabs have been killed after becoming trapped by plastic pollution on two remote islands, research finds

More than half a million hermit crabs have been killed after becoming trapped by plastic pollution on two remote islands, a new study from the University of Tasmania found.

"When we were surveying debris on the islands, I was struck by how many open plastic containers contained hermit crabs, both dead and alive," Dr Jennifer Lavers, who led the study, said in a statement. He said:"Hermit crabs do not have a shell of their own, which means that when one of their compatriots die, they emit a chemical signal that basically says 'there's a shell available' attracting more crabs who fall into the containers and die, who then send out more signals that say there are more shells available.

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