HOTBOT (http://www.hotbot.com) returned us 106550 hits on word "CRAB".
YAHOO (http://www.yahoo.com) resulted into 111 hits with the names of restaurants or recipies with the word "CRAB" in their title.
After days of surfing we found few sites related to scientific studies or literature of accademic interest. These are listed below :
Impact of recently introduced Green Crab on invertebrate and shorebird populations at http://www.bml.ucdavis.edu/pop9.htm
Virginia Institute of Marine Sciences at http://www.vims.edu/
National Shell Fisheries Association at http://www.shellfish.org/res-web.htm [web resources] and http://www.shellfish.org/res-list.htm [listserves].
Arabian Wildlife Online at http://www.arabianwildlife.com/
Hermit Crab sponges at http://www.public.coe.edu/departments/Biology/hermit.htm
International Aquaculture on the Internet at http://aquaculture.com
Crabs resource literature
at http://www.dc.peachnet.edu/~pgrove/students/f96/students/lenglish/crab.htm