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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
Peer reviewed article  
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Author keywords
    Animal behaviour; Cephalopods; Movement camouflage; Dynamic camouflage;Background matching; Common cuttlefish; Chromatophores
Project Top | Auteurs 
  • Association of European marine biological laboratories
Auteurs  Top 
  • Josef, N.
  • Berenshtein, I.
  • Fiorito, G.
  • Sykes, A.V.
  • Shashar, N.
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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