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Response of fiddler crabs (Uca tangeri) to video playback in the field

Response of fiddler crabs (Uca tangeri) to video playback in the field The fiddler crab Uca tangeri communicates using a visual waving display and a vibratory drumming signal, both thought to function in mate attraction. Using video playback techniques, images of an empty mudflat, a waving male, a threatening male, and a wandering female were presented to male subjects. All stimuli elicited similar levels of low-intensity waving, but significantly more high-intensity waves were elicited by the female and threatening male stimuli than the mudflat stimulus or the waving male stimulus. This concurs with other research that the waving display is used at a higher intensity to attract females. The threatening male stimulus failed to elicit the same response as an actual threatening male and we discuss the likely reasons for this. The subjects also spent a significantly greater proportion of time drumming during the male waving stimulus than during the female stimulus, suggesting that drumming functions in male-male competition as well as female attraction. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png acta ethologica Springer Journals

Response of fiddler crabs (Uca tangeri) to video playback in the field

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Publisher
Springer Journals
Copyright
Copyright © 2000 by Springer-Verlag and ISPA
Subject
Life Sciences; Behavioral Sciences; Zoology; Evolutionary Biology
ISSN
0873-9749
DOI
10.1007/s102110000020
Publisher site
See Article on Publisher Site

Abstract

The fiddler crab Uca tangeri communicates using a visual waving display and a vibratory drumming signal, both thought to function in mate attraction. Using video playback techniques, images of an empty mudflat, a waving male, a threatening male, and a wandering female were presented to male subjects. All stimuli elicited similar levels of low-intensity waving, but significantly more high-intensity waves were elicited by the female and threatening male stimuli than the mudflat stimulus or the waving male stimulus. This concurs with other research that the waving display is used at a higher intensity to attract females. The threatening male stimulus failed to elicit the same response as an actual threatening male and we discuss the likely reasons for this. The subjects also spent a significantly greater proportion of time drumming during the male waving stimulus than during the female stimulus, suggesting that drumming functions in male-male competition as well as female attraction.

Journal

acta ethologica – Springer Journals

Published: Aug 24, 2000

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