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Figures
- Fig. 1.
Prey choices of test spiders. (A) Percentage of test spiders that responded during prey-choice tests at each light level. (B) Prey choices made by test spiders that responded. N values are shown within each bar in A and B; data for B are based on the black area in A. Ca: Cyrba algerina. Co: Cyrba ocellata.
- Fig. 2.
Percentage of test spiders that responded during mirror rival-identification tests at each light level. A response was recorded when a spider adopted a threat display while its gaze was fixated on the mirror. Ca: Cyrba algerina. Co: Cyrba ocellata. N is shown within each bar.
- Fig. 3.
Pre-prey-choice fixation of gaze on lures by spiders at different light levels. Data for C. algerina (white) and C. ocellata (gray) are medians, with 25th and 75th percentiles; whiskers indicate minimum and maximum. (A) Distance at which test spiders fixated their gaze on the lures and then, without breaking fixation, chose a lure. (B) Time elapsed between fixating their gaze on the lures and, without breaking fixation, choosing a lure. N is shown in A.
- Fig. 4.
Responses of spiders to a mirror image at different light levels. Data are means±s.e.m. for C. algerina (circles) and C. ocellata (squares). (A) Virtual distance from the mirror image at which spiders first displayed. (B) Time elapsed between the test spider fixating its gaze on its mirror image and then, without breaking fixation, initiating display. (C) Virtual distance (2× distance) at which the test spider first fixated its gaze on its mirror image and then, without breaking fixation, performed a threat display. N is shown above the x-axis in A.
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