This activity monitors the uptake, accumulation and transformation of contaminants and their metabolites in the fish organism and the corresponding physiological and biochemical response of the organism to the relevant contaminants.
Due to the high mobility and also the high potential of transformation of the monitored substances in the aquatic environment through the trophic network, we monitor not only the direct effect of substances on the target group of aquatic animals (freshwater fish), but also their accumulation and transformation in the food chain using food autotrophic organisms (algae) and aquatic invertebrates (molluscs, crustaceans). It is assumed that the effect of contaminants will be manifested in several levels of the life cycle, especially in achieving optimal fitness and in the ability to minimize stress resulting from lower fitness.
Above all, physiological parameters in relation to basic behavioural manifestations, such as energy metabolism, respiratory rate, stress (biochemical parameters) and specific growth rate in relation to physical activity, use of shelters and response to a new object, are monitored. The second area of research is focused on standard social environment parameters such as flock behaviour, aggression, and hierarchy of domination.
Although part of the experiment is necessary for adults (social stress), it will be possible to apply a completely new approach based on changes in the behaviour of the larval stages of the fish to which contaminated food (algae) is presented. Tests will be enabled by incorporating DanioVision technology.
