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Everything you've wanted to know about the sex life of sea slugs

A new study published in scientific journal PLoS ONE describes some intimate details about the sex life of sea slugs. According to Scientific American, in order to reproduce, a sea slug "pierces the skin of its partner with 'a syringe-like penile stylet that injects prostate fluids.' The slug then injects a 'spiny penis' into its partner’s genital pore to pass along sperm." Wild.