The man exploits natural resources also when, at first sight, it is not necessary to maintain his existence. Angling, understood as a form of recreation or sport, associated with fish stocks usage, should be classified as that kind of activity. The prospect of significant reduction, or even extinction as a result of overharvest of many local populations of valuable species, cause that individual anglers more often recognizing their responsibility for the environment and leads towards increasing of environmental awareness and proper behavior in the fishery ground. One of the expressions of solicitude for the environment is, more and more popular among polish anglers, application to Catch and Release principles, which support the sustainable exploitation of fish fauna. In a survey conducted among anglers fishing in the Subcarpathian region (Poland), they were asked about the knowledge and approach to chosen C&R rules.