This lost dog poster is near in La Costa off El Camino Real and La Costa Ave.
The dog's name is Dudley and a $500 reward is being offered.
Tammie, the dog's owner (and Ryan's mother), told Carlsbad Patch Monday, "We haven't received any calls yet for Dudley. My son is so sad and has been crying all weekend. We miss him so much."
If you see Dudley call Tammie at 760-445-7548