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Genetic and Ecological Studies on the Evolution of Life-History in Freshwater Sculpins

Research Project

Project/Area Number 63540512
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 生態学
Research InstitutionHokkaido University

Principal Investigator

GOTO Akira  Faculty of Fisheries, Hokkaido University, Associate professor, 水産学部, 助教授 (30111165)

Project Period (FY) 1988 – 1989
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1989: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1988: ¥1,100,000 (Direct Cost: ¥1,100,000)
KeywordsJapanese Cottus / Isozime analysis / Genetic relationship / Reproductive style / Direct development / Polypatric speciaton / Life-history evolution / 日本産淡水カジカ類 / 繁殖戦略 / 生殖的隔離 / 河川陸封 / 多所的 / 平行的種分化 / 生活史変異 / 雄の繁殖戦略
Research Abstract

Japanese freshwater sculpins consist of 6 Cottus and 1 Trachidermus species, with various types of life-cycles, namely, catadromous, amphidromous, lacustrine land-locked and fluvial land-locked. In the present research, biochemical genetic and ecological studies of 6 Cottus species were carried out to understand the phylogenetic relationship and life-history evolution among the species, and the results were listed below.
1) Based on genetic similarity, the Cottus species were classified into following two major groups ; the first group originated from the Siberian Region or differentiated in Japan (C. Pollux, C. Amblystomopsis, C. Nozawae) and the second group originated from the Korea peninsula (C. Reinii, C. Hangiongensis).
2) A comparison of egg size, larval size, clutch size and early life-style among 6 Cottus species showed that their reproductive and life-history styles were characterized as following four distinct types ; the high productive with small eggs and non-direct developm … More ent for lacustrine land-locked C. Reinii, the intermediate productive with small eggs and nondirect development for catadromous C. Kazika, the intermediate productive with middle size of eggs and non-direct development for amphidromous C. Pollux, C. Hangiongensis and C. Amblystomopsis, and the low productive with large eggs and direct development for fluvial land-locked C. Pollux, and C. Nozawae.
3) The fluvial land-locked C. Pollux and C. Nozawae are thought to be speciated from the amphidromous C. Pollux respectively, and the lacustrine land-locked C. Reinii to be derived from C. Hangiongensis. The former mode of speciation might have occurred polypatrically and coincidentally with fluvial land-locking. These suggest that in Cottus species the life-history styles have evolved from the amphidromous life to the lacustrine or fluvial life.
4) Within a population of C. hangiongensis, a life-history variation was found along the course of a river. Such variation is thought to be maintained in relation to the habitat heterogeneity and be magnified in male by the polygynous mating system. Less

Report

(3 results)
  • 1990 Final Research Report Summary
  • 1989 Annual Research Report
  • 1988 Annual Research Report
  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] Andoh,Tadashi: "Biochemical evidence for reproductive isolation between the sympatric populations of Cottus amblystomopsis and C. nozawae in Hokkaido" Japan.J.Ichthyol.35. 184-191 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Goto,Akira: "Growth difference in males of the riverーsculpin Cottus hangiongensis along a river course,a correlate of life history variation" Envir.Biol.Fish.24. 241-249 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Goto,Akira: "Growth patterns,and age and size at maturity of female Cottus hangiongensis,with special reference to their lifeーhistory variation" Japan.J.Ichthyol.36. 90-99 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Goto,Akira: "Effects of parental care on egg survival estimated from an experimental removal of nestーguarding males in the riverーsculpin Cottus amblystomopsis" Japan.J.Ichthyol.36. 281-284 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Goto,Akira: "Alternative lifeーhistory styles of Japanese freshwater sculpins revisited" Envir.Biol.Fish.28. 101-112 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Goto,Akira: "Genetic divergence between the sibling species of the riverーsculpin,Cottus amblystomopsis and C. nozawae,with special reference to speciation" Envir.Biol.Fish.28. 257-266 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 後藤 晃・前川 光司: "魚類の繁殖行動ーその様式と戦略をめぐってー" 東海大学出版会, 201 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Andoh. T, and A. Goto: "Biochemical evidence for reproductive isolation between the sympatric Populations of Cottus amblystomopsis and C. nozawae." Japan. J. Ichthyol.35. 176-183 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] GOTO, A.: "Growth differences in males of the river-sculpin Cottus hangiongensis along a river course, a correlate of life-history Variation." Envir. Biol. Fish.24. 241-249 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] GOTO, A.: "Growth patterns, and age and size at maturity in female Cottus hangiongensis, with special reference to their life-history variation." Japan. J. Ichthyol.36. 90-99 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] GOTO, A.: "Effects of parental care on egg survival estimated from an experimental removal of nest-guarding males in the river sculpin Cottus amblystomopsis." Japan. J. Ichthyol.36. 281-284 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Quinitio, G. F., A. Takemura and A. Goto: "Ovarian development and changes in the serum vitellogenin levels in the river sculpin, Cottus hangiongensis, during an annual reproductive cycle." Bull. Fac. Fish., Hokkaido Univ.40. 246-253 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Goto, A.: "Alternative life-history styles of Japanese freshwater sculpins revisited." Envir. Biol. Fish.28. 101-112 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Goto, A. and T. Andoh: "Genetic divergence between the sibling species of river-sculpin, Cottus amblystomopsis and C. nozawae, with special reference to speciation." Envir. Biol. Fish.28. 257-266 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Andoh,Tadashi: "Biochemical evidence for reproductive isolation between the sympatric polpulations of Cottus amblystomopsis and C. nozawae in Hokkaido." Japan.J.Ichthyol.35. 184-191 (1988)

    • Related Report
      1989 Annual Research Report
  • [Publications] Goto,Akira: "Growth difference in males of the river-sculpin Cottus hangiongensis along a river course,a correlate of life history variation." Environ.Biol.Fish.24. 241-249 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] Goto,Akira: "Individual growth,age at maturity and longevity of females of the river-sculpin,Cottus hangiongensis in the Daitobetsu River,with special reference to their life-history variation." Japan.J.Ichthtyol.36. 90-99 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] Goto,Akira: "Effect of parental care on egg survival estimated from an-experimental removal of nest-guarding males in the river-sculpin,Cottus amblystomopsis." Japan.J.Ichthyol.36. 281-284 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] Goto,Akira: "Genetic divergence between the sibling species of the river-sculpin,Cottus amblystomopsis and C. nozawae,with special reference to their speciation." Environ.Biol.Fish.

    • Related Report
      1989 Annual Research Report
  • [Publications] Goto,Akira: "Alternative life-history styles of Japanese freshwater sculpins revisited." Environ.Biol.Fish.

    • Related Report
      1989 Annual Research Report
  • [Publications] 後藤晃,前川光司: "魚類の繁殖行動-その様式と戦略をめぐって-" 東海大学出版会, 201pp. (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] Andoh,Tadashi: Japan.Jour.Ichthyol.35. 184-191 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Quinitio,G.F.: Jour.Fish.Biol.33. 871-878 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Goto,Akira: Environ.Biol.Fish.

    • Related Report
      1988 Annual Research Report
  • [Publications] Goto,Akira: Environ.Biol.Fish.

    • Related Report
      1988 Annual Research Report
  • [Publications] Goto,Akira: Japan.Jour.Ichthyol.

    • Related Report
      1988 Annual Research Report
  • [Publications] Goto,Akira: Japan.Jour.Ichthyol.

    • Related Report
      1988 Annual Research Report
  • [Publications] Goto,Akira: "Alternative life-histoty styles of Japanese freshwater sculpins revisited." Kluwer Academic Publishers,

    • Related Report
      1988 Annual Research Report
  • [Publications] 後藤晃: 後藤晃: -

    • Related Report
      1988 Annual Research Report

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Published: 1988-04-01   Modified: 2016-04-21  

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