lol..
But to answer your question, The feelers on a gourami are just that..."feelers." In other words, they use them to feel their surroundings. They probably evolved these modified pelvic fins to help them find their way around in dark, murky, or even muddy water that these fish many times can be found in, in the wild. This is also why they delveloped their labyrinth organ...these 'murky' waters are many times very deficient in oxygen.