A pet dish for holding pet food or water includes a dish portion having a top wall and a peripheral side wall that is attached to a peripheral edge of the top wall and extends downward therefrom. The top wall has at least one depression therein and defines a food receptacle. The at least one depression is centrally disposed in the top wall such that a margin of the top wall is formed extending around the depression. A handle is attached to the margin and extends upwardly therefrom.

A lifter for pet food or water bowls. consists in a channel through which slides a riser lifting a hook onto which is hooked either a platform or a bowl or any such container. A handle allows the user to raise the hook to any desired height at which point it is automatically locked to that given height. By actuating a lever, the hook can be lowered.

A pet feeding system includes a dish having an upwardly projecting elongated handle. A liner is shaped and dimensioned to fit over the dish. An anti-rotation mechanism prevents the liner from rotating with respect to the dish.

A mobile food dispenser includes a shell, a controller, at least one drive motor for moving the dispenser across a surface in response to direction from the controller, at least one sensor configured to detect the presence of an animal, and at least one compartment including a hatch mechanism for controlling an animal's access to the interior of the compartment, wherein the hatch mechanism is actuated by the controller, and wherein the controller is configured to move the dispenser and actuate the hatch mechanism to stimulate an animal, in response to a detected presence of the animal.