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Snapping shrimp make flashing bubbles

Naturevolume 413, pages477–478 (2001)Cite this article

The cavitation bubbles created by shrimp in stunning their prey have some surprising properties.

Abstract

Snapping shrimp produce a loud crackling noise1,2 that is intense enough to disturb underwater communication. This sound originates from the violent collapse of a large cavitation bubble generated under the tensile forces of a high-velocity water jet formed when the shrimp's snapper-claw snaps shut3 (Fig. 1). Here we show that a short, intense flash of light is emitted as the bubble collapses, indicating that extreme pressures and temperatures of at least 5,000 K (ref.4) must exist inside the bubble at the point of collapse. We have dubbed this phenomenon 'shrimpoluminescence' — the first observation, to our knowledge, of this mode of light production in any animal — because of its apparent similarity to sonoluminescence5,6, the light emission from a bubble periodically driven by ultrasound.

The light flash (not visible here) is indicative of the high temperature and pressure in the bubble interior at the point of collapse.

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Figure 2: Sound and light from a snapping shrimp (Alpheus heterochaelis).

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References

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Author information

Authors and Affiliations

  1. Faculty of Applied Physics and J. M. Burgers Research Centre for Fluid Dynamics, University of Twente, PO Box 217, AE Enschede, 7500, The Netherlands

    Detlef Lohse & Michel Versluis

  2. Lehrstuhl für Zoologie, Technische Universität München, Lichtenbergstrasse 4, Garching, 85747, Germany

    Barbara Schmitz

Authors
  1. Detlef Lohse
  2. Barbara Schmitz
  3. Michel Versluis

Corresponding author

Correspondence toDetlef Lohse.

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