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The Guejae Gae (also called the Gaulchae Gae) is a type of dog similar to the Korean Jindo Dog. While these dogs are almost identical, the Guejae is slightly larger with longer canine teeth that bend slightly inward.

It is most often used for hunting and herding. It has a natural instinct to predict an animal's path, and it never gives up on the animal it is tracking. However, it has the excellent temperament of a domesticated dog and especially loves to play with people (unlike the Jindo), so much so that many people think it is a dumb dog, although in truth it is extremely intelligent.