From Australian Oceans Data Network
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Visually mediated neighbour recognition in the fiddler crab Uca capricornis

Created 13/03/2025

Updated 13/03/2025

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Mating signals are often directed at numerous senses, and provide information about species identity, gender, receptiveness, individual identity and mate quality. Given the diversity of colourful body patterns in invertebrates, surprisingly few studies have examined the role of these visual signals in mate recognition. This experiment demonstrates that distinct carapace colour patterns in the fiddler crab, Uca capricornis, enable males to discriminate between their female neighbours and unfamiliar females. The experiment was conducted in the East Point Reserve, Darwin, NT from September to January 2003 and 2004. The methodology involved identifying male and female U.capricornis neighbours living 10-30cm apart. The female was caught and randomly assigned to one of seven treatments, including replacement with a similar sized female, and various manipulations to alter her appearance. The female was then tethered close to the males burrow and the interaction monitored. The males behaviour was classified as either 'approach' or 'ignore.' The results show that males tended to approach unfamiliar females tethered nearby, whereas they were more likely to ignore their unaltered neighbours tethered in the same position.

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Title Visually mediated neighbour recognition in the fiddler crab Uca capricornis
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/6311ff2b-4060-4e64-843e-b819d993765b
Contact Point
CSIRO Oceans & Atmosphere
Tanya.Detto@hotmail.com
Reference Period 01/09/2003 - 01/01/2004
Geospatial Coverage {"type": "Polygon", "coordinates": [[[130.5, -13.0], [131.0, -13.0], [131.0, -12.0], [130.5, -12.0], [130.5, -13.0]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Visually mediated neighbour recognition in the fiddler crab Uca capricornis". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/visually-mediated-neighbour-recognition-in-the-fiddler-crab-uca-capricornis1

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