Pokemon Legends Arceus Shellos is a Water Type Sea Slug Pokémon with a Medium Fast growth rate and a 1 HP EV Yield. Shellos can be found with Sticky Hold, Storm Drain and Sand Force as an Ability; we recommend the Sassy Nature, based on 325 total combined Base Stats in PLA.
Shellos Stats and Abilities
Based on Shellos Base IVs we consider this pokemon F-Tier choice. Shellos Highest IV Stat is Special Defense (62) and the Lowest being Speed (34).
Rank | Stat | Value |
---|---|---|
E | HP | 76 |
F | Attack | 48 |
F | Defense | 48 |
E | Special Attack | 57 |
E | Special Defense | 62 |
F | Speed | 34 |
F | Total | 325 |
Shellos | Detail |
---|---|
Best Nature | Sassy ↑ +10% Special Defense↓ -10% Speed |
Liked Foods | |
Caught in the Wild Held Item Chance | 15% Ball of Mud ![]() 30% Nanab Berry ![]() |
Catch Rate | 190 (24.8% with PokéBall, full HP) |
Egg Groups | ![]() ![]() |
Abilities | Description |
---|---|
Ability 1 | Sticky Hold Sticky Hold prevents held items from being taken or switched. |
Ability 2 | Storm Drain Storm Drain forces all single-target Water-type moves - used by any other Pokémon on the field - to target this Pokémon, and with 100% accuracy. The ability is most useful in double/triple battles. |
Hidden Ability | Sand Force Sand Force raises the power of Ground, Rock and Steel type moves by 30% during a sandstorm. |
How To Evolve Shellos in Pokemon Legends Arceus
Shellos requires (Level 30) to evolve into Gastrodon.
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 |

Where To Find Shellos Locations in Pokemon Legends Arceus
List of Locations where you can find and catch Shellos in PLA.
Shellos 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.



Pokemon Spawns | Location | How To Catch |
---|---|---|
![]() Shellos Lv. 15 - 18 | On Land Very Common ![]() ![]() ![]() | |
![]() Gastrodon Lv. 15 - 33 | On Land Common ![]() ![]() ![]() | |
![]() Shellos Lv. 26 - 29 | On Land Very Common ![]() ![]() ![]() | |
![]() Gastrodon Lv. 26 - 36 | On Land Common ![]() ![]() ![]() | |
![]() Shellos Lv. 27 - 29 | Very Common ![]() ![]() ![]() | |
![]() Gastrodon Lv. 38 - 40 | Very Common ![]() ![]() ![]() |



Pokemon Spawns | Location | How To Catch |
---|---|---|
![]() Shellos Lv. 26 - 29 | On Land Very Common ![]() ![]() ![]() | |
![]() Gastrodon Lv. 26 - 33 | On Land Rare ![]() ![]() ![]() | |
![]() Shellos Lv. 27 - 29 | Very Common ![]() ![]() ![]() | |
![]() Shellos Lv. 31 - 34 | On Land Very Common ![]() ![]() ![]() | |
![]() Gastrodon Lv. 42 - 44 | Very Common ![]() ![]() ![]() |

Pokemon LA Shellos Weakness
Shellos is a Water Type pokemon. This will cause Shellos to take More Damage from Grass, Electric Type Moves, and Less Damage from Steel, Fire, Water, Ice Type moves.
Damage | Types |
---|---|
4.0x More Damage | |
2.0x More Damage | ![]() ![]() |
0.5x Less Damage | ![]() ![]() ![]() ![]() |
0.25x Less Damage | |
Immune to Damage |
What pokemon is Shellos Weak Against?
Tier | Pokemon |
---|---|
S | |
S | |
S | |
S | |
A |
What pokemon is Shellos Strong Against?
Tier | Pokemon |
---|---|
S | |
S | |
S | |
S | |
S |

How To Complete Shellos Research Tasks in PLA
Research Task | Task 1 | Task 2 | Task 3 | Task 4 | Task 5 | Task 6 | Task 7 |
---|---|---|---|---|---|---|---|
Number caught | 1 | 3 | 6 | 12 | 25 | ||
Number of small specimens caught | 1 | 2 | 3 | 4 | 5 | ||
Number you've caught without being spotted | 1 | 2 | 4 | 6 | 10 | ||
Number defeated | 1 | 2 | 4 | 10 | 15 | ||
Times you have seen it use Water Pulse | 1 | 3 | 6 | 12 | 25 | ||
Times you've given it food | 1 | 2 | 4 | 6 | 8 | ||
Number of different forms you've obtained | 2 |

Best Shellos Moves in Pokemon Legends Arceus
Best Moveset for Shellos Lv Up Moves based on Power.
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 | 90 | 100 | 10 | May lower opponent's Special Defense. |
21 | Mud Bomb | ![]() | Special | 65 | 85 | 10 | May lower opponent's Accuracy. |
15 | Ancient Power | ![]() | Special | 60 | 100 | 5 | May raise all user's stats at once. |
Shellos Level Up Moves in PLA
List of Moves Shellos 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.
Level | Move | Description |
---|---|---|
1 (9) | Power: 20 Acc: 100 PP: 10 ![]() Lowers opponent's Accuracy. | |
5 (14) | Power: 40 Acc: 100 PP: 35 ![]() A physical attack in which the user charges and slams into the target with its whole body. | |
9 (18) | Power: 90 Acc: 100 PP: 20 ![]() May confuse opponent. | |
15 (25) | Power: 60 Acc: 100 PP: 5 ![]() May raise all user's stats at once. | |
21 (31) | Power: 65 Acc: 85 PP: 10 ![]() May lower opponent's Accuracy. | |
29 (40) | Power: 90 Acc: 100 PP: 10 ![]() May lower opponent's Special Defense. | |
37 (48) | Power: — Acc: — PP: 10 ![]() User recovers half its max HP. | |
47 (59) | Power: 165 Acc: 80 PP: 5 ![]() The target is blasted by a huge volume of water launched under great pressure. |
Shellos Move Shop Attacks in PLA
List of Moves Shellos can learn from the Move Shop.
Move Shop | Description |
---|---|
Power: — Acc: — PP: 10 ![]() User sleeps for 2 turns, but user is fully healed. | |
Power: 90 Acc: 100 PP: 20 ![]() May confuse opponent. | |
Power: 55 Acc: 95 PP: 15 ![]() Lowers opponent's Speed. | |
Power: 90 Acc: 100 PP: 10 ![]() May lower opponent's Special Defense. | |
Power: 90 Acc: 100 PP: 10 ![]() May freeze opponent. |

TIER | Pokemon | Type | Total | HP | Attack | Special Attack | Defense | Special Defense | Speed |
---|---|---|---|---|---|---|---|---|---|
S | ![]() Origin Palkia | ![]() ![]() | 680 | 90 | 100 | 150 | 100 | 120 | 120 |
S | ![]() Palkia | ![]() ![]() | 680 | 90 | 120 | 150 | 100 | 120 | 100 |
S | ![]() Manaphy | ![]() | 600 | 100 | 100 | 100 | 100 | 100 | 100 |
A | ![]() Gyarados | ![]() ![]() | 540 | 95 | 125 | 60 | 79 | 100 | 81 |
A | ![]() Empoleon | ![]() ![]() | 530 | 84 | 86 | 111 | 88 | 101 | 60 |







































