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Age, growth, sex-ratio, spawning season and food of golden banded goatfish,Upeneus moluccensisBleeker (1855) from the Mediterranean and south Aegean Sea coasts of Turkey

Authors
Journal
Fisheries Research
0165-7836
Publisher
Elsevier
Publication Date
Volume
41
Issue
3
Identifiers
DOI: 10.1016/s0165-7836(99)00027-2
Keywords
  • Upeneus Moluccensis
  • Age
  • Growth
  • Sex Ratio
  • Feeding Habits
Disciplines
  • Social Sciences

Abstract

Abstract The length, growth, age composition, spawning season, sex ratio, and food of golden banded goatfish ( Upeneus moluccensis) were studied on the basis of 711 specimens from the eastern Mediterranean Sea. Females made up 75.25% and males 24.75% of the species. The fork length of females ranged from 8.6 to 17.8 cm, and of males, from 8.5 to 16.1 cm. The length–weight relationships estimated for males and females were: W=0.01051 L 3.15006 and W=0.00607 L 3.35215, respectively. Mean fork length at age data derived from otolith readings were used to estimate the growth parameters of the von Bertalanffy equation. The estimated parameters were: L ∞=26.20 cm, K=0.11, t o=−4.08 for females, and L ∞=23.86 cm, K=0.12, t o=−3.69 for males The maximum age group determined was VI for females and V for males. Age group III was the dominant one in females and age group II in males. The monthly values of gonadosomatic index (GSI) of females indicated that the spawning occurred mainly in August and September. Golden banded goatfish fed mainly on Crustacea.

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