Table 4. Shell Disease in Rock Crabs, Cancer irroratus in Nearshore Waters 



(Sawyer et al, 1979 - 1984, unpublished data) 



Location No, Crabs % Shell Disease* 



Sandy Hook, NJ 609 18.8 



12 Mile Site, NY 472 21.8 



Hudson Valley Shelf 1,020 12.0 



Philadelphia -Camden 



Disposal Site 1,016 15.7 



*Maxiinum prevalence noted during intermolt period - prevalence may decrease 

 to <5% during molting periods. 



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