Foraging in the Darkness of the Southern Ocean: Influence of Bioluminescence on a Deep Diving Predator

  title={Foraging in the Darkness of the Southern Ocean: Influence of Bioluminescence on a Deep Diving Predator},
  author={Jade Vacquie-Garcia and F. Royer and A BSTRACT Dragon and Morgane Viviant and Fr{\'e}d{\'e}ric Bailleul and Christophe Guinet},
  booktitle={PloS one},
How non-echolocating deep diving marine predators locate their prey while foraging remains mostly unknown. Female southern elephant seals (SES) (Mirounga leonina) have vision adapted to low intensity light with a peak sensitivity at 485 nm. This matches the wavelength of bioluminescence produced by a large range of marine organisms including myctophid fish, SES's main prey. In this study, we investigated whether bioluminescence provides an accurate estimate of prey occurrence for SES. To do so… CONTINUE READING

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