View source for Pokémon aging

[[File:Lapras aging.png|thumb|220px|Comparison between [[Ash's Lapras]]'s younger and older appearances]]
{{OBP|Pokémon|species}} have occasionally been shown at different ages or to have aged over time in various [[Pokémon]] media, most notably with appearances of particularly young and old Pokémon.

Aging is usually indepedent of [[Evolution]], as some unevolved Pokémon have been shown to visibly grow older without evolving.

==In the core series games==
===Pokédex entries===
Some [[Pokédex entry|Pokédex entries]] mention how a Pokémon changes as it grows up:

* {{p|Paras}} has no mushrooms as an infant. They emerge as Paras matures and grow along with Paras.
* {{p|Squirtle}}'s shell forms and hardens after it is born.
* {{p|Vulpix}} is born with one tail, which splits into more tails as it grows.

==In the spin-off games==
===Pokémon Puzzle League===
* In [[Pokémon Puzzle League]], {{Tracey}}'s [[Tracey's Scyther|elderly Scyther]] is one of the Pokémon in his team.

==In animation==
===''Pokémon the Series''===
===={{aniseries|OS}}====
* [[Puka]] is an old {{p|Pikachu}} that appeared in ''[[EP067|The Pi-Kahuna]]''. He also appeared younger in a flashback from 20 years before.
* [[Ash's Lapras]] debuted in ''[[EP084|The Lost Lapras]]'', where it was caught as a young Lapras. In ''[[EP113|Viva Las Lapras]]'', the [[Lapras herd]] is seen, including the mother of Ash's Lapras. In ''[[EP257|Lapras of Luxury]]'', it was revealed that Ash's Lapras eventually matured into an adult and became the leader of the Lapras herd.
* {{Tracey}}'s {{TP|Tracey|Scyther}}, which debuted in ''[[EP097|Tracey Gets Bugged]]'', is shown to be elderly, losing the leadership of its herd to a younger Scyther.
* {{OBP|Mewtwo|M01}} from ''[[M01|Mewtwo Strikes Back]]'' appeared younger when it was still in the cloning tube and communicated telepathically with {{an|Amber|Ambertwo}} in ''[[The Uncut Story of Mewtwo's Origin]]''. Mewtwo was fully grown when it first emerged from the tube.

<center><gallery widths="150px">
Young Puka.png|[[Puka]] in his youth
EP067.png|{{OBP|Victor|EP067}} and Puka as of ''[[EP067|The Pi-Kahuna]]''
EP113.png|[[Ash's Lapras]] when young, its mother, and [[Ash's Pikachu]]
Tracey and Scyther.png|{{Tracey}} and [[Tracey's Scyther|his Scyther]]
Ambertwo Mewtwo.png|Ambertwo and Mewtwo
Mewtwo M01.png|Mewtwo
</gallery></center>

===={{aniseries|GS}}====
*{{OBP|Silver|Lugia}} is a baby {{p|Lugia}} that debuted in ''[[EP220|The Mystery is History]]''. [[Lugia (Silver's parent)|Silver's parent]] is a Lugia that debuted earlier in ''[[EP210|Around the Whirlpool]]''.
*A {{p|Noctowl}} having an old beard appeared in ''[[EP223|Throwing in the Noctowl]]'' belonging to [[Wings Alexander]]. In flashbacks, this Noctowl was seen as a {{p|Hoothoot}} and as a young Noctowl.

<center><gallery widths="150px">
EP220.png|{{OBP|Silver|Lugia}}, a baby {{p|Lugia}}, with {{Ash}}, {{AP|Pikachu}}, [[Ritchie]], and [[Sparky]]
Wings Alexander Noctowl young.png|[[Wings Alexander]]'s {{p|Noctowl}} when it was younger
Wings Alexander Noctowl.png|Wings Alexander's Noctowl in the present day
</gallery></center>

====[[Pikachu short]]s====
*An elderly bearded {{p|Bellsprout}} appeared in [[PK13]].

<center><gallery widths="150px">
Bellsprout PK13.png|Elderly {{p|Bellsprout}}
</gallery></center>

===={{aniseries|AG}}====
*An elderly {{p|Treecko}} appeared in ''[[AG007|Tree's a Crowd]]''.

<center><gallery widths="150px">
AG007.png|Old and young {{p|Treecko}}
</gallery></center>

===={{aniseries|DP}}====
*Newly hatched {{p|Psyduck}} appeared in ''[[DP087|The Psyduck Stops Here!]]''.

===={{aniseries|SM}}====
*An elderly {{an|Stoutland}} debuted in ''[[SM007|That's Why the Litten is a Scamp!‬]]'', taking care of a {{pkmn2|wild}} {{AP|Litten}}. Uniquely for a visibly old Pokémon in {{aniseries|PTS}}, this Stoutland's age eventually caught up with it, causing it to [[Death in the Pokémon world|pass away]] following the events of ''[[SM021|One Journey Ends, Another Begins...]]''.
*An artisitic depiction of a baby form of {{p|Celesteela}} appeared in ''[[SM069|Rise and Shine, Starship!]]''.
*A baby {{p|Miltank}} appeared  alongside multiple Miltank in ''[[SM070|The Young Flame Strikes Back!]]''.

<center><gallery widths="150px">
Stoutland and Litten.png|Elderly {{an|Stoutland}}
Baby Celesteela.png|Baby {{p|Celesteela}}
Sima Miltank.png|A baby {{p|Miltank}} in a Miltank herd.
</gallery></center>

===={{aniseries|JN}}====
*[[Jaye]], an old man with an old {{p|Hoothoot}}, appeared in ''[[JN009|Finding a Legend!]]''. Jaye has had his Hoothoot since his youth.

<center><gallery widths="150px">
Jaye.png|[[Jaye]] and {{p|Hoothoot}}
</gallery></center>

==In the manga==
[[File:Enta Vulpix one tail CBF.png|thumb|220px|A one-tailed Vulpix in [[Pokémon Battle Frontier]]]]
===Ash & Pikachu===
*The baby {{p|Lugia}}, {{OBP|Silver|Lugia}}, and [[Lugia (Silver's parent)|its parent]] appeared in ''[[SP07|Let's Save The Lugia!]]''.

===Pokémon Battle Frontier===
*In ''[[CBF1|Enta Arrives at the Battle Frontier!]]'', {{OBP|Enta|CBF}} was shown to own a young {{TP|Enta|Vulpix}} that only had one tail. By the end of the chapter, Vulpix's tail split into six following some {{pkmn|training}}.
{{-}}

==Related articles==
*[[Evolution]]
*[[Baby Pokémon]]

[[Category:Pokémon world]]