A stock assessment was conducted for SNA 7, updating the previous assessment conducted in 2015. The assessment incorporated an extended time-series of CPUE indices and age composition data from the Tasman Bay and Golden Bay fishery. Stock biomass was at low levels during the 1990s and early 2000s. Since the late 2000s, biomass is estimated to have increased considerably, following the recruitment of several strong year classes. Current (2016/17) biomass is estimated to be at about the target biomass level (40% SB0).
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