38 
Fishery Bulletin 1 14(1) 
Age (d) 
no 
O' 
D 
J 
I . Jh 
■Female 
□ Male 
Oct. Nov. Dec. Jan. Feb Mar. Apr May Jun. 
Hatching time 
Figure 3 
Composition of (A) mantle length, (B), body weight (C) age, and (D) hatching time, by sex, for red 
flying squid ( Ommastrephes bartramii ) collected for this study in the North Pacific Ocean from July 
through November in 2011. 
Table t 
Absolute daily growth rates (DGR) as defined by Forsythe and Van Heukelem (1987) and instanta- 
neous growth rate (G) for mantle length (ML) and body weight (BW) of red flying squid ( Ommastrephes 
bartramii ) by sex and age class. Squid were collected in the North Pacific Ocean from July through 
November 2011. 
Age 
Sex class (d) 
Sample 
size 
Mantle length 
Body weight 
Mean 
ML (mm) 
DGR 
(mm/d) 
G 
Mean 
BW (g) 
DGR 
(g/d) 
G 
Female >150 
23 
219.13 
_ 
_ 
302.42 
_ 
_ 
151-200 
34 
241.74 
0.45 
0.20 
374.67 
1.44 
0.43 
201-250 
20 
277.67 
0.72 
0.28 
619.55 
4.90 
1.01 
251-300 
26 
321.27 
0.87 
0.29 
1005.18 
7.71 
0.97 
301-350 
4 
374.75 
1.07 
0.31 
1571.85 
11.33 
0.89 
Male >150 
32 
216.88 
- 
- 
287.76 
- 
- 
151-200 
38 
241.16 
0.49 
0.21 
399.54 
2.24 
0.66 
201-250 
23 
277.22 
0.72 
0.27 
613.65 
4.28 
0.86 
251-300 
7 
318.71 
0.83 
0.28 
959.06 
6.91 
0.89 
301-350 
1 
354.00 
0.71 
0.21 
1440.30 
9.62 
0.81 
