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Analysis of the agonistic behaviour and behaviour pattern of Portunus trituberculatus
Aquaculture Research ( IF 1.9 ) Pub Date : 2021-01-05 , DOI: 10.1111/are.15075
Bo Wu 1 , Chunpu Zhao 1 , Zitao Xiong 1 , Changkao Mu 1 , Shanliang Xu 1, 2 , Danli Wang 1
Affiliation  

To analyse the agonistic behaviour of Portunus trituberculatus, infrared cameras were used to quantitatively analyse the aggressive behaviour in response to different sex pairings and culture densities and mirror‐image stimulation. The results show that: P. trituberculatus has nine behaviour patterns which were correlated, and the fighting process followed a specific, rather than random, process. All nine behaviour patterns were stimulated in response to different sex pairings and culture densities, but only five patterns were induced by mirror‐image stimulation. The fighting intensity between the males was significantly higher than that between the females and male and female (p < 0.05). The fight intensity in the 8 crabs/m2 density group was significantly higher than the 4 crabs/m2 and 6 crabs/m2 groups (p < 0.05). The fighting experience had a significant impact on the subsequent fight. The probability of the winner winning again was 83.3%, whereas that of the loser winning again was only 25.0%. In the second round of fighting, the fight intensity of the loser was also significantly lower than those of the winner (p < 0.05). Thus, the fighting process of P. trituberculatus follows a certain regularity, and different sex pairings and culture densities have a significant impact on fighting intensity. Fighting experience also has a significant impact on subsequent agonistic behaviour, with a winner–loser effect.

中文翻译:

三疣梭子蟹的激动行为和行为模式分析。

为了分析三疣梭子蟹的激动行为,使用红外热像仪定量分析了不同性别配对,培养密度和镜像刺激下的攻击行为。结果表明:P trituberculatus具有九种相关的行为模式,而战斗过程遵循特定而非随机的过程。响应不同性别配对和文化密度,会刺激所有九种行为模式,但只有五种模式是通过镜像刺激诱发的。男性之间的战斗强度显着高于女性与男性和女性之间的战斗强度(p  <0.05)。8只螃蟹/米的战斗强度2密度组比4名蟹/米显著更高2只6螃蟹/米2组(p  <0.05)。战斗经历对随后的战斗产生了重大影响。获胜者再次获胜的概率为83.3%,而失败者再次获胜的概率仅为25.0%。在第二轮战斗中,失败者的战斗强度也显着低于胜利者(p  <0.05)。因此,P的战斗过程。 三角管遵循一定的规律,不同的性别配对和文化密度对战斗强度有重大影响。战斗经验还会对随后的激动行为产生重大影响,并会产生赢家-输家效应。
更新日期:2021-01-05
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