(Red rockfishes with strong head spines)
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Body color: Bright red-orange to pink; membranes between posterior-most dorsal spines black.
|Maximum length: 14 in (35 cm)||Peritoneum color: light|
|Maximum depth: 437 fm (800 m)||Shape between eyes: concave|
|Common depth: 82-273 fm (150-500 m)||Counts: D:XIV-XVI,8-10,
Ar:5, P1:21-23, GR:18-21,
LLp:30-34, LLs:35-38, V:27-30
Shortspine Thornyhead - pectoral fin deeply notched, lower rays not highly branched; body less deep.
Longspine Thornyhead - lower pectoral rays not highly branched; body less deep.
Aleutian Scorpionfish (genus Adelosebastes) - cheek spines 1-2, weak; lower pectoral rays fingerlike; head spines very large; body deep.
Other Rockfishes (genus Sebastes) - cheek spines absent; pectoral fin rounded, lacking notch; dorsal spines 12-15 (14-16 in Broadbanded thornyhead).
Distribution: Aleutian Islands