Sea slug able to regrow penis

Scientists have reported on the bizarre sex life of a sea slug that discards its penis after copulation, and then grows a new one.

Dubbed Chromodoris reticulata in Latin, the red-and-white slug — technically a shell-less mollusc — inhabits warms waters in South East Asia.

No other animal is known to repeatedly copulate using such ‘disposable penes’, Japanese biologists wrote in the Royal Society journal Biology Letters, describing the behaviour as extremely peculiar.

The critter needs 24 hours between couplings to unroll an internally coiled and compressed juvenile penis to replace the used, external organ, scientists found.

It can repeat this feat at least three times — via redwolf.newsvine.com

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