Sea slug's 'disposable penis' surprises
February 13, 2013  13:16
A sea slug that is able to detach, re-grow and then re-use its penis has surprised scientists.Japanese researchers observed the bizarre mating behaviour in a species called Chromodoris reticulata, which is found in the Pacific Ocean.They believe this is the first creature known that can repeatedly copulate with what they describe as a "disposable penis". Read
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