Rapid colour changes associated with the fiddler crab, Uca capricornis
The purpose of this experiment was to quantitatively examine the rapid colour changes associated with the fiddler crab, Uca capricornis. Experiments were conducted in the East Point Reserve, Darwin from Nov - Jan (04/05 and 05/06).
65 randomly selected crabs were caught (21 males and 44 females) and their ability to change colour over a 20 minute period was assessed using a portable spectrophotometer.
The results indicate that when caught, or otherwise stressed, U. capricornis are capable of rapidly changing their colour, with short term colour changes more likely in females. In all cases the pattern remained unchanged, but did become more difficult to distinguish as the colours darkened.
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Spectral reflectance measurements of crabs collected on 02/01/05XLS Ouvrir
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Spectral reflectance measurements of crabs collected on 03/01/05XLS Ouvrir
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Spectral reflectance measurements of crabs collected on 13/01/05XLS Ouvrir
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Informations supplémentaires
| Date (publication) | 2007-08-16 |
|---|---|
| Statut | completed |
| Fréquence de mise à jour | asNeeded |
| Langue des métadonnées | en |
| Licence | Image may not be reproduced without prior consent from the principal investigator |
| Métadonnées sources | ISO 19115 XML |
| Dernière mise à jour | 2026-11-05 |
| Créé | 2026-11-05 |
| API | package_show |