Qrr and Hawkins: Species of the rougheye rockfish complex 
121 
Table 5 
Counts of gill rakers, lateral-line pores, and left infraorbital spines in Sebastes aleutianus (rougheye rockfish) and Sebastes 
melanostictus (blackspotted rockfish). Lower West Coast = waters off the coast of British Columbia, Washington, Oregon, and 
California. Western Pacific Ocean = waters off the coast of the Kuril Islands and Japan. 
Gill rakers 
29 
30 
31 
32 
33 
34 
35 
36 n 
Sebastes aleutianus 
Lower West Coast 
1 
8 
15 
6 
3 
Gulf of Alaska 
5 
8 
28 
19 
6 
2 
Bering Sea and Aleutian Is. 
5 
4 
6 
Total 
6 
16 
43 
25 
9 
2 
101 
Sebastes melanostictus 
Lower West Coast 
1 
3 
3 
4 
7 
1 
Gulf of Alaska 
1 
9 
25 
22 
26 
10 
Bering Sea and Aleutian Is. 
1 
7 
12 
24 
10 
3 
2 
Western Pacific Ocean 
1 
5 
6 
5 
3 
Total 
4 
19 
45 
56 
48 
17 
2 191 
Gill rakers of the upper 
arch 
8 
9 
10 
11 
n 
Sebastes aleutianus 
Lower West Coast 
4 
21 
4 
Gulf of Alaska 
3 
39 
13 
Bering Sea and Aleutian Is. 
4 
10 
Total 
11 
70 
17 
98 
Sebastes melanostictus 
Lower West Coast 
2 
12 
1 
Gulf of Alaska 
2 
32 
40 
6 
Bering Sea and Aleutian Is. 
3 
21 
23 
1 
Western Pacific Ocean 
9 
9 
2 
Total 
5 
64 
84 
10 
163 
Gill rakers of the lower arch 
21 
22 
23 
24 
25 
26 
n 
Sebastes aleutianus 
Lower West Coast 
7 
14 
7 
1 
Gulf of Alaska 
10 
31 
10 
4 
Bering Sea and Aleutian Is. 
2 
6 
6 
Total 
19 
51 
23 
5 
98 
Sebastes melanostictus 
Lower West Coast 
2 
5 
8 
Gulf of Alaska 
1 
9 
25 
40 
5 
Bering Sea and Aleutian Is. 
1 
6 
18 
18 
4 
1 
Western Pacific Ocean 
1 
3 
8 
7 
1 
Total 
3 
20 
56 
73 
10 
1 
163 
continued 
sphenotic spines often prominent, occasionally moder- 
ate or small in size. Interorbital region wide, 5. 5-8. 9 
(8.7) % SL, flat to slightly concave; frontal ridges be- 
tween orbits moderate to strong; parietal ridges strong, 
with area between ridges slightly convex or flat. Pre- 
opercular spines 5, directed posteroventrally; opercular 
spines 2, upper spine directed posteriorly, lower spine 
directed posteriorly and slightly ventrally. Posttempo- 
