Age and Growth of Pointhead Flounder <i>Hippoglossoides pinetorum</i> in Ishikari Bay, Hokkaido

• Tominaga Osamu

  Faculty of Biotechnology, Fukui Prefectural University

• Inoguchi Ken

  Faculty of Fisheries, Hokkaido University

• Watanabe Yasuhiro

  Hokkaido Fisheries Experimental Station

• Yamaguchi Motohito

  Hokkaido Fisheries Experimental Station

• Nakatani Toshikuni

  Faculty of Fisheries, Hokkaido University

• Takahashi Toyomi

  Faculty of Fisheries, Hokkaido University

Bibliographic Information

Other Title

• Age and Growth of Pointhead Flounder Hippoglossoides Pinetorum in Ishikari Bay,Hokkaido
• Age and Growth of Pointhead Flounder Hi

Abstract

Pointhead flounder, Hippoglossides pinetorum, taken by commercial gillnets and an experimental beam trawl net in Ishikari Bay, Hokkaido from September 1991 to July 1993 were aged using polished otoliths (saggitae). Ages were validated by the monthly change in the percentageof otolith with translucent edge and marginal increments; a single opaque and translucent zone was formed annually. The regression method and Lee (Fraser-Lee)'s method were used to estimate the back-calculated length. Growth of pointhead flounder was expressed as L_t=251.9(1-exp^{-0.261(t-0.142)}) formales and L_t=315.1(1-exp^{-0.219(t-0.200)}) for females using back-calculated lengths by the regression method and L_t=251.6(1-exp^{-0.263(t-0.142)}) for males and L_t=333.0(1-exp^{-0.204(t-0.186)}) for females using back-calculated lengths by Lee's method, where Lt is the standard length (mm) at estimatedage t. Small differences in the theoretical lengths of older female fish were found between the twomethods. However, the theoretical standard lengths predicted by the two methods were very similar at most estimated ages and indicated the approximate actual length at each age.

Journal

• Fisheries science

  Fisheries science 62 (2), 215-221, 1996

  The Japanese Society of Fisheries Science

Keywords

• Hippoglossoides pinetorum
• age
• growth
• otolith

Details

• CRID: 1390001204429217920
• NII Article ID: 10004865453
• NII Article ID: 130003902892
• NII Book ID: AA10993718
• DOI: 10.2331/fishsci.62.215
• COI: 1:CAS:528:DyaK28XisFGns74%3D
• HANDLE: 2115/38559
• NDL BIB ID: 3951193
• ISSN: 09199268
• ISSN: http://id.crossref.org/issn/09199268
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3951193
• Web Site: https://www.jstage.jst.go.jp/article/fishsci1994/62/2/62_2_215/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • IRDB
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed