The present disclosure is a bobber that has a front hollow cavity, a rear hollow cavity, and a middle hollow cavity separating the front cavity from the rear cavity, the middle hollow cavity having a first opening in a top portion of the middle hollow cavity and a second opening in a bottom portion of the middle hollow cavity. In addition, the bobber has an arm comprising a first end and a second end, the arm extending through the first opening and the second opening and fixedly connected to the middle hollow cavity, the arm attached at a first end to fishing line such that when water pressure is applied to the second end of the arm extending from the second opening the arm moves vertically causing bait attached to the fishing line to move vertically in a body of water.