Using eye lens diameter as age indicator of young Lithognathus mormyrus and Diplodus vulgaris

A.J. Conides and L.A.J. Al-Hassan

Naga, 2000, vol. 23, issue 3, 21-22

Abstract: Eye lens diameter was analyzed in two sparid fish species, Lithognathus mormyrus and Diplodus vulgaris, in order to determine the possibility of using these data for age determination. The results showed that the technique could be adopted for determining the age of the two species when the specimens are very young. The method is especially useful for age determination when otolith or scale rings are not visible or when false rings may give erroneous readings.

Keywords: Age determination; Growth Lithognathus mormyrus; Diplodus vulgaris (search for similar items in EconPapers)
JEL-codes: Q00 (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:wfi:wfnaga:34981

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