A pet feeder has a pneumatic lifting system with a rotatably mounted feeding tray. A support structure has an end connected to a surface of a feeding tray located opposite another end connected to a retaining structure. A capturing structure is connected to a cylinder. The capturing structure has an upper capturing portion having a primary opening located opposite a lower capturing portion having a secondary opening. The upper capturing portion has a primary retaining lip and the lower capturing portion has a secondary retaining lip forming a track. The retaining structure is retained within the capturing structure. The retaining structure is configured to travel along the track of the capturing structure and to rotate the tray around the perimeter of the cylinder. The pet feeder can have audio capabilities, a programmable timer, a feeding alert system, and a removable tray.