Cuttlefish, remarkable members of the cephalopod family, have demonstrated a surprising level of intelligence by passing the “marshmallow test” — a classic experiment designed to assess self-control and delayed gratification in humans. In controlled studies, the cuttlefish opted to wait for a more desirable reward rather than immediately consuming a lesser one. This ability to delay gratification suggests that cuttlefish possess complex cognitive functions, including foresight and impulse contro