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Fig. 6 | Frontiers in Zoology

Fig. 6

From: Crown-of-thorns starfish have true image forming vision

Fig. 6

Behavioural results: black circle on a white background. a-e Starfish were attracted to circles with initial angular sizes of 14° or larger. All stimuli were attached to a Plexiglas sheet using Velcro, and the entire sheet was placed in the behavioural arena. f Starfish where not attracted to the control stimulus, the Plexiglas sheet alone, without stimulus patterns. For more details on the circular plots see caption of Fig. 2. A summary of the circular statistics is given in Table 1

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