Aquarists like Roxy work with our giant Pacific octopus to help them learn a number of behaviors that reinforce their incredible natural abilities. There’s an added bonus to the time they spend together: A mutual sense of trust is forged between the pair through this process, which allows our staff to provide these intelligent animals with the highest levels of care and welfare. | National Aquarium

11M views · 86K reactions | Just how smart are octopuses? One is put to the test in this watch-and-learn challenge. | National Geographic Animals | Facebook