Kuda-Kitsune or Kanko (管狐, "pipe fox"?) is a creature supposedly employed by Japanese kitsune-tsukai, those who use foxes as spirit familiars. Its use is described as a rat-sized fox which can be kept in a tobacco pipe.
Great colour - think I might skip the ears though! Bat-eared Fox - (Otocyon megalotis) is a canid of the African savanna, named for its large ears. It is also referred to as big-eared fox, black-eared fox, cape fox, and Delalande’s fox.