Spider veins are a group of dilated veins that appear close to the surface of the skin and look like spider webs or tree branches. They are usually red or blue. Although they can develop anywhere, they are most common on the legs and face.
Toy dogs constitute the smallest variant, with a height of 8 inches and weight range of 4 to 6 pounds. A short- and smooth-haired dog, the Rat Terrier has a coat that can sport any of a variety of colors, which include white, red, fawn, black and tan, lemon, brown, blue and white, and red brindle.
Cole miners in England bred the Staffordshire bull terrier because they needed a fast, small working dog. The Staffordshire is the shortest and lightest of the three breeds for this reason. They stand 14 to 16 inches tall and typically weigh 24 to 38 pounds.