安徽农学通报 >
2025 , Vol. 31 >Issue 11: 86 - 90
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.11.019
混合群体模式下许氏平鲉幼鱼学习记忆能力研究
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赵雅楠(1999—),女,辽宁大连人,硕士研究生,从事鱼类行为研究。 |
Copy editor: 胡立萍
收稿日期: 2025-04-08
网络出版日期: 2025-06-16
基金资助
大连市科技创新基金(2021JJ11CG001)
Investigation on the learning and memory abilities of juvenile sebastes schlegelii in a mixed population model
Received date: 2025-04-08
Online published: 2025-06-16
为研究混合群体模式对鱼类学习记忆能力的影响,本文以许氏平鲉幼鱼(大规格A,小规格B)作为试验对象,通过双层方形迷宫试验装置,设置6组异质训练,每组5只鱼(未训练鱼: 训练鱼分别为0: 5、1: 4、2: 3、3: 2、4: 1和5: 0),测定鱼类到达食物奖励端的完成时间和选择正确率。结果表明,不同训练比及未训练鱼数量对任务完成时间和选择正确率有明显影响。任务完成时间方面,异质训练组A和B,0: 5组任务完成时间比5: 0组分别减少了242.8 、238.8 s,5条未训练鱼比0条未训练鱼的任务完成时间分别减少104.6、106.6 s;选择正确率方面,异质训练组A和B,0: 5组选择正确率比5: 0组分别提高了68个百分点、58个百分点,5条未训练鱼比0条未训练鱼的选择正确率均提高了52个百分点。说明许氏平鲉幼鱼在异质训练组间有良好的空间学习与记忆能力,试验结果为综合评价群体不同个体间学习行为影响、了解群体学习行为过程提供参考。
赵雅楠 , 岳跃 . 混合群体模式下许氏平鲉幼鱼学习记忆能力研究[J]. 安徽农学通报, 2025 , 31(11) : 86 -90 . DOI: 10.16377/j.cnki.issn1007-7731.2025.11.019
To investigate the effects of mixed population model on fish learning and memory abilities, this study employed juvenile Sebastes schlegelii of two size categories (large size A and small size B) as experimental subjects. Using a double-layer square maze apparatus, six heterogeneous training groups with varying ratios of untrained to trained fish were established(0: 5, 1: 4, 2: 3, 3: 2, 4: 1, and 5: 0), the completion time and the selection accuracy rate were measured. The results indicated that both the training ratio and the number of untrained fish significantly affected task completion time and selection accuracy. In heterogeneous groups A and B, the 0: 5 group task completion time showed reductions of 242.8 s and 238.8 s respectively compared to the 5: 0 group, while groups containing five untrained fish required 104.6 s and 106.6 s less time respectively than those with zero untrained fish. Regarding selection accuracy, the 0: 5 group exhibited increases of 68 and 58 percentage points respectively over the 5: 0 group, with groups containing five untrained fish showing a consistent 52 percentage point improvement in accuracy compared to groups with zero untrained fish. These findings indicate that juvenile sebastes schlegelii possess robust spatial learning and memory abilities within heterogeneous training groups. The experimental results provide valuable references for comprehensively evaluating the influence of inter-individual learning behaviors within groups and enhancing our understanding of social learning processes in fish populations.
Key words: Sebastes schlegelii; mixed population; learning behavior; memory abilities
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