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Comment on "Open-ocean fish reveal an omnidirectional solution to camouflage in polarized environments"
Cronin, T.W.; Gagnon, Y.L.; Johnsen, S.; Marshall, N.J.; Roberts, N.W. (2016). Comment on "Open-ocean fish reveal an omnidirectional solution to camouflage in polarized environments". Science (Wash.) 353(6299): 552-a. hdl.handle.net/10.1126/science.aaf4481
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Cronin, T.W.
  • Gagnon, Y.L.
  • Johnsen, S.
  • Marshall, N.J.
  • Roberts, N.W.

Abstract
    Brady et al. (Reports, 20 November 2015, p. 965) claimed that the silvery sides of certain fish are cryptic when viewed by animals with polarization sensitivity, which they termed “polarocrypsis.” After examining their evidence, we find this claim to be unsupported due to (i) pseudoreplication, (ii) confounding polarization contrast with intensity contrast, and (iii) measurements taken at very shallow depths.

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