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6 December 2023 Predation behavior as an indicator of jumping spider vision
Jan Raška
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Jumping spiders (Araneae: Salticidae) possess a visual system that is exceptional among arthropods, mainly due to its unmatched acuity. Although vision of these spiders has been studied for decades, some of its main aspects remain unclear. One such aspect is the light spectrum visible to salticids, which is surprisingly heterogenous and involves various underlying physiological mechanisms. The results of the behavioral experiments with the regal jumping spider (Phidippus regius) presented in this study provide evidence that these vision-dependent spiders are able to capture their prey even under red (longwave) light, which is usually not perceived by spiders. Broader use of this experimental design in studies of spider vision is discussed.

Jan Raška "Predation behavior as an indicator of jumping spider vision," The Journal of Arachnology 51(3), 251-254, (6 December 2023).
Received: 13 March 2022; Accepted: 14 November 2022; Published: 6 December 2023
Phidippus regius
red light
visible spectrum
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