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个体和群体对营养状况和环境的行为反应在社会鱼中

Ling-Qing Zeng¹, Hong Ling², Shi-Jian Fu¹

¹Laboratory of Evolutionary Physiology and Behavior, College of Life Sciences, Chongqing Normal University, Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission, Chongqing 401331, China.

Behavioural processes

|June 15, 2024

概括

营养状况显著影响鱼群聚集行为. 禁食和消化影响群体凝聚力和食效率,而环境的影响最小.

科学领域:

动物行为动物行为
鱼类生物学鱼类生物学
集体动态的集体动态

背景情况:

了解动物的集体行为在生物学中至关重要.
鱼群研究往往忽视了生理状态的影响.
营养状况对集体行为的影响仍未得到充分研究.

研究的目的:

调查营养状况如何影响常见小鱼的群行为.
检查禁食和消化对群体动态的影响.
评估生态环境 (粮食可用性) 对鱼的作用.

主要方法:

常见的小鱼 (Phoxinus phoxinus) 被分配到三个营养状态:控制 (24小时快速),禁食 (7天) 和消化 (1小时后食).
在两个背景下观察到冲浪行为:食物的缺席和存在.
分析了关键的行为指标,包括游泳速度,加速,个人间距离,群体形状和食效率.

主要成果:

营养状况影响了加速,消化组显示的值高于对照组.
禁食和消化状态对群体凝聚力 (个人间和最近邻居之间的距离) 产生了相反的影响.
与消化组相比,禁食组和对照组的食效率和食物消耗率更高.

结论:

营养状况,特别是长时间的禁食和活跃的消化,会影响鱼群聚集行为和群体凝聚力.
生态环境 (粮食可用性) 并没有显著改变个人或群体的行为.
研究结果强调了饥饿和消化对鱼类集体动态的明显影响.

关键词:

集体行为集体行为集团调整对齐集团调整对齐集团的个性集团的个性营养状态营养状态社会性社会性是指社会性.

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