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Quillback Rockfish and Similar Species

Sebastes maliger

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Several fish can be confused with Quillback Rockfish. Here are the key differences.

Species often confused with {name}

Copper Rockfish

Sebastes caurinus

Key differences: Copper Rockfish typically have a more uniform copper-brown coloration, often with a white or pale stripe along the lateral line. They usually have 13-14 dorsal spines (vs. 15-16 for Quillback) and lack the prominent, long, quill-like anterior dorsal spines of the Quillback. The Quillback's dorsal fin is also more deeply notched.

Brown Rockfish

Sebastes auriculatus

Key differences: Brown Rockfish are generally more uniformly brown with a dark blotch on the operculum, but lack the distinct yellowish-orange mottling and the extremely long anterior dorsal spines of the Quillback. Brown Rockfish typically have 13 dorsal spines.

China Rockfish

Sebastes nebulosus

Key differences: China Rockfish are easily distinguished by a prominent yellow stripe running along the lateral line and several distinct yellow blotches on the body, which are absent in the Quillback Rockfish. China Rockfish also have fewer dorsal spines (13).

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