Rosethorn (Sebastes helvomaculatus) are a small rockfish attaining a maximum length of 13 inches by the time they have reached 10 years of age ultimately attaining a maximum length of 16.5 inches. Their bodies are colored with orange or yellow with greenish mottling dorsally and lighter in color ventrally along the bottom.
Rosethorn rockfish are distinguished by 4 to 5 white spots tinged or bordered with light pink on their back. The second anal fin is much longer than the first and third spins.
Rosethorn rockfish are not usually a target species of anglers and are caught while fishing for other rockfish species.
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