AbstractJapanese tree frogs (Hyla japonica) were flown to the space station MIR and spent eight days in orbit during December, 1990/1/. Under microgravity, their postures and behaviors were observed and recorded. On the MIR, floating frogs stretched four legs out, bent their bodies backward and expanded their abdomens. Frogs on a surface often bent their neck backward and walked backwards. This behavior was observed on parabolic flights and resembles the retching behavior of sick frogs on land- a possible indicator of motion sickness. Observations on MIR were carried out twice to investigate the frog's adaptation to space. The frequency of failure in landing after a jump decreased in the second observation period. After the frogs returned to earth, readaptation processes were observed. The frogs behaved normally as early as 2.5 hours after landing.


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    Title :

    Behavior of Japanese tree frogs under microgravity on MIR and in parabolic flight


    Contributors:
    Izumi-Kurotani, A. (author) / Yamashita, M. (author) / Kawasaki, Y. (author) / Kurotani, T. (author) / Mogami, Y. (author) / Okuno, M. (author) / Oketa, A. (author) / Shiraishi, A. (author) / Ueda, K. (author) / Wassersug, R.J. (author)

    Published in:

    Advances in Space Research ; 14 , 8 ; 419-422


    Publication date :

    1994-01-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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