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.
One of the smallest pit bull breeds is the Staffordshire bull terrier, with males weighing from 35 to 40 pounds and females from 30 and 35 pounds. The wide weight ranges for the largest pit bull breeds mean that some members of these breeds may not be very big at all.