The cephalopod cuttlefish has passed a famous psychological “marshmallow” test designed to gauge the propensity for delayed gratification in children. The findings indicate that these sea creatures ...

Scientists have discovered something intriguing about cuttlefish after putting them through a "marshmallow test." The test, which is designed for children, showed that the cuttlefish have the ability ...

A new study has revealed that common cuttlefish (Sepia officinalis) are capable of delayed gratification, a trait previously thought to be exclusive to intelligent vertebrates. Researchers adapted the ...

Cuttlefish, octopuses, and squids are highly intelligent and have copper blood. I believe they are the escaped pets from alien visitors. I don't mess with any of them in case their owners come back.