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Many rockfish species range from Baja California to British Columbia, and some extend to Alaska. Adults of most species are found at depths to 1,200 feet. Rockfish are basically non-migratory fish. Recognized by the sharp spines on their dorsal fins, rockfish vary in length from 20" to 37" and may weigh up to 30 pounds. The species mix varies by area and fishing method: fishermen use hook and line (a category that includes both troll and longline), gillnets, and trawl nets to catch rockfish. Gillnet and trawl catches, which produce the largest volume at a reasonable price, are often processed into fillets for restaurants and retail sale, although some of this fish is also marketed whole. Hook and line rockfish are usually marketed in whole form, with a growing number delivered alive. Considered premium quality by Oriental markets, the hook and line catch receives top price.
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