Hermit crabs are small crabs that carry shells on their backs, both for a home and for safety. But with shells being harder ...

In hermit crab world, shells are a prized commodity. One that's worth fighting to the death for. Well, maybe not to the death. But it's still pretty violent by hermit crab standards.

For sea hermit crabs, upsizing to bigger and heavier shells is relatively easy, thanks to water’s buoyancy that helps the crabs support a shell that’s a little too big at first.

Land hermit crabs have been using bottle tops, parts of old light bulbs, and broken glass bottles as shelters instead of shells. Polish researchers studied 386 images of hermit crabs occupying ...

We already know the hermit crabs aren't alone in their hunger for dangerous trash. A 2020 study found that sea turtles may also be drawn to the food-like smell of plastic pollution.

Researchers in Japan found the hermit crabs can climb into the concave tires but they can't get out. Trapped inside, the crabs fight for food and shelter and may even resort to eating each other.