Visual prey detection by near-infrared cues in a fish

  title={Visual prey detection by near-infrared cues in a fish},
  author={Denis Meuthen and I. P. Rick and T. Th{\"u}nken and S. A. Baldauf},
  • Denis Meuthen, I. P. Rick, +1 author S. A. Baldauf
  • Published 2012
  • Biology, Medicine
  • Naturwissenschaften
  • Many animal species are able to perceive light wavelengths beyond those visible to humans. While numerous species are additionally sensitive to short wavelengths (UV), long wavelengths such as the near-infrared spectrum (NIR) are supposed to be unsuitable for visual perception. Here, we experimentally show that under exclusive NIR illumination, the cichlid fish Pelvicachromis taeniatus displays a clear foraging response towards NIR reflecting prey. Additional control experiments without prey… CONTINUE READING
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