Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/51831
Title: Age estimation and growth of the zebra seabream Diplodus cervinus cervinus (Lowe, 1838) on the Canary Islands shelf (Central-east Atlantic)
Authors: Pajuelo, José G. 
Lorenzo, José M. 
Domínguez-Seoane, Rosa
UNESCO Clasification: 310510 Dinámica de las poblaciones
Keywords: Age and growth
Backcalculation
Seasonalised growth
Diplodus cervinus
Issue Date: 2003
Publisher: 0165-7836
Journal: Fisheries Research 
Abstract: The zebra seabream, Diplodus cervinus cervinus, is one of the most important coastal demersal species inhabiting in the Canary Islands. Growth analysis revealed that this species is a slow growing and a long-lived species, with ages of up to 17 years. Each translucent zone in the otoliths represented an annulus with a year’s growth represented by an opaque and its adjacent hyaline zone. Length at age was described by the specialised von Bertalanffy growth model (L∞=594 mm, k=0.156 year−1, and t0=−0.188 year), the Schnute growth model (y1=98 mm; y2=565 mm; a=0.131; b=1.158) and the seasonalised von Bertalanffy growth model (L∞=594 mm; k=0.156 year−1; t0=−0.095 year; C=0.639; ts=0.818). A power relationship (a=45.82 and v=1.2414) was estimated between total length and the otolith radius. Backcalculated length were similar to those predicted by the growth models. Growth parameters estimated from the backcalculated sizes at age were L∞=612 mm; k=0.152 year−1; t0=−0.32 year.
URI: http://hdl.handle.net/10553/51831
ISSN: 0165-7836
DOI: 10.1016/S0165-7836(02)00249-7
Source: Fisheries Research [ISSN 0165-7836], v. 62, p. 97-103
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