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  1. 139 大気海洋研究所
  2. 80 国際沿岸海洋研究センター
  3. Coastal Marine Science
  4. 43
  5. 1
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. Coastal Marine Science
  4. 43
  5. 1

Unique morphological characteristics of Japanese sand lances, genus Ammodytes, possibly endemic along the northern Sanriku Coast

https://doi.org/10.15083/00079482
https://doi.org/10.15083/00079482
c387255f-680c-47e8-8d21-6460b1df405b
名前 / ファイル ライセンス アクション
CMS430103.pdf CMS430103.pdf (4.0 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2020-08-31
タイトル
タイトル Unique morphological characteristics of Japanese sand lances, genus Ammodytes, possibly endemic along the northern Sanriku Coast
言語
言語 eng
キーワード
主題Scheme Other
主題 Ammodytes
キーワード
主題Scheme Other
主題 iridophore
キーワード
主題Scheme Other
主題 Japanese sand lance
キーワード
主題Scheme Other
主題 morphology
キーワード
主題Scheme Other
主題 Otsuchi Bay
キーワード
主題Scheme Other
主題 Sanriku Coast
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00079482
ID登録タイプ JaLC
著者 Amiya, Noriko

× Amiya, Noriko

WEKO 161640

Amiya, Noriko

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Yoshinaga, Tatsuki

× Yoshinaga, Tatsuki

WEKO 161641

Yoshinaga, Tatsuki

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Ida, Hitoshi

× Ida, Hitoshi

WEKO 161642

Ida, Hitoshi

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Aoyama, Jun

× Aoyama, Jun

WEKO 161643

Aoyama, Jun

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Yoneda, Michio

× Yoneda, Michio

WEKO 161644

Yoneda, Michio

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著者所属
著者所属 School of Marine Biosciences, Kitasato University
著者所属
著者所属 International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo
著者所属
著者所属 National Research Institute of Fisheries and Environment of Inland Sea, Japan Fisheries Research and Education Agency
抄録
内容記述タイプ Abstract
内容記述 Herein, we report a unique morphological characteristic of Japanese sand lances, genus Ammodytes, inhabiting the northern Sanriku Coast. Japanese sand lances are distributed widely in Japanese coastal waters and possess vivid spots on the both sides of their head, which reflect environmental light and can be visually observed. However, the population in Otsuchi Bay, Iwate completely lacks these spots, which is mutual in the sympatric species A. japonicus and A. heian. This difference in the local population in the Otsuchi Bay relative to those in other localities has been likely overlooked because the spots quickly disappear after the fish dies; therefore, they are not recognizable in preserved specimens. Furthermore, the population in Sendai Bay, Miyagi consists of individuals with these spots present (75%) and absent (25%), suggesting an immigration of the latter from the northern Sanriku Coast. Microscopic observation revealed that the spots are iridophore-like cells because of their oval shape and the absence of pigments and are probably connected to the nervous system. The present study should encourage future research to clarify the taxonomy and population structure of Japanese sand lances, whose stock has been decreasing and for which a management plan is urgently needed.
内容記述
内容記述タイプ Other
内容記述 Short Note
書誌情報 Coastal marine science

巻 43, 号 1, p. 32-35, 発行日 2020
ISSN
収録物識別子タイプ ISSN
収録物識別子 13493000
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11957899
著者版フラグ
値 publisher
出版者
出版者 International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo
出版者別名
東京大学大気海洋研究所国際沿岸海洋研究センター
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