Abstract
The diel rhythm of juvenile emergence from host mussels in the Japanese rosy bitterling, Rhodeus ocellatus kurumeus, was investigated in a small pond in Osaka prefecture, Japan. The emergence of juvenile bitterling from host mussels occurred principally at night, with a peak in the early part of the night. The pattern of juvenile bitterling emergence was discussed in the context of an adaptive response to diurnal predation.
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Acknowledgments
We are grateful to S. Kitagishi and E. Tanaka (Higashi Osaka City) for providing us access to the field site. We also thank Prof. I. Maki, Dr. T. Kondo, and the other members of the Biology Laboratory of Osaka Kyoiku University and the Department of Animal Ecology of Kyoto University for their useful advice. We also thank Dr. C. Smith (Department of Biology, University of Leicester) for his useful suggestions and assistance with English in the manuscript.
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Kitamura, Ji., Inoue, T. & Nagata, Y. Timing of juvenile emergence from host mussels in the Japanese rosy bitterling, Rhodeus ocellatus kurumeus . Ichthyol Res 55, 386–388 (2008). https://doi.org/10.1007/s10228-008-0043-4
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DOI: https://doi.org/10.1007/s10228-008-0043-4