Pokemon
Regular
Shiny
Gastrodon
Water Type
Ground Type
Sea Slug Pokémon
Hisuian Pokedex: #083

Pokemon Legends Arceus Gastrodon is a Water and Ground Type Sea Slug Pokémon with a Medium Fast growth rate and a 2 HP EV Yield. Gastrodon can be found with as an Ability; we recommend the Quiet Nature, based on 475 total combined Base Stats in PLA.

Navigate this Gastrodon Guide using the links below.

Gastrodon Stats and Abilities

Based on Gastrodon Base IVs we consider this pokemon C-Tier choice. Gastrodon Highest IV Stat is Special Attack (92) and the Lowest being Speed (39).

Gastrodon Stats
Rank Stat Value
D
HP
111
C
Attack
83
E
Defense
68
B
Special Attack
92
D
Special Defense
82
F
Speed
39
C
Total
475
Gastrodon Details
Gastrodon Detail
Best Nature
Quiet
+10% Special Attack
-10% Speed
Liked Foods
Caught in the Wild Held Item Chance
Catch Rate75 (9.8% with PokéBall, full HP)
Egg Groups
Amorphous
Water 1
Gastrodon Abilities
Abilities Description

How To Evolve Gastrodon in Pokemon Legends Arceus

Shellos requires (Level 30) to evolve into Gastrodon.

Gastrodon Evolutions
Base Form Evolution Requirement First Evolution
Shellos
Water Type
Level 30
Gastrodon
Water TypeGround Type
Gastrodon Evolution Stat Changes
Evolutions Total HP Attack Special Attack Defense Special Defense Speed
Shellos
325
76
48
57
48
62
34
Stat Change
+150
+35
+35
+35
+20
+20
+5
Gastrodon
475
111
83
92
68
82
39

Alpha Gastrodon Locations

List of Locations you can find Alpha Gastrodon in PLA.

Alpha Gastrodon Map Locations in Cobalt Coastlands
Cobalt Coastlands Gastrodon Alpha Pokemon Locations
Lv. Location Description
61Cobalt Coastlands Seagrass Haven

Where To Find Gastrodon Locations in Pokemon Legends Arceus

List of Locations where you can find and catch Gastrodon in PLA.

Gastrodon has 2 spawn locations in Pokemon Legends Arceus. You can find the Unevolved form Lv. 42 - 44 Gastrodon, within the Seagrass Haven location via Mass Outbreaks.

Obsidian Fieldlands Gastrodon Locations
Pokemon Spawns Location How To Catch
Shellos
Water Type
Lv. 15 - 18
Obsidian Fieldlands
Sandgem Flats
On Land
Very Common
Gastrodon
Water TypeGround Type
Lv. 15 - 33
Obsidian Fieldlands
Sandgem Flats
On Land
Common
Shellos
Water Type
Lv. 26 - 29
Obsidian Fieldlands
Ramanas Island
On Land
Very Common
Gastrodon
Water TypeGround Type
Lv. 26 - 36
Obsidian Fieldlands
Ramanas Island
On Land
Common
Shellos
Water Type
Lv. 27 - 29
Obsidian Fieldlands
Ramanas Island
Mass Outbreaks
Very Common
Gastrodon
Water TypeGround Type
Lv. 38 - 40
Obsidian Fieldlands
Ramanas Island
Mass Outbreaks
Very Common
Cobalt Coastlands Gastrodon Locations
Pokemon Spawns Location How To Catch
Shellos
Water Type
Lv. 26 - 29
Cobalt Coastlands
Seagrass Haven
On Land
Very Common
Gastrodon
Water TypeGround Type
Lv. 26 - 33
Cobalt Coastlands
Seagrass Haven
On Land
Rare
Shellos
Water Type
Lv. 27 - 29
Cobalt Coastlands
Seagrass Haven
Mass Outbreaks
Very Common
Shellos
Water Type
Lv. 31 - 34
Cobalt Coastlands
Tranquility Cove
On Land
Very Common
Gastrodon
Water TypeGround Type
Lv. 42 - 44
Cobalt Coastlands
Seagrass Haven
Mass Outbreaks
Very Common

Pokemon LA Gastrodon Weakness

Gastrodon is a Water and Ground Type pokemon. This will cause Gastrodon to take More Damage from Grass Type Moves, and Less Damage from Steel, Fire, Poison, Rock, Electric Type moves.

Gastrodon Type Weakness
Damage Types
4.0x
More Damage
Grass
2.0x
More Damage
0.5x
Less Damage
Steel
Fire
Poison
Rock
0.25x
Less Damage
Immune to Damage
Electric

What pokemon is Gastrodon Weak Against?

Gastrodon Weak Against
Tier Pokemon
S
Shaymin Sky
Grass Type
Flying Type
S
Shaymin Land
Grass Type
A
Tangrowth
Grass Type
A
Hisuian Decidueye
Grass Type
Fighting Type
B
Torterra
Grass Type
Ground Type

What pokemon is Gastrodon Strong Against?

Gastrodon Strong Against
Tier Pokemon
S
Dialga
Steel Type
Dragon Type
S
Origin Dialga
Steel Type
Dragon Type
S
Heatran
Fire Type
Steel Type
S
Hisuian Goodra
Dragon Type
Steel Type
S
Thundurus
Electric Type
Flying Type

How To Complete Gastrodon Research Tasks in PLA

Research Task Task 1 Task 2 Task 3 Task 4 Task 5 Task 6 Task 7
Number caught1241015
Number of heavy specimens caught125710
Number you've caught without being spotted124610
Number defeated1241015
Times you have seen it use Mud Bomb1382040
Times you've seen it use a strong style move1382040
Number of different forms you've obtained2

Best Gastrodon Moves in Pokemon Legends Arceus

Best Moveset for Gastrodon Lv Up Moves based on Power.

Gastrodon Best Moves
Level Best Moves Type Class Power Acc PP Effect
47
Hydro Pump
Special
165
80 5 The target is blasted by a huge volume of water launched under great pressure.
29
Earth Power
Special
135
100 10 May lower opponent's Special Defense.
21
Mud Bomb
Special
97.5
85 10 May lower opponent's Accuracy.
15
Ancient Power
Special
60
100 5 May raise all user's stats at once.
STAB: (Same Type Attack Bonus) When a Pokemon uses a Move Type that is the Same as the Pokemon's Type, it will receive a 50% Bonus to Power. Moves Affected by this Highlighted in Bold
Red Text
.
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Gastrodon Level Up Moves in PLA

List of Moves Gastrodon can learn by reaching higher levels in Pokemon Legends Arceus. Level Requirements within (#) are the Level you (Master) the move at; this allows you to use the move in Agile and Strong Stance.

Gastrodon Level Up Moves
Level Move Description
1
(9)
Mud-Slap
Ground Type
Power:
30
Acc: 100
PP: 10
Special

Lowers opponent's Accuracy.
5
(14)
Tackle
Normal Type
Power: 40
Acc: 100
PP: 35
Physical

A physical attack in which the user charges and slams into the target with its whole body.
9
(18)
Water Pulse
Water Type
Power:
90
Acc: 100
PP: 20
Special

May confuse opponent.
15
(25)
Ancient Power
Rock Type
Power: 60
Acc: 100
PP: 5
Special

May raise all user's stats at once.
21
(31)
Mud Bomb
Ground Type
Power:
97.5
Acc: 85
PP: 10
Special

May lower opponent's Accuracy.
29
(40)
Earth Power
Ground Type
Power:
135
Acc: 100
PP: 10
Special

May lower opponent's Special Defense.
37
(48)
Recover
Normal Type
Power: —
Acc: —
PP: 10
Status

User recovers half its max HP.
47
(59)
Hydro Pump
Water Type
Power:
165
Acc: 80
PP: 5
Special

The target is blasted by a huge volume of water launched under great pressure.
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Gastrodon Move Shop Attacks in PLA

List of Moves Gastrodon can learn from the Move Shop.

Gastrodon Move Shop Moves
Move Shop Description
Rock Smash
Fighting Type
Power: 40
Acc: 100
PP: 15
Physical

May lower opponent's Defense.
Bulldoze
Ground Type
Power:
90
Acc: 100
PP: 20
Physical

Lowers opponent's Speed.
Rest
Psychic Type
Power: —
Acc: —
PP: 10
Status

User sleeps for 2 turns, but user is fully healed.
Rock Slide
Rock Type
Power: 75
Acc: 90
PP: 10
Physical

May cause flinching.
Water Pulse
Water Type
Power:
90
Acc: 100
PP: 20
Special

May confuse opponent.
Icy Wind
Ice Type
Power: 55
Acc: 95
PP: 15
Special

Lowers opponent's Speed.
Sludge Bomb
Poison Type
Power: 90
Acc: 100
PP: 10
Special

May poison opponent.
Earth Power
Ground Type
Power:
135
Acc: 100
PP: 10
Special

May lower opponent's Special Defense.
Giga Impact
Normal Type
Power: 150
Acc: 90
PP: 5
Physical

User must recharge next turn.
Stone Edge
Rock Type
Power: 100
Acc: 80
PP: 5
Physical

High critical hit ratio.
Hyper Beam
Normal Type
Power: 150
Acc: 90
PP: 5
Special

User must recharge next turn.
Ice Beam
Ice Type
Power: 90
Acc: 100
PP: 10
Special

May freeze opponent.
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Pokemon similar to Gastrodon based on Water Type
Similar Water Pokemon
TIER Pokemon Type Total HP Attack Special Attack Defense Special Defense Speed
S
Origin Palkia-Pokemon-Image
Origin Palkia
WATER-Type DRAGON-Type 680 90 100 150 100 120 120
S
Palkia-Pokemon-Image
Palkia
WATER-Type DRAGON-Type 680 90 120 150 100 120 100
S
Manaphy-Pokemon-Image
Manaphy
WATER-Type 600 100 100 100 100 100 100
A
Gyarados-Pokemon-Image
Gyarados
WATER-Type FLYING-Type 540 95 125 60 79 100 81
A
Empoleon-Pokemon-Image
Empoleon
WATER-Type STEEL-Type 530 84 86 111 88 101 60
Pokemon similar to Gastrodon based on Ground Type
Similar Ground Pokemon
TIER Pokemon Type Total HP Attack Special Attack Defense Special Defense Speed
S
Landorus Therian-Pokemon-Image
Landorus Therian
GROUND-Type FLYING-Type 600 89 145 105 90 80 91
S
Garchomp-Pokemon-Image
Garchomp
DRAGON-Type GROUND-Type 600 108 130 80 95 85 102
S
Landorus-Pokemon-Image
Landorus
GROUND-Type FLYING-Type 600 89 125 115 90 80 101
A
Ursaluna-Pokemon-Image
Ursaluna
NORMAL-Type GROUND-Type 550 130 140 45 105 80 50
A
Rhyperior-Pokemon-Image
Rhyperior
GROUND-Type ROCK-Type 535 115 140 55 130 55 40
List of Pokemon based on Type
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