In a darkened tank divided by a barrier, a male octopus extends one arm through a narrow opening, probing the space beyond. On the other side, a female remains out of view. The two animals never fully ...

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 ...

This week's cover of the international journal 'Science' features a scene of octopuses mating. Surprisingly, the male octopus identifies a mate and delivers sperm using only the senses in its arm. A ...

Sensory organ in male cephalopod able to detect female hormone progesterone, even if male cannot see partner Sex might seem an intimate act, but scientists have shed fresh light on how octopuses ...

It has been confirmed that octopuses can mate if their arms are within reach, even without seeing each other. This is because a male octopus's specialized "mating arm" can chemically recognize a ...

When octopuses mate, the male keeps the female quite literally at arm’s length. For the act, the male has a special arm called a hectocotylus, which it uses to deposit a sack of sperm inside the ...

Octopuses are one of the strangest creatures on Earth. They have no bones, making their bodies incredibly soft; they can change color like chameleons; they have three hearts; and their blood is ...

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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 ...

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 ...