Male octopuses probe progesterone-coated tubes

Males expecting to mate move towards the wall and extend their arms to investigate the other side. In catch trials, we remove the female and present tubes coated in molecules to the male. Male octopuses preferentially explore tubes coated in progesterone compared to other molecules.

Date:

03 April 2026

Creator:

danielle-ellenby1

Credit:

Pablo Villar, Harvard University

Copyright Harvard University (CC BY-NC-ND 4.0)

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