Laidig and Sakuma: Description of larval and juvenile Sebastes rastrelliger 
793 
Development of head spines in 
Table 3 
grass rockfish, Sebastes rastrelliger. 
“1” means spine present and 
“0” means spine absent. 
Standard length (mm 
Spines 
10.0 
13.8 
16.7 
17.4 
18.0 
18.3 
18.8 
19.2 
19.3 
19.7 
20.9 
21.6 
22.7 
24.3 
27.7 
Nasal 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Preocular 
0 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Supraocular 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
Postocular 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Coronal 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
Tympanic 
0 
0 
0 
0 
0 
0 
0 
0 
0 
1 
1 
1 
1 
1 
1 
Parietal 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Nuchal 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Pterotic 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
0 
0 
0 
Posttemporals 
Superior 
0 
0 
0 
0 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Inferior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Supracleithral 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Operculars 
Superior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Inferior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Preoperculars 
1st anterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
2nd anterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
3rd anterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1st posterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
2nd posterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
3rd posterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
4th posterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
5th posterior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Infraorbitals 
1st inferior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
2nd inferior 
0 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
3rd inferior 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
1st superior 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
2nd superior 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
3rd superior 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
4th superior 
0 
0 
0 
0 
0 
0 
1 
1 
1 
1 
1 
1 
1 
1 
1 
Standard length (mm) 
Figure 2 
Plot of total otolith radius and standard length of grass 
rockfish, Sebastes rastrelliger (n = 16). Solid line indicates 
predicated values from linear model. 
