Nest site use by two freshwater Rhinogobius gobies inhabiting Lake Biwa in Japan
Nest site use by two freshwater Rhinogobius gobies inhabiting Lake Biwa in Japan
复制标题
栖息在日本琵琶湖的两只淡水犀牛虾虎鱼的巢穴使用情况
DOI：
10.1007/s10228-013-0336-0
复制
发表时间：
2013
影响因子：
1.2
通讯作者：
Daisuke Takahashi
中科院分区：
文献类型：
--
作者：
Masami Hasegawa;Takeo Kuriyama (Toho University);Matthew C. Brandley (University of Sydney);Gaku Takimoto (Toho University);Daisuke Takahashi
在日本的琵琶湖，两种淡水虾虎鱼（Rhinogobiuskurodai和Rhinogobiussp.）BW，发现在同域和男性父母的照顾，进行了调查。黑大犀的巢石底面面积大于吻虎鱼。BW.在这两个物种有一个显着的关系，保卫男性的身体大小和巢石底面面积。黑吻鰕虎鱼的雌鱼产卵量和卵块面积均大于吻虎鱼。BW.这些结果表明，这种分离在下面的区域的巢石可能是由于这些物种之间的女性生殖力的差异，而不是种间竞争的大巢址。
In Lake Biwa, Japan, nest site use by two freshwater gobies,RhinogobiuskurodaiandRhinogobiussp. BW, found in sympatry and with male parental care, was investigated. The underside area of nest stones inR.kurodaiwas larger than inRhinogobiussp. BW. In neither species was there a significant relationship between body size of guarding males and underside area of nest stones. Female fecundity and egg mass area inR.kurodainests were larger than inRhinogobiussp. BW. These results suggest that this segregation in underside area of nest stones might result from the difference in female fecundity between these species, rather than interspecific competition over large nest sites.