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Visibility as a factor in the copepod-planktivorous fish relationship
Strickler, J.R.; Udvadia, A.J.; Marino, J.; Radabaugh, N.; Ziarek, J.; Nihong, A. (2005). Visibility as a factor in the copepod-planktivorous fish relationship. Sci. Mar. (Barc.) 69(S1): 111-124. https://dx.doi.org/10.3989/scimar.2005.69s1111
In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358; e-ISSN 1886-8134
Also appears in:
Marrasé, C.; Abelló, P. (Ed.) (2005). Promoting marine science: contributions to celebrate the 50th anniversary of Scientia Marina. Scientia Marina (Barcelona), 69(S1). Institut de Ciències del Mar: Barcelona. 210 pp. https://dx.doi.org/10.3989/scimar.2005.69s1, more
Peer reviewed article  
Available in  Authors 
    Vlaams Instituut voor de Zee: Open access 352157 [ download pdf ]
Keywords
    Aquatic communities > Plankton > Zooplankton
    Predator prey interactions
    Visibility
    Daphnia O.F. Müller, 1785 [WoRMS]
    Marine/Coastal
Authors  Top 
  • Strickler, J.R.
  • Udvadia, A.J.
  • Marino, J.
  • Radabaugh, N.
  • Ziarek, J.
  • Nihong, A.
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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