Octopus can use odor plumes to find food
Willem Lee Weertman, Venkatesh Gopal, Dominic M. Sivitilli, David Scheel, David H. Gire
The paper shows octopuses use odor plumes to find food in the dark, exhibiting behaviors like upstream movement and odor-gated rheotaxis, suggesting suckers, not bilateral organs, are the primary chemosensory organs.
PLoS ONE · Oct 8, 2025Peer-reviewedAnimal Behavior & Cognition