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Age, Growth, and Mortality of the Common Pandora (Pagellus erythrinus, L. 1758) in the Central Aegean Sea: Insights into Population Dynamics

Alexandros Theocharis; Sofia Vardali; Dimitris Klaoudatos
Fishes · Vol. 10, Issue 4 · pp. 160 · 2025

Abstract

This study investigates the age, growth, and mortality of the common pandora (Pagellus erythrinus) in the Central Aegean Sea, providing critical insights into its population dynamics and sustainability. A total of 589 specimens were analyzed, identifying nine age cohorts with mean total lengths ranging from 13.18 cm to 32.94 cm. Growth parameters, estimated using the von Bertalanffy growth model, yielded an asymptotic length (L∞) of 39.53 cm and a growth coefficient (k) of 0.16 year−1, indicating moderate growth rates. The population exhibited non-isomorphic growth (b = 2.49, R2 = 98.4), suggesting slower weight gain relative to length. Mortality estimates indicated natural mortality (M) at 0.321 year−1, total mortality (Z) at 0.52 year−1, and fishing mortality (F) at 0.2 year−1, resulting in an exploitation rate (E) of 0.38. The fishing mortality at maximum sustainable yield (FMSY) was estimated at 0.33, with an exploitation rate at MSY (EMSY) of 0.51, suggesting that the population is currently harvested sustainably but close to the threshold of overexploitation. These findings provide essential reference points for fisheries management and highlight the need for continuous monitoring to ensure the long-term sustainability of P. erythrinus in Greek waters.

Bibliographic Information

JournalFishes
PublisherMDPI
Publication Date2025-04-04
Publication Year2025
Volume10
Issue4
Pages160
Document TypeJournal Article
eISSN2410-3888
DOI10.3390/fishes10040160
SubjectFisheries; fish biology; aquaculture; aquatic ecology; fisheries management

Access Information

NARA Access CoverageOA / free full text
Journal Homepagehttps://www.mdpi.com/journal/fishes
Publisher PageOpen Publisher Page
This article is openly available from the publisher.