Download FAR 2022/29 Relative abundance, size and age structure, and stock status of blue cod off Banks Peninsula in 2021

This report describes the results of the random-site blue cod (Parapercis colias) potting survey carried out off Banks Peninsula in April 2021. Estimates are provided for population abundance, size and age structure, sex ratio, total mortality (Z), and spawner biomass-per-recruit ratio. In addition, results are presented for surveys carried out in two Banks Peninsula marine reserves (Pohatu and Akaroa).