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…

  • Tollana1234567@lemmy.today
    link
    fedilink
    English
    arrow-up
    3
    ·
    15 days ago

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