Blue Merle Aussie Puppies for sale. 2 Blue Merles girl and 2 Black Tri girl. The most beautiful blue eyes of all Blue Merle puppies. Puppies had their tails docked with a veterinarian and removed the dew claws and had their first round of shots, wormed, and vet checked. Puppies can go to their new homes forever when they're 8-10 weeks old, we're willing to stay longer for Christmas if they're wanted or needed. Puppies are going to grow to 11-13.