Stehlik et al.: Distribution and abundance of brachyuran crabs on northwest Atlantic shelf 



483 



cr 



LU 



m 

 2 

 z> 



ROCK CRAB 



GULF OF MAINE 



35 i 



MALE (N=160) 

 FEMALE (N=144) 



5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 

 CARAPACE WIDTH (CM) 



ROCK CRAB 



GEORGES BANK 



80 



60 



co 

 m 

 < 



cr 

 O 



O 40 



20- 



o- MALE (N=232) 



■+- FEMALE (N=332) 



-t-t i 



12 3 4 5 



7 8 9 10 11 12 13 14 15 16 17 18 19 

 CARAPACE WIDTH (CM) 



m 

 < 



cr 

 O 



LL 



o 

 cr 



LU 



oo 



3 



2500 



2000 



1500 



1000 



500 



ROCK CRAB 



MIDDLE-ATLANTIC 



p.-s 



MALE (N=13359) 

 FEMALE (N=5069) 



■+ I I i »   i P 

 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 

 CARAPACE WIDTH (CM) 



CO 



m 

 < 



cr 

 O 



LL 

 O 



cr 



UJ 



m 



25 



20 



15- 



10- 



5- 



cr 



LU 



CD 



CO 



m 

 < 



cr 

 O 



LL 

 O 



EC 

 LU 



00 



z> 



20 



15- 



co 



00 



< 



cr 

 O 



O 10 



JONAH CRAB 



GULF OF MAINE 



MALE (N-113) 

 FEMALE (N«76) 



.Ok_ 



b. 



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 

 CARAPACE WIDTH (CM) 



JONAH CRAB 



GEORGES BANK 



MALE (N=80) 

 FEMALE (N=94) 



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 

 CARAPACE WIDTH (CM) 



JONAH CRAB 



MIDDLE-ATLANTIC 



MALE (N=557) 

 FEMALE (N=580) 



■*-+- 



2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 

 CARAPACE WIDTH (CM) 



Figure 8 



Carapace width-frequency distributions of combined spring and fall trawl-caught rock, Jonah, northern lady, and coarsehand 

 lady crabs. 



