Aidi also known as Aïdi, Atlas Mountain Dog, Atlas Shepherd Dog, Chien de l'Atlas and Chien de Montagne de l'Atlas. Are medium sized dog breeds originating from Morocco? They have lean and long bone structure combined with compact built. it grows as tall as 25 inches and weighs a maximum of 55 pounds. its gait is far reaching and speedy. Its coat is thick and smooth occurring in Black, Red, White, Black & White and Tawny colors. They are friendly and affectionate breeds. known for its alert and vigilant nature, they make excellent guard dogs. They are protective and gentle with children. they are good with other pet breeds and reclusive of strangers.