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Sensory physiology

Brainless eyes

The visual equipment of box jellyfish includes eight optically advanced eyes that operate with only a rudimentary nervous system. As they produce blurred images, their function remains an open question.

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Figure 1: Eye see — but what? A box jellyfish of the genus Chironex.


Figure 2: The rhopalium (sensory club) of a box jellyfish.


  1. Nicholls, J. G., Martin, A. R., Wallace, B. G. & Fuchs, P. A. From Neuron to Brain 4th edn (Sinauer, Sunderland, MA, 2001).

    Google Scholar 

  2. Nilsson, D. -E., Gislén, L., Coates, M. M., Skogh, C. & Garm, A. Nature 435, 201–205 (2005).

    Article  ADS  CAS  PubMed  Google Scholar 

  3. Satterlie, R. A. Can. J. Zool. 80, 1654–1669 (2002).

    Article  Google Scholar 

  4. Land, M. F. & Nilsson, D. -E. Animal Eyes (Oxford Univ. Press, 2003).

    Google Scholar 

  5. Coates, M. M. Integr. Comp. Biol. 43, 542–548 (2003).

    Article  PubMed  Google Scholar 

  6. Weissmann, C. Trends Biochem. Sci. 3, 109–111 (1978).

    Google Scholar 

  7. Stange, G. J. Comp. Physiol. A 141, 335–347 (1981).

    Article  Google Scholar 

  8. Wehner, R. J. Comp. Physiol. A 189, 579–588 (2003).

    Article  ADS  CAS  Google Scholar 

  9. Schweigart, G. & Eysel, U. T. Eur. J. Neurosci. 15, 1585–1596 (2002).

    Article  PubMed  Google Scholar 

  10. Satterlie, R. A. J. Comp. Physiol. 133, 357–367 (1979).

    Article  Google Scholar 

  11. Laska, G. & Hundgen, M. Zool. Jb. Anat. 108, 107–123 (1982).

    Google Scholar 

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Wehner, R. Brainless eyes. Nature 435, 157–159 (2005).

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