this post was submitted on 02 Apr 2026
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[–] iopq@lemmy.world 2 points 10 hours ago

Sex at arm’s length? Male octopuses use specialised arm to mate, scientists find (350 BCE)

[–] Pat_Riot@lemmy.today 9 points 19 hours ago (6 children)

I could have sworn that we've known this for decades. I'm sure I remember reading articles on this. Did I hallucinate that but somehow hallucinate it right?

[–] AnUnusualRelic@lemmy.world 2 points 6 hours ago

I also remember reading about this ages ago.

Maybe the scientists discovered a publication from 1975?

[–] Magnum@infosec.pub 1 points 7 hours ago

The Portuguese octopus leaves his arm in there and ditches the scene.

[–] EvilBit@lemmy.world 3 points 14 hours ago

Do you watch a lot of anime? Maybe you crossed some wires…

[–] terabyterex@lemmy.world 5 points 18 hours ago

This is the relevant part


But how this arm detects a mate, or delivers the sperm to the right location, has remained unclear.

Now scientists have found the arm is a sensory organ, similar to a tongue, that can detect the female hormone progesterone. This allows it to seek out and fertilise a mate, even if the male cannot see its sexual partner.

[–] zer0hour@lemmy.world 2 points 19 hours ago

This is definitely something I learned long ago. Maybe it was speculation back when I believe I "learned" it, but I was pretty sure it was a known fact already

[–] lightnsfw@reddthat.com 1 points 19 hours ago

I also already knew this.

[–] Kolanaki@pawb.social 2 points 19 hours ago

"I wouldn't fuck yous with a 20 foot long tentacle!"

[–] Flyswat@lemmy.dbzer0.com 2 points 20 hours ago
[–] LibertyLizard@slrpnk.net 1 points 19 hours ago

I mean isn't that basically how we do it?