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Rock Sole Research in Alaska

Rock sole research in the Bering Sea and Gulf of Alaska.

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The rock sole, along with other flatfishes are an important trawl fishery resource in the Bering Sea and Gulf of Alaska. There are two species, the southern rock sole which is more common in the Gulf of Alaska and the northern rock sole which are distributed throughout the Gulf of Alaska and eastern Bering Sea. Research by the Alaska Fisheries Science Center has included growth and maturity assessments, juvenile habitat preference, larval dispersion, adult migration behavior, and potential effects of ocean acidification on eggs and larvae.

More recent studies have focused on food relationships that might influence the distribution and abundance of northern rock sole populations. For example, polychaetes, also known as bristle worms, are important as food for the northern rock sole, and their abundance and distribution could affect the population strength of northern rock sole stocks. The distribution of the flatfish in response to warming ocean temperatures is also being studied to see whether it will change the composition and availability of their food.

Additional Resources

Resources

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Alaska Groundfish Survey Data Map

The Resource Assessment and Conservation Engineering Division of the Alaska Fisheries Science Center conducts bottom trawl surveys to monitor the…

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Alaska Age and Growth Age Reading Interactive Demonstration

Want to try your hand at ageing fish bones? Try our latest interactive fish ageing program: ARD 2.0. To get started, click on the link to ARD 2.0…

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Alaska Fish Stomach Database

Stomach samples from many species have been collected and analyzed since the 1980s. For each predator listed in the menu below, the total number of…