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Hydrodynamic stimuli and the fish lateral line

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  • J. Engelmann

    (Institut für Zoologie der Rheinischen Friedrich-Wilhelms-Universität Bonn, Poppelsdorfer Schloss)

  • W. Hanke

    (Institut für Zoologie der Rheinischen Friedrich-Wilhelms-Universität Bonn, Poppelsdorfer Schloss)

  • J. Mogdans

    (Institut für Zoologie der Rheinischen Friedrich-Wilhelms-Universität Bonn, Poppelsdorfer Schloss)

  • H. Bleckmann

    (Institut für Zoologie der Rheinischen Friedrich-Wilhelms-Universität Bonn, Poppelsdorfer Schloss)

Abstract

Sensory systems need to distinguish biologically relevant stimuli from background noise. Here we investigate how the lateral-line mechanosensory system of the fish senses minute water motions1 in the vicinity while exposed to running water. We find that one class of receptor in the lateral line, the canal neuromasts, can respond to hydrodynamic stimuli even in the presence of unidirectional water flow, whereas superficial neuromasts, which predominate in still-water fish, cannot.

Suggested Citation

  • J. Engelmann & W. Hanke & J. Mogdans & H. Bleckmann, 2000. "Hydrodynamic stimuli and the fish lateral line," Nature, Nature, vol. 408(6808), pages 51-52, November.
    • Handle: RePEc:nat:nature:v:408:y:2000:i:6808:d:10.1038_35040706
    DOI: 10.1038/35040706
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