Researchers at NYU Polytechnic have achieved a major breakthrough in underwater robotics: They have proven that a robotic replica of something that will eat you can be as terrifying as the real thing.

Fortunately, for the streets of New York abused so heavily in Godzilla and all those Night at the Museum movies, the ‘you’ they were trying to frighten with a giant predator wasn’t a human.

It was a zebrafish – one of dozens of species of fish raised in huge numbers for the domestic aquarium market that are, nevertheless, so similar to one another in behavior and appearance that it’s not worth the time it would take for most people to identify one.

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