The Strategy of Predator Evasion in Response to a Visual Looming Stimulus in Zebrafish (Danio rerio).

ABSTRACT: A diversity of animals survive encounters with predators by escaping from a looming visual stimulus. Despite the importance of this behavior, it is generally unclear how visual cues facilitate a prey's survival from predation. Therefore, the aim of this study was to understand how the visual angle subtended on the eye of the prey by the predator affects the distance of adult zebrafish (Danio rerio) from predators. We performed experiments to measure the threshold visual angle and mathematically modeled the kinematics of predator and prey. We analyzed the responses to the artificial stimulus with a novel approach that calculated relationships between hypothetical values for a threshold-stimulus angle and the latency between stimulus and response. These relationships were verified aga

SUBMITTER: McKee A 

PROVIDER: S-EPMC7750966 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature