Inshore migration of a tropical eel, Anguilla marmorata, from Taiwanese and Japanese coasts.

• ARAI TAKAOMI

  Otsuchi Marine Research Center, Ocean Research Institute, The University of Tokyo

• MARUI MIHO

  Ocean Research Institute, The University of Tokyo

• OTAKE TSUGUO

  Faculty of Bioresources, Mie University

• TSUKAMOTO KATSUMI

  Ocean Research Institute, The University of Tokyo

抄録

The otolith microstructure and microchemistry of a tropical eel, Anguilla marmorata, were examined in glass eels collected from Taiwanese and Japanese coasts. Ages at metamorphosis (onset of metamorphosis) and recruitment, respectively, were 114 ± 13.8 (mean ± SD) days and 144 ± 15.7 days in Taiwanese stock, and 123 ± 13.9 days and 154 ± 17.3 days in Japanese stock. No significant differences were found in ages between the two stocks. The duration of metamorphosis estimated from otolith microstructure was 10-24 days, which is the same in the different stocks. For both stocks examined, close linear relationships were found between ages at metamorphosis and recruitment, suggesting that individuals that metamorphosed earlier were recruited to the coasts at a younger age.

収録刊行物

• Ｆｉｓｈｅｒｉｅｓ　ｓｃｉｅｎｃｅ

  Ｆｉｓｈｅｒｉｅｓ　ｓｃｉｅｎｃｅ 68 (1), 152-157, 2002

  公益社団法人 日本水産学会

キーワード

• Anguilla marmorata
• glass eel
• growth increments
• inshore migration
• metamorphosis
• otolith
• Sr:Ca ratios
• tropical eel

詳細情報

• CRID: 1390001204428712960
• NII論文ID: 130003742419
• NII論文ID: 10008272453
• NII書誌ID: AA10993718
• DOI: 10.1046/j.1444-2906.2002.00401.x
• COI: 1:CAS:528:DC%2BD38Xis1Oitb4%3D
• ISSN: 14442906
• ISSN: 09199268
• NDL書誌ID: 6060446
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I6060446
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用不可