叉尾斗鱼幼鱼空间学习能力探究
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国家自然科学基金青年科学基金项目(No.31300341);重庆市自然科学基金面上项目(No.cstc2021jcyj-msxmX0124);重庆市教育委员会科学技术研究计划项目青年项目(No.KJQN202000539)


The Spatial Learning Ability of Macropodus opercularis
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    摘要:

    为探究叉尾斗鱼(Macropodus opercularis)的空间学习能力,以体型大小相近且健康状况良好的15尾叉尾斗鱼幼鱼为实验对象,在有路标作为可视线索的十字形迷宫中进行空间学习训练,每尾实验鱼每日中午和夜晚各训练1次为1个周期,连续训练15个周期,累计训练30次;通过比较实验鱼在空间学习训练前后的学习效果和运动特征差异来确定该鱼种的空间学习能力,并探究在此过程中它的运动特征变化。结果显示:随着空间学习训练次数的增加,叉尾斗鱼的正确率与训练次数呈统计学意义上的正相关(p<0.05),觅食时间和折返次数与训练次数均呈统计学意义上的负相关(p<0.05);但叉尾斗鱼在空间学习训练过程中的个体游泳速度、个体游泳加速度、运动时间比等运动特征参数并没有明显变化。研究结果提示叉尾斗鱼具有一定的空间学习能力,能够建立路标与食物奖赏间的联系,且在学习过程中的运动特征无明显改变。

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    Fifteen juvenile of Macropodus opercularis of uniform size and optimal health were utilized as experimental subjects to investigate their spatial learning capabilities. The experiment was conducted in a cross-shaped maze with road signs as visual cues, where each experimental fish underwent continuous training for 15 cycles, with one training session at noon and one at night each day, totaling 30 training sessions. To determine the spatial learning ability of M. opercularis by comparing the differences in learning outcomes and movement characteristics before and after spatial learning training, and to explore the changes in its locomotor characteristics during this process.Results indicated a significantly positive correlation between the number of training sessions and percentage correct of M. opercularis (p<0.05), while foraging time and the number of reversal exhibited significantly negative correlations with the number of training sessions (p<0.05). The individual swimming speed, individual swimming acceleration, percent time spent on moving, and other motion characteristic parameters of M. opercularis did not change significantly before and after training. The research results indicate that M. opercularis possesses a certain capacity for spatial learning, can establish the connection between food and visual landmarks, and there are no changes significantly in locomotor characteristics during the learning process.

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龚雅星,李武新,许天琦,曾令清.叉尾斗鱼幼鱼空间学习能力探究[J].重庆师范大学学报自然科学版,2025,42(1):52-59

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  • 在线发布日期: 2025-04-07