How many species live in the sea? - earth - 25 June 2008 - New Scientist Environment

http://environment.newscientist.com/channel/earth/dn14206-how-many-species-live-in-the-sea.html?feedId=online-news_rss20 --- How many species are there in the sea? Some 230,000 recorded so far, all of which will soon be available to anyone at the click of a mouse.

The World Register of Marine Species is launched today by the Census of Marine Life. Once complete, it will provide the first definitive list of all known species in the world's oceans.