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Keywords: Uca vomeris
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Journal Articles
J Exp Biol (2013) 216 (7): 1219–1224.
Published: 1 April 2013
... the contribution of visual flicker to the predator avoidance response of the fiddler crab Uca vomeris . The results illustrate that crabs let purely black or purely white dummies approach significantly closer than black-and-white flickering dummies. We show that this effect complements other factors that modulate...
Journal Articles
J Exp Biol (2009) 212 (21): 3522–3532.
Published: 1 November 2009
... – in the compound eye of the fiddler crab Uca vomeris . Using an in vivo pseudopupil method we determined sizes and viewing directions of ommatidia and created a complete eye map of optical and sampling resolution across the visual field. Our results reveal five distinct eye regions (ventral, dorsal,frontal...
Journal Articles
J Exp Biol (2003) 206 (22): 3935–3950.
Published: 15 November 2003
... and the failure of identifying a competitor could be very costly. How does an animal decide whether another animal is or is not a threat to a resource or a territory? Fiddler crabs [ Uca vomeris (McNeill)] operate from burrows that they guard and defend vigorously against other crabs. The crabs live in dense...
Journal Articles
J Exp Biol (2003) 206 (22): 3951–3961.
Published: 15 November 2003
...Jan M. Hemmi; J. Zeil SUMMARY Using crab-like dummies, we have shown previously that fiddler crabs[ Uca vomeris (McNeill)] defend their burrows against intruders in a burrow-centred frame of reference. The crabs respond whenever an intruder approaches to within a certain distance of the burrow...
Journal Articles
J Exp Biol (2001) 204 (14): 2561–2569.
Published: 15 July 2001
... visual field, below the local visual horizon, and against the mudflat surface as background. We filmed events in a colony of Uca vomeris with a normal video camera and an ultraviolet-sensitive camera placed at the eye height of an average crab, approximately 2–3cm above ground. We also used...