Download FAR 2021/31 Age determination protocol for ling (Genypterus blacodes)

This report documents the age determination protocol for ling (Genypterus blacodes). It describes the most recent scientific methodologies used for otolith preparation and interpretation, ageing procedures, and the estimation of ageing precision. Digital images of otolith sections illustrate the zone interpretation used to determine fish age. Difficulties and idiosyncrasies related to ageing prepared otoliths are also documented.