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Out of the dozens of starter-type Pokemon introduced throughout thePokemonseries, there’s no other iconic trio than the first three trainers started out with inPokemon Red/Blue/Green: Charmander, Bulbasaur, and Squirtle. The latter of the bunch,Squirtle, is a Water-type Pokemon that can evolve into Wartortle at level 16 and then Blastoise at 36. Here’s howPokemon Brilliant DiamondandShining Pearlplayers can get Squirtle and where it’s found.
Where to Find Squirtle in BDSP
Unfortunately for earlyBrilliant DiamondandShining Pearltrainers,Squirtle can only be obtained in the Grand Underground. Playerswill alsoneed to have the National Dexattachment for their Pokedex. To get the National Dex, players will need to defeat the Elite Four and the Champion Cynthia and see 150 Pokemon in the Sinnoh Pokedex.
Updated June 09, 2025, by Greysun Morales:Pokemon Brilliant Diamond and Pokemon Shining Pearl have been out for almost half a year now, but there’s no doubt that new players are still jumping in. With a Pokedex full of Sinnoh Pokemon, as well as old-school ones from Kanto and other regions, there are a lot of pocket monsters to catch. For those that are on the hunt for one of the original Water-type starters, this guide goes overwhere to find Squirtle in Pokemon BDSP. The guide has been updated to include more information on how to find Squirtle’s Grand Underground biome locations, as well as details on the stats of the evolutionary line, and best natures to go with.
RELATED:Pokemon Brilliant Diamond & Shining Pearl: 13 Best Water Type Pokemon & Where To Catch Them
Aftergetting the National Dex, go into the Grand Underground. However, players will need to travel to the underground from various locations around Sinnoh to reach the Squirtle-spawning zones. Here are all the locations in the Grand Underground where Squirtle can appear, as well as some locations where players should use the Explorer’s Kit:
Since the Pokemon will appear in the overworld, players can run through the area to check if a Squirtle shows up. It’s pretty hard to find, but players can leave the biome and then return to keep checking if Squirtle appears.
Moves, Evolution, and Stats
OnceSquirtle evolves into Blastoiseat level 36, it can learn Iron Defense at level 42, Hydro Pump at 49, and Skull Bash at level 56. And being a Water-type, the evolutionary line for Squirtle takes a lot of damage from Electric-type moves but is resistant to Fire, Water, Ice, and Steel-type moves.
As for Squirtle’s, Wartortle’s, and Blastoise’s stats, their highest ones are defense and special defense, and they all are lacking in the speed department.
44
48
65
50
64
43
314
59
63
80
58
405
79
83
100
85
105
78
530
Best Natures
It’s really up to the player to decidewhat kind of nature they want Squirtleand the rest of the evolutionary line to have, but it might be best to go with something that increases its defense even further to take advantage. Relaxed nature increases defense and lowers the speed stat. However, trainers can also go with an Adamant nature, increasing attack and decreasing special attack. It all depends on what moves players are going to teach their Pokemon, and how ‘tanky’ they want the Pokemon to be.
