How do octopuses mate in the dark? A new study shows how the hectocotylus arm uses progesterone receptors to "taste" for a mate.

Sensory organ in male cephalopod able to detect female hormone progesterone, even if male cannot see partner ...

Add Yahoo as a preferred source to see more of our stories on Google. A California two-spot octopus (Octopus bimaculoides). David Liittschwager, National Geographic Image Collection The California two ...

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

Scientists have learned how male octopuses’ specialized sperm-depositing arm knows where to go ...

For mating male octopuses, one limb is more important than all others. That is the third right arm or hectocotylus, which is ...

This is a touching boy-meets-girl story about the octopus. A new study by Harvard biologists reveals how octopuses feel their way to potential mates with a “taste by touch” sensory system and even can ...

The hectocotylus is both a reproductive organ and a sensory organ, a rare combination in animals, new research suggests ...

The California two-spot octopus is a solitary creature. How exactly they manage to find suitable mates has been one of the ocean’s best-kept secrets. Now scientists have discovered that male octopuses ...