A 2020 study in the Journal of Hazardous Materials found that around 570,000 hermit crabs die annually from getting caught in plastic debris on two tropical islands in the South Pacific.

Hermit crabs prefer sand because they can burrow down in it. Playground sand from home improvement stores or aquarium sand ...

Intrigued, Landschoff caught several of these crabs and kept one in an aquarium for several months ... or the Hercules hermit ...