Octopuses might have dreams

Scientists may have caught video footage of an octopus having dreams. Costello, a male Brazilian reef octopus, lived in a laboratory at Rockefeller University in New York. Researchers began watching videos of Costello sleeping after noticing ink in his water tank one morning. Over the course of a month, researchers saw four instances of Costello acting as if he were being attacked while he slept. The octopus flailed his tentacles, tried to make himself look bigger, and shot out jets of ink. “It was really bizarre because it looked like he was in pain,” researcher Eric Angel Ramos told Live Science. “And then he just got up like nothing had happened.” The researchers think this behavior could have been triggered by a nightmare resulting from Costello’s experience losing a tentacle…

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The Week Junior US (Digital) - 1 Issue, Issue 170

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