Cheers G.
This kinda explains what I was on about.
http://news.nationalgeographic.com/news/2003/09/0924_030924_neolithicdiet.html
I can't agree that fishing communities are dead.
Many communities have lost their deep-sea fleets and those that are left are having hard times but they are not yet dead, it's just a matter of scale. You could view it as a return to pre-industrial fishing days.