背景颜色匹配会影响非洲鱼的性行为,生长和死亡率
Travis I Moore1, William G Bright1, William E Bell1
1Department of Biology, Central Michigan University, 4105 Biosciences Building, Mount Pleasant, MI 48859, United States.
概括
现型可塑性使得类动物能够根据环境改变颜色. 背景颜色影响性成熟,繁殖,生长和生存等特征,影响这种适应的进化.
科学领域:
- * 进化生物学 进化生物学
- * 行为生态学
- * 动物生理学动物生理学
背景情况:
- * 现型可塑性使生物能够根据环境变化调整特征.
- *由于遗传或发育联系,环境诱导的特征变化可能对身体健康产生相关影响.
- *了解这些相关反应对于预测可塑性演变至关重要.
研究的目的:
- * 调查背景颜色如何影响非洲鱼 (Astatotilapia burtoni) 的与健身有关的特征.
- * 为了确定环境诱导的鱼颜色变化是否会导致其他生命历史特征的权衡或利益.
主要方法:
- * 年轻的 *A. burtoni* 在蓝色或黄色的水箱里养成年.
- * 记录了雄性和雌性颜色的采用,性成熟,繁殖发生,生长率和生存率.
- *随着时间的推移,评估了背景颜色匹配程度.
主要成果:
- *虫采用了与其背景颜色相匹配的表型,尽管这种匹配随着年龄的增长而减少.
- *在蓝色水箱中养的雄性比在黄色水箱中养的雄性更早地呈现出性成熟.
- * 黄色中的雌性比蓝色中的雌性繁殖率更高.
- * 蓝色水箱中的鱼类的生长有所减少,但与黄色水箱中的鱼类相比,它们的生存率有所增加.
结论:
- *背景颜色显著影响A. burtoni*中关键的与健身相关的特征.
- *这些相关的反应表明,背景颜色可以施加约束或提供影响表型可塑性演化的好处.
- *这项研究突出了多态物种环境线索,塑性特征和整体健康之间的复杂相互作用.
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