Measurement of European hake otoliths indicate, a curvilinear relationship between both cross-section and whole otolith dimensions and fish length. Because of this allometry of otolith growth, cross-sections of otoliths allow more reliable ring counting. Fish lengths derived from backcalculation of modal sizes in otolith rings frequency distributions and from analysis of survey and commercial catch data are in agreement. The observed high variability in length attained after the first winter indicates the existence of a broad range of patterns of early growth probably dependent on date of spawning.
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