This report summarises bycatch and discards in hoki, hake, ling, silver warehou, and white warehou trawl fisheries for 1990–91 to 2016–17, based on analysis of fisheries observer and commercial catch effort data. Javelinfish, other rattails, and spiny dogfish were the main bycatch species recorded by observers. Total annual bycatch for the period ranged from 17 500 t to 49 000 t; total annual discards (for 2002–03 to 2016–17) were 5000 t to 25 000 t and decreased significantly after 2002–03.
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