How Octopuses Became the Ocean’s Smartest Invertebrates — 25 Problem-Solving Abilities

16. Recognizing Human Caretakers

Octopuses have demonstrated the ability to recognize individual human caretakers, often showing clear preferences or aversions. Observations in aquarium settings, reported by Scientific American, reveal that octopuses may interact playfully with some staff while avoiding others.
This discriminatory behavior suggests a sophisticated level of perception and memory, allowing octopuses to form unique relationships and adapt their responses to specific people.