Table 1. Prevalence of Shell Disease in Lobster, Homarus 



ainericanus by Size (mm.) (Estrella, B. , unpublished 

 data, 1983-84) . 



Carapace Length No. Examined % Shell Disease 



41-50 3 33.3 



51-60 17 5.9 



61-70 48 6.3 



71-80 187 11.2 



81-90 13 30.8 



91-100 4 50.0 



Note: Data does not take molting activity into account. 

 Influence of molting was noted in a November 1988 

 survey as follows: 



Outside Boston Harbor - 16 hard shell (18.8%), 97 



paper shell (7.2%). 



Buzzards Bay - 91 hard shell (37.4%), 69 paper 



shell (8.7%) . 



12 



