Age and growth of the black rockfish, Sebastes inermis, in the Jeonnam marine ranching area in the southern Sea of Korea

Kim, Hee‐Yong; Kim, Sanghwa; Huh, Sunjung; Seo, Young–Il; Lee, Sun-Gil; Ko, Jun-Chul; Cha, Hyung-Kee; Choi, Mun-Sung

doi:10.3796/ksft.2010.46.4.346

Journal of the Korean society of Fisheries Technology

2010

DOI: 10.3796/ksft.2010.46.4.346

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Age and growth of the black rockfish, Sebastes inermis, in the Jeonnam marine ranching area in the southern Sea of Korea

Hee‐Yong Kim¹,

Sanghwa Kim²,

Sunjung Huh³

et al.

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Cited by 2 publications

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Species Composition of Bycatch Fishes Collected by a Gape Net with Wings in the Coastal Waters of Dolsan-do, Yeosu, Korea

Jeong¹,

Yoo²,

Kim³

et al. 2015

Korean Journal of Fisheries and Aquatic Sciences

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The species composition of bycatch species in the coastal waters of Yeosu were determined by monthly sample collection using a gape net with wings in 2014. Of a total of 32 fishes collected, the dominant species were Ammodytes personatus, Conger myriaster leptocephali, Sebastes inermis, Trichiurus lepturus, Thryssa kammalensis, Leiognathus nuchalis, Syngnathus schlegeli, Thryssa adelae and Hexagrammos otakii. These 9species accounted for 95.2% of the total number of individuals collected. Most of the fish caught were juveniles and small fishes. Based on the results of multidemensional scaling (MDS) analysis, the bycatch fishes were divided into five group.

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Species Composition of Bycatch Fishes Collected by a Gape Net with Wings in the Coastal Waters of Dolsan-do, Yeosu, Korea

Jeong¹,

Yoo²,

Kim³

et al. 2015

Korean Journal of Fisheries and Aquatic Sciences

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Age and Growth of the Goldeyes Rockfish Sebasetes thompsoni in the Ulleungdo and Dokdo Areas

Heo¹,

Lee²,

Yang³

et al. 2015

Korean Journal of Fisheries and Aquatic Sciences

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We studied the characteristics of age and growth of the Goldeyes rockfish Sebasetes thompsoni in the Ulleungdo and Dokdo areas by using 730 otoliths from February 2013 to February 2014. The lowest value of the marginal index was found in June once a year. The spawning period was estimated as April. Therefore, the duration from fertilization to the complete formation of the first annual growth ring is fourteen months. From the parameters calculated using the weighted average length of the year ring formation, the growth of S. thompsoni was demonstrated by the von Bertalanffy growth equation as L t =34.68(1-e -0.2113(t+0.7683) ) for females and L t =29.79(1-e -0.2163(t+1.7964) ) for males, L t =32.84(1e -0.25(t+0.57) ) for combined sex. Comparing with growth performance index(Φ) from these 4 offshore areas, parameter of S. thompsoni in Ulleungdo area was 2.4087, that of in Tong-yeong was 2.2835, that of in Aomori was 2.4077 and in Niigata was 2.3927. As a result, the value of Dokdo and Ulleungdo areas showed the highest.

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Age and growth of the black rockfish, Sebastes inermis, in the Jeonnam marine ranching area in the southern Sea of Korea

Cited by 2 publications

References 5 publications

Species Composition of Bycatch Fishes Collected by a Gape Net with Wings in the Coastal Waters of Dolsan-do, Yeosu, Korea

Species Composition of Bycatch Fishes Collected by a Gape Net with Wings in the Coastal Waters of Dolsan-do, Yeosu, Korea

Age and Growth of the Goldeyes Rockfish Sebasetes thompsoni in the Ulleungdo and Dokdo Areas

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