Talk:Mamono/@comment-50.157.18.50-20150207202415/@comment-25035274-20150209004054

It varies from species to species. Some would likely live about as long as a human, but some we know for certain live much, much longer. Mermaids, for instance, live longer than humans. Because of that, they give their men sips of their blood from time to time to extend their lifespan.