19. TAG-11 36.5 M July 12. No. July 28. -. Sept. 21. 55. TAG-12 18.0 M July 11. Yes. Aug. 22. -. Sept. 21. 30. TAG-13 22.0 M July 18. Yes. Aug. 30. -. Sept. 21. 22.
Figure S1
Figure S2
Figure S3
Figure S4
Figure S5
Figure S6
Figure S7
Figure S8
Figure S9
Figure S10
Figure S11
Figure S12
Figure S13
Figure S14
Table S1 Methods for size-based estimates of age and instar Species
Origin of specimens
number
Snow crab,
Scientific surveys in
Size modal analyses and laboratory- or field-derived molt
wild
Estuary and northwest
increments and intermolt periods for collection site
Gulf of St. Lawrence
(Sainte-Marie et al. 1995; Alunno-Bruscia and SainteMarie 1998)
American
Scientific surveys in
Size modal analyses and field-derived molt increments
lobster,
Magdalen Islands (south
and intermolt periods for Magdalen Islands (Gendron and
wild
Gulf of St. Lawrence)
Sainte-Marie 2006); modal analysis or tag-recapture
and Bay of Fundy (New
information for Bay of Fundy (R. Wahle and C.
Brunswick)
Bergeron, Univ. Maine, pers. comm.)
American
Rearing facilities at
Size-based estimates of age not used. Individuals were of
lobster,
Université Ste-Anne
known age, up to 4 years. They were assigned an instar
reared
(Nova Scotia)
number based on modal analysis.
Northern
Commercial fishery on
Age is from size modal analysis of Scotian Shelf samples
shrimp,
Scotian Shelf (Nova
(see Figure S3a) and instar number is derived from
wild
Scotia)
equations describing molt increment and intermolt duration at 5°C in Daoud et al. (2010)
Sculptured
Scientific surveys in
Age is from size modal analysis of samples from
shrimp,
Estuary and northwest
collection site (see Figure S3b) and instar number is
wild
Gulf of St. Lawrence
derived from equations describing molt increment and intermolt duration in Sainte-Marie et al. (2006)
Table S2 Minimum
Maximum
Mean
SE
Species
Snow crab
Male
Female
Male
Female
Male
Female
Male
Female
20.8
16.4
122.8
74.8
63.1
44.1
3.0
1.0
17.3
19.4
133.0
98.4
67.6
55.3
4.7
4.1
11.6
19.9
21.9
27.0
16.0
23.8
0.4
0.3
(CW, mm)
American lobster (CL, mm)
Northern shrimp (18.0)
(23.8)
(20.7)
(0.7)
(CL, mm)
Sculptured 9.4 shrimp (CL, mm)
23.1
17.8
28.8
13.9
25.7
0.5
0.3
Table S3 Molts after calcein Calcein treatment
treatment Days from
CL
Molted in
Date
last molt
ID
(mm)
Sex
Date
calcein?
1st molt
2nd molt
sacrificed
to sacrifice
TAG-2
14.3
U
June 14
Yes
-
-
July 11
27
TAG-3
8.5
U
June 20
Yes
-
-
July 11
21
TAG-4
11.0
U
June 26
Yes
Aug. 3
-
Aug. 3
0.5
TAG-5
10.3
U
June 22
Yes
-
-
Aug. 3
42
TAG-6
26.9
M
July 12
No
Aug. 7
-
Aug. 22
15
TAG-7
10.5
U
July 8
Yes
Aug. 5
-
Aug. 22
17
TAG-8
10.4
U
June 24
Yes
Aug. 6
-
Aug. 27
21
TAG-9
11.1
U
June 24
Yes
Aug. 8
-
Aug. 27
19
TAG-11
36.5
M
July 12
No
July 28
-
Sept. 21
55
TAG-12
18.0
M
July 11
Yes
Aug. 22
-
Sept. 21
30
TAG-13
22.0
M
July 18
Yes
Aug. 30
-
Sept. 21
22
TAG-14
34.1
F
July 7
Yes
Sept. 9
-
Sept. 23
14
TAG-17
29.4
F
July 4
Yes
Sept. 21
Dec. 22
Jan. 10
19
Table S4 Calcium
Body Structure Gastric mill
Phosphorus
Min.
Max.
Mean
SD
Min.
Max.
Mean
SD
34.8
40.7
31.5
10.5
18.8
26.0
22.0
5.1
22.6
32.3
27.5
6.9
7.7
8.3
8.0
0.5
(n = 6) Eyestalk (n = 4)
Supplementary References: Alunno-Bruscia, M. and Sainte-Marie, B. 1998. Abdomen allometry, ovary development, and growth of female snow crab, Chionoecetes opilio, in the northwest Gulf of Saint Lawrence. Can. J. Fish. Aquat. Sci. 55(2): 459-477. doi: 10.1139/cjfas-55-2-459. Daoud, D., Lambert, Y., Audet, C., and Chabot, D. 2010. Size and temperature-dependent variations in intermolt duration and size increment at molt of northern shrimp, Pandalus borealis. Mar. Biol. 157(12): 2655-2666. doi: 10.1007/s00227-010-1526-1. Gendron, L. and Sainte-Marie, B. 2006. Growth of juvenile American lobster (Homarus americanus) off the Magdalen Islands (Québec, Canada) and projection of instar and age at commercial size. Mar. Ecol. Prog. Ser. 326: 221-233. Sainte-Marie, B., Bérubé, I., Brillon, S., and Hazel, F. 2006. Observations on the growth of the sculptured shrimp Sclerocrangon boreas (Decapoda: Caridea). J. Crust. Biol. 26(1): 55-62. doi: 10.1651/C-2553.1. Sainte-Marie, B., Raymond, S., and Brêthes, J.-C. 1995. Growth and maturation of the benthic stages of male snow crab, Chionoecetes opilio (Brachyura, Majidae). Can. J. Fish. Aquat. Sci. 52(5): 903-924. doi: 10.1139/f95-091. Smith, J.E., Macreadie, P.I., and Swearer, S.E. 2010. An osmotic induction method for externally marking saltwater fishes, Stigmatopora argus and Stigmatopora nigra, with calcein. J. Fish Biol. 76(4): 1055-1060. doi: 10.1111/j.1095-8649.2010.02551.x.
