Female Spawning Migrations of the Protogynous Wrasse, Halichoeres marginatus.
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- Shibuno Takuro
- Faculty of Applied Biological Science, Hiroshima University
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- Gushima Kenji
- Faculty of Applied Biological Science, Hiroshima University
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- Kakuda Shunpei
- Faculty of Applied Biological Science, Hiroshima University
Bibliographic Information
- Other Title
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- 雌性先熟のカノコベラにおける雌の産卵移動
Abstract
Spawning sites and spawning migration paths of tagged females of the protogynous wrasse, Halichoeres marginatus, were studied on the shallow reefs at Kuchierabu-jima Island, Japan. Males set up mating territories above prominent rocks on the offshore reef slope in the late afternoon, and pair-spawned with females, which had migrated there from their home ranges located in inshore areas. Small females migrated to the spawning sites near their home ranges, whereas large females migrated to various spawning sites located within a wide area, including downcurrent sites. Spawning at the downcurrent sites favors transport of eggs offshore, thereby increasing the female's fitness. The spawning sites where an individual had spawned as a female were subsequently used for mating after it had changed sex. It is suggested that the wide migration of females to various spawning sites, enables the storing up of information on those sites, which later helps in the acquisition of mating territories after changing sex.
Journal
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- Japanese Journal of Ichthyology
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Japanese Journal of Ichthyology 39 (4), 357-362, 1993
The Ichthyological Society of Japan
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Details 詳細情報について
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- CRID
- 1390282679739610368
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- NII Article ID
- 130004019122
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- ISSN
- 18847374
- 00215090
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- Text Lang
- en
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed