Handbook on fish age determination: a Mediterranean experience Studies and Reviews. General Fisheries Commission for the Mediterranean. No. 98. Rome, FAO 2019

23 May 2022

https://www.fao.org/gfcm/publications/studies-reviews/98/en/ Fish age, among other biological parameters, is one of the most relevant pieces of data in reaching sustainable exploitation of fishery resources. Indeed, most analytical methods used in stock assessment require knowledge of demographic structure according to the age of stocks, as well as to recruitment, growth, maturity, natural mortality, etc., which are strictly linked to information on age and age structure. The literature on ageing analysis shows some gaps regarding ageing schemes, criteria and methodologies used in preparing calcified structures. These aspects affect both the precision and accuracy of age estimation.



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