Peanut Butter, a Chihuahua-corgi mix, is a young dog with a calm temperament. There is currently a special adoption fee for PB of $50. Less than 2 years old, he loves people and does very well with other dogs. Rescue volunteers think he would fit well in most homes. Peanut Butter will be at Tracy Petco to see visitors from noon to 3 p.m. Saturday, April 20. For information: 925-980-3035.