Öresjö is perhaps one of Sweden's best pollen lakes. In the bigger races, the winners tend to pull up over 10 kg!
The fishing permit for Öresjö also applies in Viskan up to Örebro and in Stora and Lilla Tosserydssjön . A special fishing license gives the opportunity to fish in Munkån and Svensån .
On test 2019 there is also a special fishing license "Viskan" for the part of Viskan that you can fish in when you are on Mölarps island (See PDF map)
In Öresjö there are perch, bream, pike, goose, pike, lake, roach, whitefish, broccoli and eel. In Munkån and Svensån there is among other things trout. Öresjö is a drinking water outlet for Borås since 1932. This is why it is forbidden to drive with 2-stroke engines on Öresjö. The area is not acidified. The Fishery Area is part of the Municipal Fishery Card.