Download FAR 2017/13 - Age determination protocol for hoki (Macruronus novaezelandiae)

The age determination protocol for hoki (Macruronus novaezelandiae) is described. Digital image examples of otolith reference set preparations are presented and fully illustrate the zone interpretation used in determining fish age for hoki. Associated difficulties and idiosyncrasies related to ageing prepared otoliths are also described.