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There are a few things that eat octopi, but mainly the common enemy would be a shark. Octopi are not dumb however, and they're well-versed with defenses that can help keep a shark at bay. It was actually observed in an Aquarium that an Octopus purposely assassinated every shark in its tank, without consuming them. It's speculated that it did this to make sure it didn't get eaten.

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11y ago

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