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Penis fencing (sfw?) (en.wikipedia.org)
submitted 1 week ago* (last edited 1 week ago) by Plum@lemmy.world to c/wikipedia@lemmy.world

The flatworms "fence" using extendable two-headed dagger-like stylets. These stylets are pointed (and in some species hooked) in order to pierce their mate's epidermis...

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[-] Tollana1234567@lemmy.today 3 points 1 week ago

fun fact injecting is called traumatic insemination, usually exclusive to parasitic organisms that mate like bed bugs, sea louses, and other insects.

this post was submitted on 15 Jul 2026
33 points (97.1% liked)

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