Pokédex ／ Water ／ #423 Gastrodon
#423
Gastrodon
WATER TYPE · STRONYM REGION

Gastrodon

The Sea Slug Pokémon
WaterGround
HEIGHT0.9 m
WEIGHT29.9 kg
BASE EXP166
ORIGINNational Dex
ABILITY Sticky HoldHIDDEN: Sand Force

Protects the Pokémon from item theft.

POKéDEX ENTRY

It has a pliable body without any bones. If any part of its body is torn off, it grows right back.

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Shellos
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Ambipom
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Base Stats

BST 475
HP 111 ATK 83 DEF 68 SPE 39 SP.D 82 SP.A 92
HP111
ATK83
DEF68
SP.A92
SP.D82
SPE39
Base Stat Total475
▲ WEAKNESSES
Grass×4Void×4
▼ RESISTANCES
Poison×½Rock×½Steel×½Fire×½
⦰ IMMUNE
Electric×0

Evolution Line

Shellos
#422ShellosWater
LV 30
Gastrodon
#423GastrodonWaterGround

Level-Up Moves

13 MOVES
Lv 1 Mud-Slap Ground
◆Special 20PWR 100ACC 7PP
Lv 1 Mud Sport Ground
○Status —PWR —ACC 12PP
Lv 1 Harden Normal
○Status —PWR —ACC 12PP
Lv 1 Water Pulse Water
◆Special 60PWR 100ACC 12PP
Lv 2 Mud Sport Ground
○Status —PWR —ACC 12PP
Lv 4 Harden Normal
○Status —PWR —ACC 12PP
Lv 7 Water Pulse Water
◆Special 60PWR 100ACC 12PP
Lv 11 Mud Bomb Ground
◆Special 65PWR 85ACC 10PP
Lv 16 Hidden Power Normal
◆Special 1PWR 100ACC 12PP
Lv 22 Rain Dance Water
○Status —PWR —ACC 5PP
Lv 29 Body Slam Normal
●Physical 85PWR 100ACC 12PP
Lv 41 Muddy Water Water
◆Special 95PWR 85ACC 7PP
Lv 54 Recover Normal
○Status —PWR —ACC 7PP
DATAMINED
DATA SOURCEGame files · v1.9
METHODRGSSAD unpack
LAST VERIFIED2026-06
KNOWN LIMITSMove PP and item prices are RFG-rebalanced and differ from mainline values.