Female mimicry in a freshwater goby Rhinogobius sp OR

被引：4
|
作者：
Okuda, N
Ito, S
Iwao, H
机构：
[1] Ehime Univ, Ctr Marine Environm Studies, Matsuyama, Ehime 7908577, Japan
[2] Ehime Univ, Dept Biol & Earth Sci, Matsuyama, Ehime 7908577, Japan
来源：
ICHTHYOLOGICAL RESEARCH | 2003年 / 50卷 / 02期
关键词：
alternative reproductive tactics; Gobiidae; nest availability; Rhinogobius; sneaking;
D O I：
10.1007/s10228-002-0154-2
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
We found female-mimic males in a freshwater goby, Rhinogobias sp. OR, from Kamo River, Ehime, Japan. Of 171 adult males collected, three had a female appearace. A discriminant analysis showed that they had a spectrum of morphology from a wholly female morph, through a neutral morph, to a somewhat malelike morph. These three males made an extremely higher gametic investment than did the normal males, suggesting that they have the potential for sneaking fertilizations. Among Rhinogobius species, female mimicry might be more common than previously known.
引用
收藏
页码：198 / 200
页数：3
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