Mosquitofish Morph Lateralization

This is the data for the manuscript "Color morphs of the Eastern Mosquitofish (Gambusia holbrooki) differ in visual lateralization." This original data set aims to explore if a difference in lateralization between the common silver morph and rare spotted morph of the Eastern Mosquitofish. To do so, the fish were exposed to a simulated heron strike via a 3-D printed model of a Tricolored Heron beak, our "Heron Harpoon," and eye use was recorded during lateral inspection of the affected area. Fish were tested as individuals, in monomorphic groups of 5, heteromorphic groups of 5, and finally as individuals for consistency. Overall, mottled males displayed strongly lateralized left eye use where silver males displayed mixed lateralization across all treatments. When checked for shoal turning cohesion, individual fish did not appear to modify their behavior to follow the group.本数据集配套于研究手稿《东部食蚊鱼（Gambusia holbrooki）的色型差异与视觉偏侧化》。本原始数据集旨在探究东部食蚊鱼的常见银色色型（silver morph）与稀有斑点色型（spotted morph）在视觉偏侧化（visual lateralization）方面是否存在差异。为此，研究人员借助3D打印的三色鹭喙模型（本研究将其命名为“鹭矛（Heron Harpoon）”）向受试鱼模拟鹭鸟袭击场景，并记录受试鱼在侧视受袭区域时的眼部使用情况。受试鱼先后接受四类测试范式：单独个体测试、5尾同色型个体组成的单态群体测试、5尾异色型个体组成的异态群体测试，最终再次开展单独个体测试以验证行为一致性。整体而言，斑点色型雄性个体表现出显著的左眼偏侧使用偏好，而银色雄性个体在所有测试处理中均呈现出混合的偏侧化模式。在对鱼群转向协调性（shoal turning cohesion）进行检测时，单独受试个体并未表现出调整自身行为以跟随鱼群的现象。