Impact of environmental enrichment and social group size in the aggressiveness and foraging activity of Serrapinnus notomelas
Fish are widely used in scientific research, and many species are bred for ornamental purposes and human consumption. Despite the large number of fish kept in captivity, research on the welfare of these animals has only recently intensified. One commonly used method for improving fish welfare is environmental enrichment, and the issue of animal density […]
Feeding behavior and the effect of photoperiod on the performance and hematological parameters of the pacamã catfish (Lophiosilurus alexandri)
The aim of this study was to evaluate the rhythms of feeding and locomotor activity, the ability to synchronize to a fixed feeding time, and the influence of photoperiod on the growth parameters, feed intake and hematological parameters of a recently introduced fish in freshwater Brazilian aquaculture, Lophiosilurus alexandri. In experiment 1, six aquariums (60 […]