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Taxonomy and adaptive radiation of the gravel-dwelling gobies of the genus Astrabe and allies

Research Project

Project/Area Number 17K07900
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Aquatic bioproduction science
Research InstitutionMuseum of Natural and Environmental History, Shizuoka

Principal Investigator

Shibukawa Koichi  ふじのくに地球環境史ミュージアム, 学芸課, 教授 (30435739)

Co-Investigator(Kenkyū-buntansha) 武藤 文人  東海大学, 海洋学部, 准教授 (50392915)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords分類学的再検討 / 未記載種 / 学名確定 / 間隙性動物 / 魚類 / 環境適応 / 種多様性 / 汀線 / 生物多様性
Outline of Final Research Achievements

A taxonomic review of the gravel-dwelling gobies of the genus Astrabe and allies (Perciformes, Gobiidae), endemic to the coastal waters in the East Asia, reveals that the group comprises 56 species of 4 genera (Astrabe, Clariger, Inu, and Luciogobius); 29 species of them are undescribed. Most of the gobies in this group inhabit interstices of boulders and/or gravels piled along the shoreline, and their morphological characters, including musculature and osteological features, include a number of specializations that appear to be useful for living in a narrow environment. Many of the most species-rich genus Luciogobius are found in the intertidal zone, while the other 3 genera are usually found in the subtidal zone. It suggests that the remarkably rich species diversity in Luciogobius has been cultivated by the development of characteristics, which were enabled the entry into the environment free of competing fishes, viz., intertidal gravel bottoms where dry up in the low-tide hours.

Academic Significance and Societal Importance of the Research Achievements

本研究により、汀線付近に堆積する砂礫の間隙という、脊椎動物の生息場所としては極めて特殊な環境下で醸成されたアストラベ群の種多様性が大きく解明された。とくに日本での著しい種多様性が確認され(全56種中54種が日本産、その内の46種が日本固有)、その爆発的種分化を招いた日本沿岸の砂礫環境の豊かさ、多様さを裏づける結果となった。中でもミミズハゼ属における未記載種の多さは、潮間帯の砂礫だまりというアクセスしやすい環境でさえ、さらには脊椎動物という比較的大型の生物に関してでさえも、我々の現在の生物多様性認識が未だ不十分であることを示すものである。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (13 results)

All 2020 2019 2018 2017

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 4 results) Presentation (9 results) (of which Int'l Joint Research: 1 results,  Invited: 4 results)

  • [Journal Article] Inu Snyder, 1909とは何か?―コマハゼ属の再定義および関係する砂礫間隙性ハゼ類の放散に関する考察2020

    • Author(s)
      渋川浩一・藍澤正宏
    • Journal Title

      東海自然誌

      Volume: 13 Pages: 79-116

    • NAID

      40022242262

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 伏流水性ミミズハゼ属魚類ナガレミミズハゼとユウスイミミズハゼの生活史―飼育下における仔稚魚の外部携帯の変化を中心として2020

    • Author(s)
      金川直幸・川嶋尚正・國領康弘・板井隆彦・渋川浩一
    • Journal Title

      東海自然誌

      Volume: 13 Pages: 65-78

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 静岡県産ミミズハゼ属魚類の分類学的再検討(予報)2019

    • Author(s)
      渋川浩一・藍澤正宏・鈴木寿之・金川直幸・武藤文人
    • Journal Title

      東海自然誌

      Volume: 12 Pages: 29-96

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 大井川下流域で確認されたナガレミミズハゼ2018

    • Author(s)
      渋川浩一・金川直幸・國領康弘
    • Journal Title

      東海自然誌

      Volume: 11 Pages: 45-50

    • NAID

      40021764085

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 足もとの魚類群集―アストラベ群の種多様性と適応放散2020

    • Author(s)
      渋川浩一
    • Organizer
      静岡大学理学部 サイエンスカフェin静岡
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] ハゼを名づける2019

    • Author(s)
      渋川浩一
    • Organizer
      柿田川研究会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 身近で意外と知らない魚たち 波打ち際もすごい!じゃりの中は新種だらけ!2019

    • Author(s)
      渋川浩一
    • Organizer
      ふじのくに地域・大学コンソーシアム しずおかいきもの講座
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Species Diversity of Fishes of Japan: Its Origin and Current Status fostered in the East-Asian insular habitats2019

    • Author(s)
      Koichi Shibukawa
    • Organizer
      The 3rd International Symposium in Shizuoka Prefecture, hosted by fujimu and Mt. Fuji WHC
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 静岡県にはなぜこんなにミミズハゼが多いのか?2019

    • Author(s)
      渋川浩一
    • Organizer
      ふじのくに地球環境史ミュージアム「サイエンストーク@図鑑カフェ」
    • Related Report
      2018 Research-status Report
  • [Presentation] 間隙性魚類アストラベ群の分類と環境適応2018

    • Author(s)
      渋川浩一
    • Organizer
      ふじのくに地球環境史ミュージアム「サイエンストーク@図鑑カフェ」
    • Related Report
      2017 Research-status Report
  • [Presentation] 間隙に潜む多様性―アストラベ群魚類の分類の現状と展望2017

    • Author(s)
      渋川浩一
    • Organizer
      魚類分類研究会
    • Related Report
      2017 Research-status Report
  • [Presentation] 三保半島およびその近辺におけるミミズハゼ属魚類の分布と生息環境2017

    • Author(s)
      武藤 文人・齋藤 佑将・水谷 さつき・市川 恭平・山岸 光耀・村木 尚斗・渋川 浩一
    • Organizer
      日本魚類学会
    • Related Report
      2017 Research-status Report
  • [Presentation] 静岡県産ミミズハゼ属魚類の分類と分布2017

    • Author(s)
      渋川浩一・藍澤正宏・鈴木寿之・金川直幸・武藤文人
    • Organizer
      ゴリ研究会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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