Download FAR 2017/15 - Age determination protocol for blue cod (Parapercis colias)

This report documents the age determination protocol for blue cod, describing the current scientific methods used in New Zealand for otolith preparation and age determination to ensure accuracy and consistency over time. A brief history and the changes in the methodologies used in ageing blue cod are reported, and a description of the reference collection, and annotated examples of blue cod otolith preparations are also included.