Clever Octopus Triggers Tug-of-War with Hidden BRUVS Camera on Tuvalu Reef
National Geographic Pristine Seas deployed baited underwater cameras on a Tuvalu reef; a day octopus (Octopus cyanea) grabbed the weighted canister, tugged it toward a nearby rock, and used its arms and taste receptors to investigate and try to access the sardines inside, moving a heavy 10–15 kg rig in a display of problem‑solving.