Rockruff is a Rock-type Pokémon introduced in Generation VII. It evolves into Lycanroc starting at level 25. The form it evolves into depends on the game it evolves in.

In Pokémon Sun and Ultra Sun, Rockruff evolves into Midday Form Lycanroc when leveled up in the day. In Pokémon Moon and Ultra Moon, Rockruff evolves into Midnight Form Lycanroc when leveled up at night. In Pokémon Ultra Sun and Ultra Moon, a special Rockruff with Own Tempo evolves into Dusk Form Lycanroc between 5:00 PM and 5:59 PM in-game time.

Take a look below for 26 interesting and fun facts about Rockruff.

1. Rockruff is a quadruped, canine Pokemon.

2. It is primarily light brown with a darker brown muzzle, paws, and ear tips.

3. It has large blue eyes, button ears, a short muzzle with a triangular pink nose, and a short tuft of fur on each cheek.

4. Around its neck is a ruff of grayish-white fur stubbed with dark brown pebbles.

5. The dark brown markings on its paws extend to a thin point on each wrist and ankle.

6. It has a grayish-white tail that curls tightly over its back and is covered in fluffy fur.

7. Rockruff has an excellent sense of smell and will never forget an odor after smelling it once. 

8. There are tales of it reuniting with its Trainer after becoming lost by following the faintest traces of scent.

9. This Pokémon is very sociable and will greet others by rubbing them with the rocks around its neck.

10. As it ages, Rockruff becomes wilder. Once it is close to evolving, it will begin to howl when the sun goes down.

11. It has been said to leave its Trainer’s side and return once it has evolved.

12. A persistent Pokémon, it will keep going until it outlasts foes that are even more powerful.

13. It has been known to fight with Growlithe over territory.

14. Rockruff shares its category with Growlithe, Lillipup, and Yamper. They are all known as the Puppy Pokémon.

15. Rockruff is tied with Roggenrola for the lowest base stat total of all Rock-type Pokémon.

16. Rockruff is tied with Cranidos for the lowest base Defense stat of all Rock-type Pokémon.

17. Rockruff and all three forms of Lycanroc are the only Rock-type Pokémon that cannot learn Sandstorm.

18. Rockruff with the Own Tempo Ability cannot be traded on Wonder Trade.

19. Rockruff appears to be based on the spitz breed of dogs. It may also be based on the Japanese wolf, which is often associated with rocks and mountains.

20. Rockruff may be a combination of rock, ruff (onomatopoetic word for barking, or the fur around its neck), and rough.

21. Rockruff debuted in The Guardian’s Challenge!, under the care of Professor Kukui. In Rocking Clawmark Hill!, Ash officially caught Rockruff. It evolved into a Dusk Form Lycanroc in Rising from the Ruins!.

22. A Trainer’s Rockruff appeared in Crystal-Clear Sleuthing!.

23. Two Trainers’ Rockruff appeared in A Young Royal Flame Ignites!.

24. Two Trainers’ Rockruff appeared in I Choose Paradise!, where they were among the Pokémon seen at the Pokémon Paradise Resort.

25. A Trainer’s Rockruff appeared in Turning the Other Mask!.

26. A Trainer’s Rockruff appeared in a flashback in Battling the Beast Within! as a resident of what is now the Ultra Ruin.