Academic Journal
Variable crab camouflage patterns defeat search image formation.
| Τίτλος: | Variable crab camouflage patterns defeat search image formation. |
|---|---|
| Συγγραφείς: | Troscianko J; Centre for Ecology and Conservation, College of Life and Environmental Science, University of Exeter, TR10 9FE, Penryn, UK. jt@jolyon.co.uk., Nokelainen O; Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland., Skelhorn J; Biosciences Institute, Faculty of Medical Sciences, Newcastle University, NE2 4HH, Newcastle upon Tyne, UK., Stevens M; Centre for Ecology and Conservation, College of Life and Environmental Science, University of Exeter, TR10 9FE, Penryn, UK. |
| Πηγή: | Communications biology [Commun Biol] 2021 Mar 05; Vol. 4 (1), pp. 287. Date of Electronic Publication: 2021 Mar 05. |
| Τύπος έκδοσης: | Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Nature Publishing Group UK Country of Publication: England NLM ID: 101719179 Publication Model: Electronic Cited Medium: Internet ISSN: 2399-3642 (Electronic) Linking ISSN: 23993642 NLM ISO Abbreviation: Commun Biol Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: London, United Kingdom : Nature Publishing Group UK, [2018]- |
| Ιατρικοί όροι (MeSH): | Color Perception* , Ecosystem* , Pattern Recognition, Physiological* , Pigmentation* , Predatory Behavior*, Brachyura/*physiology, Adaptation, Physiological ; Animals ; Color ; Humans ; Phenotype ; Time Factors ; Video Games |
| Περίληψη: | Understanding what maintains the broad spectrum of variation in animal phenotypes and how this influences survival is a key question in biology. Frequency dependent selection - where predators temporarily focus on one morph at the expense of others by forming a "search image" - can help explain this phenomenon. However, past work has never tested real prey colour patterns, and rarely considered the role of different types of camouflage. Using a novel citizen science computer experiment that presented crab "prey" to humans against natural backgrounds in specific sequences, we were able to test a range of key hypotheses concerning the interactions between predator learning, camouflage and morph. As predicted, switching between morphs did hinder detection, and this effect was most pronounced when crabs had "disruptive" markings that were more effective at destroying the body outline. To our knowledge, this is the first evidence for variability in natural colour patterns hindering search image formation in predators, and as such presents a mechanism that facilitates phenotypic diversity in nature. |
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| Grant Information: | BB/L017709/1 United Kingdom BB_ Biotechnology and Biological Sciences Research Council |
| Entry Date(s): | Date Created: 20210306 Date Completed: 20210810 Latest Revision: 20240331 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC7935895 |
| DOI: | 10.1038/s42003-021-01817-8 |
| PMID: | 33674781 |
| Βάση Δεδομένων: | MEDLINE |
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