Simultaneously hermaphroditic Siphopteron quadrispinosum sea slugs mate as females much more often than necessary, leading scientists to propose that traumatic injections of prostate fluid via the male-specific syringelike penile stylet may have unknown benefits. | Harper's Magazine

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Simultaneously hermaphroditic Siphopteron quadrispinosum sea slugs mate as females much more often than necessary, leading scientists to propose that traumatic injections of prostate fluid via the male-specific syringelike penile stylet may have unknown benefits.

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Simultaneously hermaphroditic Siphopteron quadrispinosum sea slugs mate as females much more often than necessary, leading scientists to propose that traumatic injections of prostate fluid via the male-specific syringelike penile stylet may have unknown benefits.

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