Robotic Fish Are Favored to Empty Space

Zebrafish would rather hang out with a loud, sort of odd-looking zebrafish robot than spend time alone in the empty space of the tanks, a new study demonstrates. It’s a very interesting result, whether it supports the idea that it’s safer to be in a group than alone or whether they actually perceive the robot to be a conspecific. But it adds an interesting dimension to planning future behavioral studies!

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