Spiny bograt

Spiny bograts were a species of rat that were native to the swamps of the planet Dagobah. While living in exile on Dagobah, Jedi Grand Master Yoda often found spiny bograts and various other swamp life coming through the door of his hut. He allowed all bar the venomous creatures to stay and keep him company.

Behind the scenes
Spiny bograts were first mentioned in the reference book Ultimate Star Wars, which was released in 2015.