Cat: Cat Hufflepuffs love to talk to their friends, but usually avoid strangers.

Dog: Dog Hufflepuffs want to share the Hufflepuff love! Take cookies!

Fish: The easily amused Hufflepuffs. They probably have trouble paying attention in class.

Bird: The shy Hufflepuffs. They probably talk to their birds.

Mouse/Rat/Gerbil etc: The Hufflepuffs who are the best in Care of Magical Creatures. They love to take care of animals.

No pet: The forgetful Hufflepuff. They'd probably kill their pet by forgetting to feed it.

Reptile/amphibian: The weird Hufflepuff (compliment intended!)

Other pet: Yee-haw, you're a Hufflepuff.