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      Possible Use of Lumpfish to Control Caligus elongatus Infestation on Farmed Atlantic Salmon: A Mini Review

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          In this mini review, we systematized current knowledge about the number of Caligus elongatus on farmed Atlantic salmon in relation to the use of lumpfish as cleaner fish. The review was prompted by reports of an unusually large number of sea lice ( C. elongatus) infestation of farmed salmon in northern Norway, Faroese Islands and Iceland and the urgent need to determine if common lumpfish can be used to reduce the number on farmed Atlantic salmon by actively grazing on sea lice. Available data from Norway clearly indicate that lumpfish grazes on C. elongatus, and it is possible to enhance this grazing with the assistances of livefeed conditioning prior to sea pen transfer and selective breeding. Observations from Iceland, Faroese Islands and Scotland also indicate that lumpfish can effectively lower infestations of C. elongatus on salmon. Overall, this mini review expresses that lumpfish can actively lower the number of C. elongatus on farmed Atlantic salmon.

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          Author and article information

          Journal of Ocean University of China
          Science Press and Springer (China )
          02 September 2020
          01 October 2020
          : 19
          : 5
          : 1133-1139
          1Akvaplan-niva Iceland Office, Akralind 4, 201 Kópavogur, Iceland
          2Department of Biological Sciences, University of Bergen, High Technology Center, 5020 Bergen, Norway
          3Akvaplan-niva, Trondheim Office, Havnegata 9, 7010 Trondheim, Norway
          4Akvaplan-niva, Framsenteret, 9296 Tromsø, Norway
          5Nordlaks Oppdrett AS, Post Box 224, 8455 Stokmarknes, Norway
          6Cermaq Finnmark AS, Markedsgata 3, 9510 Alta, Norway
          7GIFAS AS, Gildeskål, 8140 Inndyr, Norway
          Author notes
          *Corresponding author: IMSLAND Albert K., E-mail: albert.imsland@
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2020.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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