There is no specific time that shops restock, let alone when they restock a specific item. You have to wait patiently and constantly check the store if you want to get a doglefox from the shop.
That petpet is called a Fungree.
Go to the Market Lane, there is a shop called Petpet Emporium, there they will sell you a fishing pole for 100 Park Points.
Kauvara
It is in Neopian Plaza close to the Plushie Shop
You can get the golden egg on petpet park at the pet shop
I think you can buy PetPet Food on the Shop Wizard, Trading Post, Auctions, and some shop I don't know of. But to be honest, you don't have to feed you PetPet, speaking of which, you can't feed your PetPet, I don't think.
The Cheapest petpet is a ghoti and you can usually find it on the shop wizard for about 10 or 20 neopoints
You can find these at the Toy Shop located at the Neopian Bazaar, or you can search one up on the Shop Wizard and find one at a user shop.
people buy it. the shop sold out"?
It's at fins and feathers fashion shop
You have to get a paint brush by buying it or just getting it in a random event. You can buy most in the shop wizard. Then you go to the petpet puddle and choose the petpet you wish to change. You must have the petpet attached to one of your pets.
You can find these at Uni's Clothing Shop, or find one via the Shop Wizard. They used to be available at the Neopian General Store until September 18, 2009 by the way.