Clusters obtained using agglomerative Ward's hierarchal clustering applied to the last three points of the otolith transects (capture point) including all samples (a) and including only samples of sizes 70-90 cm (c). Barplots on the right (b, d) indicate the number of individuals from each sampling event that were assigned to the differentclusters with (b)corresponding to the clusters in (a), and (d)corresponding to the clusters in (c). The x-axis on the barplot represents the number of individuals for each sampling event colored by their assigned cluster.