Rapid response to changing light environments of the calanoid copepod Calanus sinicus

T. Yoshida, T. Toda, V. Kuwahara, S. Taguchi, B. H R Othman

    Research output: Contribution to journalArticle

    17 Citations (Scopus)

    Abstract

    Calanus sinicus is a large calanoid copepod and a dominant species in the coastal waters of Japan. During a research cruise in Sagami Bay on 18 June 1996, we found C. sinicus performing an "unusual" diel vertical migration (DVM), a behavior that has not been reported in previous studies on this species. This study examined the DVM of C.sinicus under different light environments and revealed the copepod's characteristic response to light. Field and laboratory results show that the DVM of C.sinicus is flexible and also confirmed its sensitivity and its rapid response to changing light environments. It is suggested that C. sinicus reacts to changes in absolute light intensity. This feature may be common in oceanic copepod species. The copepod's quick reaction to light variation provides decreased predation risks and increased feeding opportunities, which make them a dominant survivor in coastal water habitats.

    Original languageEnglish
    Pages (from-to)505-513
    Number of pages9
    JournalMarine Biology
    Volume145
    Issue number3
    DOIs
    Publication statusPublished - Sep 2004

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    Calanus
    Copepoda
    vertical migration
    coastal water
    predation risk
    migratory behavior
    light intensity
    predation
    Japan
    habitat
    habitats

    ASJC Scopus subject areas

    • Aquatic Science

    Cite this

    Yoshida, T., Toda, T., Kuwahara, V., Taguchi, S., & Othman, B. H. R. (2004). Rapid response to changing light environments of the calanoid copepod Calanus sinicus. Marine Biology, 145(3), 505-513. https://doi.org/10.1007/s00227-004-1343-5

    Rapid response to changing light environments of the calanoid copepod Calanus sinicus. / Yoshida, T.; Toda, T.; Kuwahara, V.; Taguchi, S.; Othman, B. H R.

    In: Marine Biology, Vol. 145, No. 3, 09.2004, p. 505-513.

    Research output: Contribution to journalArticle

    Yoshida, T, Toda, T, Kuwahara, V, Taguchi, S & Othman, BHR 2004, 'Rapid response to changing light environments of the calanoid copepod Calanus sinicus', Marine Biology, vol. 145, no. 3, pp. 505-513. https://doi.org/10.1007/s00227-004-1343-5
    Yoshida, T. ; Toda, T. ; Kuwahara, V. ; Taguchi, S. ; Othman, B. H R. / Rapid response to changing light environments of the calanoid copepod Calanus sinicus. In: Marine Biology. 2004 ; Vol. 145, No. 3. pp. 505-513.
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