The divergence of mobility and activity associated with anti-predator adaptations in land snails

IF 1.2 4区 生物学 Q4 BEHAVIORAL SCIENCES Behaviour Pub Date : 2023-10-30 DOI:10.1163/1568539x-bja10249
Yuta Morii, Ryota Kimura, Rion Sato, Nana Shiobara, Honoka Maeda, Kaede Nakagawa, Ririka Ito, Reiichi Ueki
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Abstract

Abstract The extreme divergence of phenotypes between two closely related terrestrial gastropods, Karaftohelix editha and K. gainesi (Camaenidae, Stylommatophora), has been suggested as a result of anti-predator adaptations because K. editha and K. gainesi showed shy and bold anti-predator behaviours, respectively. In this study, we measured the crawling speeds in the laboratory and the exploration (the crawled distances during every 6 h) and the activity (the active/inactive statuses) in the field for each species. As a result, K. gainesi crawled faster under ordinary conditions and moreover upregulated its crawling speed 1.21–1.28 times after the stimulus. The activity pattern of K. editha was typical of nocturnal species, but K. gainesi remained active even under daylight. These results might suggest that K. editha and K. gainesi were deemed as shy/inactive and bold/active species, respectively, and that behavioural syndromes existed between shyness–boldness and activity personalities.
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陆地蜗牛反捕食者适应性的迁移和活动分化
摘要两种近缘陆生腹足动物(Camaenidae, stylommatophhora)卡拉托螺旋埃迪塔(Karaftohelix editha)和甘奈西(K. gainesi)之间的表型差异很大,这可能是由于抗捕食者适应的结果,因为埃迪塔和甘奈西分别表现出害羞和大胆的抗捕食者行为。在这项研究中,我们测量了每个物种在实验室的爬行速度和探索(每6小时爬行距离)和活动(活跃/不活跃状态)。结果表明,在正常条件下,甘菊的爬行速度更快,刺激后其爬行速度上调1.21-1.28倍。伊迪沙的活动模式是典型的夜间活动,而甘菊在白天也保持活跃。这些结果可能表明,伊迪塔和盖尼西分别被认为是害羞/不活跃和大胆/活跃的物种,并且在害羞-大胆和活动人格之间存在行为综合征。
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来源期刊
Behaviour
Behaviour 生物-动物学
CiteScore
1.80
自引率
7.70%
发文量
44
审稿时长
3 months
期刊介绍: Behaviour is interested in all aspects of animal (including human) behaviour, from ecology and physiology to learning, cognition, and neuroscience. Evolutionary approaches, which concern themselves with the advantages of behaviour or capacities for the organism and its reproduction, receive much attention both at a theoretical level and as it relates to specific behavior.
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