Download FAR 2017/16 - Relative abundance, size and age structure, and stock status of blue cod off Kaikoura in 2015

This report describes the results of blue cod (Parapercis colias) fixed and random site potting surveys carried out concurrently off Kaikoura in December 2015. Estimates are provided for population abundance, size and age structure, sex ratio, total mortality (Z), and spawner-per-recruit. This is the fourth survey in the Kaikoura fixed site survey time series, following surveys in 2004, 2007, and 2011; and the second random site survey with the previous survey in 2011.