marmot: Notice it's '8-10,000' years ago, a 2,000 year window because it can't be pinned down with extreme accuracy. Nevertheless, it's a civilization IN MESOPOTAMIA in a time period that roughly equates with the bible's story.
sir82: Who said there was "no salt water"? It had to have been a different composition; by necessity it was. After the flood and the passage of much time, of course different bodies of water in different places would take on different chemical compositions, and the sea life that live in them adapt to their climate over successive generations. Ever heard of Darwin's finches?