Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity

Abstract A combination of burrowing behaviour and very efficient background matching makes the brown shrimp Crangon crangon almost invisible to potential predators and prey. This raises questions on how shrimp succeed in concealing themselves in the heterogeneous and dynamic estuarine habitats they...

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Autores principales:	Andjin Siegenthaler, Alexander Mastin, Clément Dufaut, Debapriya Mondal, Chiara Benvenuto
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/979efa07b1434373858921e400134150
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spelling	oai:doaj.org-article:979efa07b1434373858921e4001341502021-12-02T15:08:26ZBackground matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity10.1038/s41598-018-21412-y2045-2322https://doaj.org/article/979efa07b1434373858921e4001341502018-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-21412-yhttps://doaj.org/toc/2045-2322Abstract A combination of burrowing behaviour and very efficient background matching makes the brown shrimp Crangon crangon almost invisible to potential predators and prey. This raises questions on how shrimp succeed in concealing themselves in the heterogeneous and dynamic estuarine habitats they inhabit and what type of environmental variables and behavioural factors affect their colour change abilities. Using a series of behavioural experiments, we show that the brown shrimp is capable of repeated fast colour adaptations (20% change in dark pigment cover within one hour) and that its background matching ability is mainly influenced by illumination and sediment colour. Novel insights are provided on the occurrence of non-adaptive (possibly stress) responses to background changes after long-time exposure to a constant background colour or during unfavourable conditions for burying. Shrimp showed high levels of intra- and inter-individual variation, demonstrating a complex balance between behavioural-plasticity and environmental adaptation. As such, the study of crustacean colour changes represents a valuable opportunity to investigate colour adaptations in dynamic habitats and can help us to identify the mayor environmental and behavioural factors influencing the evolution of animal background matching.Andjin SiegenthalerAlexander MastinClément DufautDebapriya MondalChiara BenvenutoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-12 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Andjin Siegenthaler Alexander Mastin Clément Dufaut Debapriya Mondal Chiara Benvenuto Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity
description	Abstract A combination of burrowing behaviour and very efficient background matching makes the brown shrimp Crangon crangon almost invisible to potential predators and prey. This raises questions on how shrimp succeed in concealing themselves in the heterogeneous and dynamic estuarine habitats they inhabit and what type of environmental variables and behavioural factors affect their colour change abilities. Using a series of behavioural experiments, we show that the brown shrimp is capable of repeated fast colour adaptations (20% change in dark pigment cover within one hour) and that its background matching ability is mainly influenced by illumination and sediment colour. Novel insights are provided on the occurrence of non-adaptive (possibly stress) responses to background changes after long-time exposure to a constant background colour or during unfavourable conditions for burying. Shrimp showed high levels of intra- and inter-individual variation, demonstrating a complex balance between behavioural-plasticity and environmental adaptation. As such, the study of crustacean colour changes represents a valuable opportunity to investigate colour adaptations in dynamic habitats and can help us to identify the mayor environmental and behavioural factors influencing the evolution of animal background matching.
format	article
author	Andjin Siegenthaler Alexander Mastin Clément Dufaut Debapriya Mondal Chiara Benvenuto
author_facet	Andjin Siegenthaler Alexander Mastin Clément Dufaut Debapriya Mondal Chiara Benvenuto
author_sort	Andjin Siegenthaler
title	Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity
title_short	Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity
title_full	Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity
title_fullStr	Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity
title_full_unstemmed	Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity
title_sort	background matching in the brown shrimp crangon crangon: adaptive camouflage and behavioural-plasticity
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/979efa07b1434373858921e400134150
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Background matching in the brown shrimp Crangon crangon: adaptive camouflage and behavioural-plasticity

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