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Dynamic masquerade with morphing three-dimensional skin in cuttlefish.

Deanna Panetta1, Kendra Buresch1, Roger T Hanlon2

  • 1Marine Biological Laboratory, Woods Hole, MA 02543, USA.

Biology Letters
|March 31, 2017
PubMed
Summary
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Cuttlefish use dynamic masquerade, changing skin texture and color to blend with their environment. This sophisticated camouflage involves a two-step sensory process, allowing them to mimic inanimate objects for predator evasion.

Area of Science:

  • Marine Biology
  • Animal Behavior
  • Camouflage

Background:

  • Masquerade is a defense tactic where prey mimic inedible objects.
  • Dynamic masquerade, involving color pattern changes, is rare in nature.
  • Cuttlefish and octopus possess unique abilities for camouflage.

Purpose of the Study:

  • To investigate the dynamic masquerade capabilities of cuttlefish.
  • To explore the role of physical skin texture in camouflage.
  • To understand the sensory-motor system underlying cuttlefish camouflage.

Main Methods:

  • Experimental design involving sequential sensory processes.
  • Presentation of 3D rocks with varying textures (smooth vs. shell fragments).
  • Observation of cuttlefish responses in skin pattern and texture expression.
Keywords:
camouflagedefencepapillaepredationpredator–preyvisual perception

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Main Results:

  • Cuttlefish settled near rocks and adjusted skin texture (smooth to bumpy).
  • Uniform rocks elicited smooth skin and uniform patterns.
  • Textured rocks with shell fragments induced mottled patterns and strong papillae expression.

Conclusions:

  • Cuttlefish exhibit a sophisticated visual sensorimotor system for dynamic masquerade.
  • Morphing 3D skin texture enhances optical illusions created by skin patterns.
  • This capability represents a novel form of camouflage in the animal kingdom.