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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Camouflage during movement in the European cuttlefish (Sepia officinalis) Josef, N.; Berenshtein, I.; Fiorito, G.; Sykes, A.V.; Shashar, N. (2015). Camouflage during movement in the European cuttlefish (Sepia officinalis). J. Exp. Biol. 218(21): 3391-3398. https://dx.doi.org/10.1242/jeb.122481 In: The Journal of Experimental Biology. Cambridge University Press: London. ISSN 0022-0949; e-ISSN 1477-9145, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 307004 [ download pdf ]

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Trefwoorden

Exploitable Scientific Result Industry Marine Sciences Marine Sciences > Marine Sciences General Maritime Industries > Blue Biotech Scientific Community Scientific Publication Marien/Kust

Author keywords

Animal behaviour; Cephalopods; Movement camouflage; Dynamic camouflage;Background matching; Common cuttlefish; Chromatophores

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Association of European marine biological laboratories, meer

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Josef, N. Berenshtein, I. Fiorito, G.	Sykes, A.V. Shashar, N.

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Abstract

A moving object is considered conspicuous because of the movement itself. When moving from one background to another, even dynamic camouflage experts such as cephalopods should sacrifice their extraordinary camouflage. Therefore, minimizing detection at this stage is crucial and highly beneficial. In this study, we describe a background-matching mechanism during movement, which aids the cuttlefish to downplay its presence throughout movement. In situ behavioural experiments using video and image analysis, revealed a delayed, sigmoidal, colour-changing mechanism during movement of Sepia officinalis across uniform black and grey backgrounds. This is a first important step in understanding dynamic camouflage during movement, and this new behavioural mechanism may be incorporated and applied to any dynamic camouflaging animal or man-made system on the move.

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