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NAFO SC Studies No. 40 (2007)

Identification of Wolffish, Hake and Rockling in the Northwest Atlantic

Identification of Wolffish, Hake and Rockling in the Northwest Atlantic

(pdf 790 kb)

D. Kulka, C. Miri, and A. B. Thompson

Abstract

Accurate reporting of all species harvested in the northwest Atlantic, including those that are not subject to an assessment, is essential to the management of fish stocks and monitoring of overall ecosystem health. Of particular concern in recent years is the non-specific identification of wolffish (Anarhichas denticulatus, A. minor, and A. lupus) and the apparent misidentification of hake (Urophycis chesteri and U. tenuis) and rockling (Gaidropsarus ensis and G. argentatus) caught in the NAFO Regulatory Area. These species should be relatively easy to identify provided that correct criteria are used. This paper discussed the background to this problem and provides a clear identification guide for use on commercial vessels by masters, observers and inspectors.

 

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