![]() ![]() In the same lab in New Zealand that had the “lights-out” problem, an octopus took a dislike to one member of the lab staff, for no obvious reason. At the University of Otago in New Zealand, this became so expensive that an octopus had to be released back to the wild! 4. Misbehaving octopuses have been reported in various aquariums, including ones which have learned to turn off the lights by squirting jets of water at the bulbs and short-circuiting the power supply. Albert and Bertram were the most consistent performers while Charles was a bit wayward and broke the lever! If that wasn’t enough, Charles would also squirt jets of water at whoever was conducting the experiment that day! In the lever experiment mentioned above, three octopuses were involved – they were named Albert, Bertram and Charles. Don’t get on the wrong side of an octopus – they’re highly mischievous It was a long process, but the octopus outperformed many other animals, including pigeons! 3. ![]() Octopuses have also undergone visual tests, with simple tasks remembered first with one eye covered and then the other. Experiments have shown they can store both short and long-term memories. In one particular experiment, a number of octopuses were able to pull a lever to get a reward – a piece of sardine. Octopuses appear to be very intelligent and most likely the smartest invertebrate. Research from the mid-20th century showed that octopuses could be trained to perform simple tasks. ![]() Octopuses can be trained and have memory skills There are around 300 species of octopus ranging from the largest Giant Pacific octopus which can weigh up to 275kg, to the smallest. In an experiment, octopuses learned to pull a lever to get a reward 2. ![]()
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