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Lunar cycle in the reproductive activity in the forktail rabbitfish

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Abstract

Histological observations of the gonads of Siganus argenteus showed that gametes developed toward the last quarter moon from May to July. Weekly changes in plasma steroid hormones were correlated closely with gonadal development. Human chorionic gonadotropin (hCG) stimulated in vitro production of steroid hormones at the specific lunar phase. These results suggest that the concomitant physiological events in the gonads strictly changes with the lunar cycle.

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References

  • Rahman, M.S. 2001. Physiological studies on lunar reproductive rhythms in rabbitfishes. Ph.D. Thesis, Department of Marine and Environmental Sciences, University of the Ryukyus, Japan.

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Authors and Affiliations

  1. Sesoko Station, Tropical Biosphere Research Center, University of the Ryukyus, 3422 Sesoko, Motobu, Okinawa, 905-0227, Japan

    M.S. Rahman, A. Takemura, Y.J. Park & K. Takano

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  1. M.S. Rahman
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  2. A. Takemura
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  3. Y.J. Park
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  4. K. Takano
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Rahman, M., Takemura, A., Park, Y. et al. Lunar cycle in the reproductive activity in the forktail rabbitfish. Fish Physiology and Biochemistry 28, 443–444 (2003). https://doi.org/10.1023/B:FISH.0000030623.49948.3c

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  • DOI: https://doi.org/10.1023/B:FISH.0000030623.49948.3c

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