Cardiac and Locomotor Responses to Acute Stress in Signal Crayfish Pacifastacus leniusculus Exposed to Methamphetamine at an Environmentally Relevant Concentration

Filip Ložek, Iryna Kuklina, Kateřina Grabicová, Jan Kubec, Miloš Buřič, Tomáš Randák, Petr Císař and Pavel Kozák
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Filip Ložek: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic
Iryna Kuklina: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic
Kateřina Grabicová: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic
Jan Kubec: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic
Miloš Buřič: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic
Tomáš Randák: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic
Petr Císař: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic
Pavel Kozák: Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, University of South Bohemia in České Budějovice, 389 25 Vodňany, Czech Republic

IJERPH, 2020, vol. 17, issue 6, 1-9

Abstract: Methamphetamine (METH), a central nervous system stimulant used as a recreational drug, is frequently found in surface waters at potentially harmful concentrations. To determine effects of long-term exposure to environmentally relevant levels on nontarget organisms, we analysed cardiac and locomotor responses of signal crayfish Pacifastacus leniusculus to acute stress during a 21-day exposure to METH at 1 μg L −1 followed by 14 days depuration. Heart rate and locomotion were recorded over a period of 30 min before and 30 min after exposure to haemolymph of an injured conspecific four times during METH exposure and four times during the depuration phase. Methamphetamine-exposed crayfish showed a weaker cardiac response to stress than was observed in controls during both exposure and depuration phases. Similarly, methamphetamine-exposed crayfish, during METH exposure, showed lower locomotor reaction poststressor application in contrast to controls. Results indicate biological alterations in crayfish exposed to METH at low concentration level, potentially resulting in a shift in interactions among organisms in natural environment.

Keywords: aquatic environment; invertebrates; illicit drug; behaviour; predator–prey relationship; pollution (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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