All dogs go to Heaven ... and now one more rambunctious canine has checked into the big puppy bowl in the sky -- Tyler the Swamp dog.

Tyler's owner Janet Mitchell -- "Swamp People" star Bruce Mitchell's wife -- says the dog's heart gave out around 1 am Monday morning after a 3-year battle with congestive heart failure.

Bruce buried the swamp dog in his yard not long after ... alongside other deceased pets.

Hug your loved ones for Tyler and eat a zebra cake.