Fish had the first sex

And here's another one, for your reading pleasure.

"Fish had sex first, fossils suggest: This was 'not just spawning in water, but sex that was fun' "

I'm not quite sure how we are supposed to know just how much fun the fish were actually having, but hey -- what do I know? I guess this does vindicate W. C. Fields' dictum, however, about why he never drank water ....