Please use this identifier to cite or link to this item: https://doi.org/10.1163/156853903322370652
Title: Influence of background and prey orientation on an ambushing predator's decisions
Authors: Li, D. 
Jackson, R.R.
Lim, M.L.M. 
Keywords: Jumping spiders
Phaeacius
Predation
Prey-choice decisions
Salticidae
Vision
Issue Date: 1-Jun-2003
Citation: Li, D., Jackson, R.R., Lim, M.L.M. (2003-06-01). Influence of background and prey orientation on an ambushing predator's decisions. Behaviour 140 (6) : 739-764. ScholarBank@NUS Repository. https://doi.org/10.1163/156853903322370652
Abstract: Phaeacius, a sit-and-wait jumping spider, is shown to base predatory decisions on simultaneous use of information about whether the background is matching or contrasting, whether or not the prey has good eyesight and whether the prey is oriented face on or facing away. In prey-choice testing in which mounts (dead prey in lifelike posture on a cork) were used, background and prey orientation influenced Phaeacius' behaviour specifically when a salticid came into view, salticids being prey with exceptionally good eyesight. When the prey was a non-salticid spider or an insect, Phaeacius' behaviour did not vary significantly with background or with prey orientation. In prey-reaction experiments, background and orientation influenced prey behaviour when the prey was a salticid, but not when it was a non-salticid spider or an insect. Phaeacius evidently takes special precautions to minimize the risk of being seen by a prey that has exceptional eyesight.
Source Title: Behaviour
URI: http://scholarbank.nus.edu.sg/handle/10635/100925
ISSN: 00057959
DOI: 10.1163/156853903322370652
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