Visibility as a factor in the copepod-planktivorous fish relationship

Authors

  • J. Rudi Strickler WATER Institute, University of Wisconsin
  • Ava J. Udvadia WATER Institute, University of Wisconsin
  • John Marino Department of Zoology, University of Wisconsin
  • Nick Radabaugh Department of Wildlife and Fisheries Sciences, South Dakota State University
  • Josh Ziarek WATER Institute, University of Wisconsin
  • Ai Nihongi WATER Institute, University of Wisconsin

DOI:

https://doi.org/10.3989/scimar.2005.69s1111

Keywords:

visibility, planktivorous fish, zooplankton, calanoid copepods, Daphnia, predator-prey relationship, temporal pattern recognition, random flow

Abstract


The question we treat in this contribution is whether or not planktivorous fish can use the motion pattern of planktonic copepods to distinguish these animals from other suspended particles in the water. A targeted overview of the predator-prey relationship is followed by a first report of experiments performed in our laboratory where fish selected between two virtual targets on a TV screen, each target showing a different swimming pattern. The results suggest that fish can perceive temporal visual patterns and select their preferred target after two to ten seconds observing the two moving targets. Implications of these preliminary results are discussed and hypotheses for further research formulated.

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Published

2005-06-30

How to Cite

1.
Rudi Strickler J, Udvadia AJ, Marino J, Radabaugh N, Ziarek J, Nihongi A. Visibility as a factor in the copepod-planktivorous fish relationship. scimar [Internet]. 2005Jun.30 [cited 2023Sep.26];69(S1):111-24. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/298

Issue

Vol. 69 No. S1 (2005)

Section

Articles

License

Copyright (c) 2005 Consejo Superior de Investigaciones Científicas (CSIC)

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