Sadly, Cyril's brothers Cedric, Cuthbert and Chad were not so lucky. Instead of falling on nice friendly silicate rocks, they fell in the ocean which is, after all 70% of the planets surface, and stayed being carbonic acid leading to acidification of the sea.

http://oceanacidification.wordpress.com/2009/12/18/acid-oceans-the-evil-twin-of-climate-change/