Determination of age and growth of the striped seabream <i>Lithognathus mormyrus</i> (Sparidae), in the Canary archipelago by otolith readings and backcalculation

José G. Pajuelo; José M. Lorenzo; María Méndez; Josep Coca; Antonio G. Ramos

doi:10.3989/scimar.2002.66n127

Determination of age and growth of the striped seabream Lithognathus mormyrus (Sparidae), in the Canary archipelago by otolith readings and backcalculation

Authors

José G. Pajuelo Departamento de Biología, Universidad de Las Palmas de Gran Canaria
José M. Lorenzo Departamento de Biología, Universidad de Las Palmas de Gran Canaria
María Méndez Departamento de Biología, Universidad de Las Palmas de Gran Canaria
Josep Coca Departamento de Biología, Universidad de Las Palmas de Gran Canaria
Antonio G. Ramos Departamento de Biología, Universidad de Las Palmas de Gran Canaria

DOI:

https://doi.org/10.3989/scimar.2002.66n127

Keywords:

Lithognathus mormyrus, age, growth, otolith readings, backcalculation, Canary Islands

Abstract

The age and growth of the striped seabream Lithognathus mormyrus caught off the Canary Islands (central-east Atlantic) from January to December 1999 were studied. A total of 496 individuals, ranging in size between 113 and 350 mm total length, were examined. Otoliths clearly showed the ring pattern common to teleost fishes. One year´s growth was made up of one opaque and one translucent ring. The opaque ring was deposited during the summer months and the translucent one during the winter months. Fish aged 0-8 years old were found. The von Bertalanffy growth parameters for all fish were: L_?=427 mm, k=0.19 year^-1, and t₀=1.46 year. The otolith readings for estimating age and growth were confirmed by using the backcalculation method.

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Published

2002-03-30

How to Cite

Pajuelo JG, Lorenzo JM, Méndez M, Coca J, Ramos AG. Determination of age and growth of the striped seabream Lithognathus mormyrus (Sparidae), in the Canary archipelago by otolith readings and backcalculation. Sci. mar. [Internet]. 2002Mar.30 [cited 2024Apr.19];66(1):27-32. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/560

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Issue

Vol. 66 No. 1 (2002)

Section

Articles

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