Trending Now - Octopus Arm Uses Sensory Skills to Find Mates and Deliver Sperm

WHO:

Gizmodo - Harvard scientists conducted the study on octopus reproductive behavior.

Phys.org - Biologists from Harvard University were involved in the research.

WHAT:

Ars Technica - A receptor that is typically used by octopuses to find prey is also activated by progesterone, which plays a role in guiding male octopuses during mating.

Gizmodo - The hectocotylus is identified as both a reproductive and sensory organ in octopuses.

Phys.org - The study revealed that octopuses use a "taste by touch" sensory system to locate potential mates.

Phys.org - The male appendage, known as the hectocotylus, serves multiple purposes: seeking, sensing, and delivering sperm.

WHERE:

Phys.org - The research was conducted at Harvard University.

WHEN:

Phys.org - The study was featured on the cover of the journal Science in 2026.

WHY:

Phys.org - The research aims to understand how octopuses can couple at arm's length without visual contact.

HOW:

Phys.org - The hectocotylus continues to respond to female sex hormones even after being severed from the male octopus's body.

(UPDATED April 2, 2026 23:10 UTC)

A new study has revealed that a receptor commonly used by octopuses to locate their prey is also activated by progesterone. This hormone plays a significant role in guiding male octopuses during the mating process. The findings highlight the fascinating ways in which these creatures navigate their underwater world.

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(UPDATED April 2, 2026 19:22 UTC)

Harvard scientists have published a groundbreaking study on octopus reproductive behavior, which was featured on the cover of the journal Science in 2026. The research reveals that the male appendage, known as the hectocotylus, acts as both a reproductive and sensory organ, allowing octopuses to locate potential mates through a "taste by touch" system, even at arm's length without visual contact. Interestingly, the hectocotylus remains responsive to female sex hormones even after being severed from the male octopus's body.