A Frostbite Spider in Skyrim. Can be your child's pet in Hearthfire.

A Frostbite Spider is an animal in Skyrim

Hearthfire DLC[edit]

A Frostbite Spider is one of the possible pets your child can adopt in Skyrim: Hearthfire

There is a random chance your kids will bring the Frostbite Spider home and ask you if they are allowed to keep it.