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Maturation and Spawning of Filefish, Stephanolepis cirrhifer in the East Sea of Korea  

Kwon, Hyeok-Chan (Department of Fisheries Physics, Pukyong National University)
Lee, Jae-Bong (Fisheries Resources Research Division, National Fisheries Research & Development Institute)
Zhang, Chang-Ik (Department of Fisheries Physics, Pukyong National University)
Lee, Dong-Woo (Fisheries Resources Research Division, National Fisheries Research & Development Institute)
Choi, Young-Min (East Sea Fisheries Research Institute, National Fisheries Research & Development Institute)
Publication Information
Korean Journal of Ichthyology / v.23, no.2, 2011 , pp. 111-118 More about this Journal
Abstract
The maturation and spawning of filefish, Stephanolepis cirrhifer were investigated using samples randomly collected in the East Sea of Korea from August 2009 to July 2010. The total length at 50% group maturity of filefish was estimated to be 11.7 cm. Based on monthly changes in maturity stages and gonadosomatic index (GSI), the spawning period was estimated to be from June to September, and the peak spawning from August to September. The fecundity (F) ranged from 693,981 eggs to 7,383,429 eggs at 23.6 cm between minimum and maximum total length (TL) 13.3 cm and 23.6 cm respectively. The relationship between TL and F was expressed as F=$12.19TL^{4.208}$ ($R^2$=0.727). The sex ratio of male to female was 1 to 0.9.
Keywords
Filefish; Stephanolepis cirrhifer; maturation; spawning; reproduction;
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Times Cited By KSCI : 1  (Citation Analysis)
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