Although lobsters are known to attack and eat each other in captivity (lobsters kept together in captivity have their claws secured with rubber bands to prevent this) Oppenheim recorded an unprecedented degree of cannibalism in the wild. ... If we enjoy eating lobsters perhaps other lobsters enjoy eating lobsters too.”

Why do lobsters kill each other?

2. They eat each other. “They're looking for fresh food and what's around, and if that happens to be another lobster, then it's dinner,” says Bayer. “One of the reasons lobster culture is not profitable is because they are cannibalistic, and there are lot of expenses that go along with that.”

Do lobsters attack other lobsters?

Lobsters might attack and eat each other if they are trapped in the same small tank (which is why their claws are banded together in the supermarket), but this behavior has never been witnessed in the wild before.