Octopuses can have nightmares. Marcelo Magnusco of the Rockefeller University in New York says this is one possible explanation for the unusual behavior captured by cameras monitoring octopuses in his laboratory aquarium.
In 2021 his team purchased an octopus (octopus island) was captured off Florida for the study of cephalopod cognition.This octopus was named Costello after one of the “heptapod” aliens in the movie arrival, The octopus adapted rapidly to its captive environment and began sleeping outdoors rather than in burrows like wild octopuses.
One morning, fellow Rockefeller University team member Eric Ramos walked in…
