In a June @currentbiology.bsky.social study, three octopuses learned to locate a virtual crab visible only as a mirror reflection, choosing the correct side in 73% of trials.
The authors report this as the first evidence of mirror-mediated localization of hidden objects in an invertebrate.
cell.com
Octopus bimaculoides can learn to utilize a mirror to localize a reward outside the line of sight
Kieseler et al. show that three Octopus bimaculoides learned to move to a reward site
using a mirror. Octopuses climbing the start-chamber wall indicates integration of
spatial mapping of mirror cues ...
