》…cuttlefish also passed a version of the marshmallow test. Scientists showed that common cuttlefish (Sepia officinalis) can refrain from eating a meal of crab meat in the morning once they have learnt dinner will be something they like much better – shrimp.
Source:
https://www.sciencealert.com/cuttlefish-can-pass-a-cognitive-test-designed-for-children