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  1. Otoliths and vertebrae as potential hard structures for ageing South African yellowfin tuna <em>Thunnus albacares</em>

    Otoliths and vertebrae as potential hard structures for ageing South African yellowfin tuna Thunnus albacares

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JD Filmalter --- Department of Ichthyology and Fisheries Science, South Africa OLF Weyl --- Department of Ichthyology and Fisheries Science, South Africa W Sauer --- Department of Ichthyology and Fisheries Science, South Africa
    Sagittal otoliths and vertebrae from 46 yellowfin tuna Thunnus albacares (118-175 cm fork length) collected off the west coast of South Africa were assessed for potential usefulness in age estimation. Growth increments were found on both structures. Comparisons of growth...
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