Learn how specialized sensory cells and 500 million neurons help octopuses recognize mates and reproduce through touch alone. In a darkened tank divided by a barrier, a male octopus extends one arm ...

In the dark depths of the sea, where vision is difficult, meeting a mate becomes a problem. Octopuses, which are highly ...

When the scientists paired two male octopuses in the same setup, the males interacted by touching arms, but they never attempted to mate. This suggested that a specific, female-derived chemical cue ...