For years, scientists felt like the fish they were watching watched them back. A new study suggests they can recognize a diver's outfit.
Netherlands Fish Doorbell Undated photo of a bream fish at a river lock in the central Dutch city of Utrecht, Netherlands, where a "fish doorbell" was installed that lets viewers of an online ...
Undated photo of a bream fish at a river lock in the central Dutch city of Utrecht, Netherlands, where a "fish doorbell" was installed that lets viewers of an online livestream alert authorities ...
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