Lobsters have rubber bands on their claws to prevent them from becoming cannibals.

If you’ve ever been to a seafood restaurant or been at a house where lobster was served, you’ve probably noticed the lobsters have rubber bands on their claws. It turns out that despite what you might assume, this isn’t (just) to keep them from injuring the cooks. It’s to prevent them from eating each other. 

By nature, lobsters aren’t cannibalistic. In the wild, they eat 100 different kinds of animals including crabs, clams, mussels, worms, and even flounders, but rarely each other. Lobsters even sometimes catch animals then drag them back to their home where they bury them and eat them a little bit every day, like a dog would with a bone.

Lobsters will eat other lobsters if the situation is right, however. A wild lobster will typically only eat another lobster if there isn’t much else around the other lobster is weak due to molting. In captivity, lobsters become increasingly cannibalistic, however. So the rubber bands are really just to keep your dinner from eating someone else’s.  Mmmmm…. Lobster-fed lobster

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