Akklimatizatsiya jarayonida baliqlarga ta’sir etuvçi stress omillar

Abstract

This study investigated the stress responses occurring in Belarusian carp (Cyprinus carpio L.) during acclimatization under aquarium conditions. The study was conducted in September 2026 at the Scientific Research Institute of Fisheries using control and experimental groups. In the control group, carp were kept separately, whereas in the experimental group, African sharptooth catfish (Clarias gariepinus) were housed together with carp. In the control group, unusual behavioral patterns were observed in carp, including refusal to feed, clustering in the corners of the aquarium, and collisions with the aquarium walls while swimming. Following the introduction of African sharptooth catfish into the experimental aquarium, subsequent observations revealed that the carp resumed feeding and moved more freely throughout the aquarium. In addition, water temperature, pH, dissolved oxygen concentration, and other physicochemical parameters were analyzed. The observations suggest that the presence of another fish species may be associated with changes in the feeding behavior of carp. The findings highlight the importance of monitoring behavioral responses and maintaining water quality during the adaptation of fish to a new environment.