Or is he blue and black?
How to get[]
After unlocking Angler Island, at level 10 relationship with George you get the pet Golden White Pelican (you earn 5 sticker and you can adopt it at Pet Sanctuary).
It is a type of decor that does an animation when you tap it.
Feeding, Rewards, Level...[]
You can feed this pet with Sunfish or Primo Pet Treats.
Possible rewards[]
In addition with pet's specific rank reward, see here : Pet reward chart
See here Pets and here Pet Sanctuary for all info on nap time, feeding, rewards and more.