Age and Growth of Striped Beakperch Oplegnathus fasciatus in the Jeju Marine Ranching Area

제주바다목장해역의 돌돔(Oplegnathus fasciatus)의 연령과 성장

  • 장창익 (부경대학교 해양생산시스템관리학부) ;
  • 권혁찬 (부경대학교 해양생산시스템관리학부) ;
  • 권유정 (국립수산과학원 자원관리과) ;
  • 김병엽 (제주대학교 해양산업경찰학과)
  • Received : 2012.09.17
  • Accepted : 2013.02.22
  • Published : 2013.03.31

Abstract

We studied the age and growth of striped beakperch (Oplegnathus fasciatus) in the Jeju marine ranching area using a total of 423 otoliths from August 2009 to August 2010. The surface reading method, which was etched with 5% HCl, was the best method to read ages of this fish. The monthly mean fork length ranged from 20.9 cm to 27.7 cm in the Jeju marine ranching area during from August 2009 to August 2010. The annual ring was formed in July to September once a year. Fish were principally composed of 3 to 5 years old and the oldest was 12 years old. The von Bertalanffy growth parameters of this species, which were estimated from a non-linear regression, were $L_{\infty}$=48.20 cm, $t_0$=-1.031yr, and K=0.123/yr.

Keywords

Acknowledgement

Grant : 한국 연안해역의 돌돔의 연령과 성장

Supported by : 부경대학교

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