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Sea slug with detachable penis, wows scientists!

It's not enough that the salacious sea slug, Chromodoris reticulata (G. reticulata), is a simultaneous hermaphrodite, but Japanese researchers have just found out that this species can detach and regrow itself a new penis.  

Although it is not the only species to lose or detach its penis after sex, but as far as researchers can determine, C. reticulata, is the only species that can regenerate its own penis, and within 24 hours! Their penises, have spines on them, and it may be that the first penis serves as a survival mechanism by removing any previous competitor's sperm. The second penis can then inject its sperm insuring that their genes are being passed on.  To read more about this amazing animal, go HERE.