石斑鱼种在种间相互作用和游泳过程中的动态颜色变化。

IF 2.5 3区 环境科学与生态学 Q2 BEHAVIORAL SCIENCES
Behavioral Ecology Pub Date : 2025-01-20 eCollection Date: 2025-03-01 DOI:10.1093/beheco/araf005
Sagi Marom, Moshe Kiflawi, Derya Akkaynak, Roi Holzman
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引用次数: 0

摘要

动物可以通过改变身体颜色来实现各种生态功能。在鱼类中,快速动态的颜色变化主要是在种内交流和伪装的环境中被发现的,而在种间环境中的例子则很少见。本文研究了在红海原生珊瑚礁环境中斑马鱼(Variola louti)的动态颜色变化及其相关行为。使用水下视频记录自然行为和颜色校准的静态图像来测量身体颜色,我们将颜色显示量化为身体的亮度和三种不同模式的对比度:身体斑块,头部条纹和侧面条纹。V. louti表现出多种多样的模式显示,这些模式显示根据其行为变化而迅速变化。当海鳗进行激烈的种间相互作用时,观察到高对比度的头条纹图案,但有趣的是,当单独或与海鳗合作狩猎时,没有出现这种图案。鱼体颜色的亮度、体斑和侧纹的对比与鱼的游动行为有关。当鱼停留在底部时,表现出较暗的身体颜色和高对比度的身体斑块和侧条纹,而当鱼游到高于珊瑚礁的地方时,表现出明亮和均匀的身体颜色。我们的研究结果表明,在竞争和竞争的种间相互作用中,紫花苜蓿利用动态颜色显示进行伪装和种间交流。这些发现强调了动态颜色变化对交流的重要性,并为动物的行为生态学提供了有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dynamic color change in the grouper Variola louti during interspecific interactions and swimming.

Animals can change their body color for various ecological functions. In fish, rapid dynamic color change is primarily known in contexts of intraspecific communication and camouflage, while examples in interspecific contexts are rare. We studied dynamic color changes and their associated behaviors in the grouper Variola louti in its native coral reef environment in the Red Sea. Using underwater videos to record natural behaviors and color-calibrated still images to measure body colors, we quantified color displays as the brightness of the body and the contrast of three distinct patterns: body patches, head stripe, and side bars. V. louti exhibited a diverse range of pattern displays, which rapidly transformed according to its behavioral shifts. A high-contrast head stripe pattern was observed when V. louti engaged in agonistic interspecific interactions, but was interestingly absent when hunting alone or in cooperation with moray eels. The brightness of V. louti's body color and the contrasts of the body patches and side bars were associated with its swimming behavior. Darker body colors and high contrast body patches and side bars were expressed when the fish rested on the bottom, whereas bright and uniform body colors were displayed when swimming higher above the reef. Our results suggest that V. louti utilizes dynamic color displays for camouflage and interspecific communication in agonistic and competitive interspecific interactions. These findings highlight the importance of dynamic color changes for communication and provide valuable insights into the behavioral ecology of animals.

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来源期刊
Behavioral Ecology
Behavioral Ecology 环境科学-动物学
CiteScore
5.20
自引率
8.30%
发文量
93
审稿时长
3.0 months
期刊介绍: Studies on the whole range of behaving organisms, including plants, invertebrates, vertebrates, and humans, are included. Behavioral Ecology construes the field in its broadest sense to include 1) the use of ecological and evolutionary processes to explain the occurrence and adaptive significance of behavior patterns; 2) the use of behavioral processes to predict ecological patterns, and 3) empirical, comparative analyses relating behavior to the environment in which it occurs.
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