Download FAR 2019/43 Commercial catch sampling for species proportion, sex, length, and age of jack mackerels in JMA 7 in the 2017–18 fishing year, with a summary of all available data sets

Estimates of relative species proportions and catch-at-age for the three jack mackerel (Trachurus) species in the commercial JMA 7 catch for 2017–18 are presented. The available time series of catch-at-age estimates, sex ratios and species proportions for the JMA 7 catch (2006–07 to 2017–18) are summarised.