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Preference-avoidance reactions of crayfish to sublethal concentrations of cadmium
Maciorowski, A.F.; Benfield, E.F.; Cairns, Jr., J. (1980). Preference-avoidance reactions of crayfish to sublethal concentrations of cadmium. Hydrobiologia 74: 105-112
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158, more
Peer reviewed article  

Available in  Authors 

    Avoidance; Behaviour; Biological monitoring; Cadmium; Crayfish; Sublethal effects; Marine

Authors  Top 
  • Maciorowski, A.F.
  • Benfield, E.F.
  • Cairns, Jr., J.

    The preference-avoidance reactions of the crayfish, Cambarus acuminatus, exposed to nominal cadmium concentrations of 125.0, 12.5, and 1.25 µCd++/ l are examined. Pooled data from five trials at each treatment concentration demonstrate a statistically significant avoidance of the highest concentration, and preference for middle and lowest concentrations. Additional observations of behavior indicate that crayfish sense sublethal cadmium concentrations and respond to them with a general decrease in activity. Therefore, the use of crayfish locomotor activity as a potential parameter for continuous biological monitoring systems appears feasible.

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