Physical
Balanced
34Speed · Very Slow

Nothing fancy in Shellos's spread. It leans mixed with HP out front. And you'll get 1 HP EV per KO for it. Follows a medium-fast 1M XP curve.

Base Stats
Avg
HP76
C
Attack48
D
Defense48
D
Sp. Atk57
D
Sp. Def62
C
Speed34
F
Total325
Details
Catch Rate
Easy190 / 255
Growth Rate
Medium Fast1M XP
Height0.3 m
Weight6.3 kg
Base XP65
Abilities
Sticky HoldTop Pick
Prevents a held item from being removed by other Pokémon.
Storm DrainRare
Redirects single-target water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.
Sand ForceHA
Strengthens rock, ground, and steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.
Storm Drain grants Water immunity
EV Yield
HP+1AtkDefSpASpDSpe
HP training source
Pokedex Entries

It used to have a shell on its back long ago. This species is closely related to Pokémon like Shellder.

Type-wise, Shellos takes extra damage from Electric and Grass. The Water typing picks up 4 resistances to work with. Storm Drain grants an additional Water immunity, reshaping the matchup chart.

Shellos Weakness and Resistance Chart
DamageTypes
2x (Weak)Electric, Grass
0.5x (Resist)Fire, Water, Ice, Steel
Type ChartGood
2Weak
4Resist
1Immune
Score0
4xCritical
None
¼xResist
None
0xImmune
How to Beat Shellos (Best Counters)

Jolteon can KO Shellos with Thunderbolt (98-115%).

Jolteon
Jolteon
Electric
A
Recommended Build
AbilityVoltabsorb
ItemChoice Specs
NatureTimid
Moves
  • ThunderboltSTAB
  • Volt Switch
  • Alluring Voice
  • Shadow Ball
Damage vs Shellos
Thunderbolt 2x
98-115%KO
Volt Switch 2x
76-90%
Shadow Ball
29-34%
View Jolteon builds →

Shellos is the base form in a two-stage line leading to Gastrodon. Check the evolution method below. Plenty of partners for breeding via two egg groups. Eggs are average hatch time. Evolving adds up to 150 stat points total. View every chain in the Evolution Chart.

How to Evolve

2 Forms
Stat Comparison 2 Stages
Shellos
Water
Gastrodon
WaterGround
HP
76
111+35
ATK
48
83+35
DEF
48
68+20
SP.ATK
57
92+35
SP.DEF
62
82+20
SPE
34
39+5
BST
325C-Tier
475B-Tier+150
ROLE
Balanced
Trick Room
TYPE
Utility
Mixed

Breeding

Very Easy

Breed Shellos easily with 63 breeding partners from the Indeterminate and Water1 egg groups.

Egg Groups
IndeterminateWater1
Gender
50.0%50.0%
Hatch Time
20 cycles·5,140 steps
Quick~5 min with Flame Body
Breed With (best first)
azumarillgardevoirgalladeblastoisegolduckferaligatrkingdraswampertslowbroslowkingoctilleryludicolo

The build centers on Stealth Rock and survivability. Eviolite means a bulk boost that only works before full evolution, and spread EVs give Shellos the bulk to set up repeatedly. Stickyhold adds another layer of staying power. Recover keeps it healthy between hits.

Best Build

All 13 games
Solid pick
Ability
Sticky Hold
Item
EvioliteBULK
Best Nature for Shellos
Bold+DEF

Shellos best EVs are Sp. Def and Defense

EVs

Hazard Setter Moveset

  • RecoverRecovery
  • Stealth Rock
  • Earth Power
  • SurfSTAB

Recommended Teammates

Moves

All 13 games

Most of Shellos's flexibility comes from TMs. Same-type output runs through Hydro Pump and Muddy Water, but Ground and Rock and the rest of the TM pool push it from predictable to genuinely threatening.

Level-Up Moves

Lv 1
Mud-Slap
D2010010Ground
Lv 1
Water Gun
D4010025Water
Lv 5
Harden
D30Normal
Lv 10
Recover
S5Normal
Lv 15
Water Pulse
D6010020Water
Lv 20
Ancient Power
D601005Rock
Lv 25
Body Slam
D8510015Normal
Lv 31
Muddy Water
C908510Water
Lv 35
Earth Power
S9010010Ground
Lv 40
Rain Dance
C5Water
Lv 45
Memento
C10010Dark

TM Moves

TM
TM128
Amnesia
B20Psychic
TM143
Blizzard
D110705Ice
TM66
Body Slam
D8510015Normal
TM28
Bulldoze
D6010020Ground
TM22
Chilling Water
D5010020Water
TM224
Curse
A10Ghost
TM133
Earth Power
S9010010Ground
TM47
Endure+4
C10Normal
TM25
Facade
D7010020Normal
TM130
Helping Hand+5
C20Normal
TM142
Hydro Pump
A110805Water
TM135
Ice Beam
B9010010Ice
TM34
Icy Wind
A559515Ice
TM110
Liquidation
A8510010Water
TM35
Mud Shot
D559515Ground
TM05
Mud-Slap
D2010010Ground
TM209
Muddy Water
C908510Water
TM202
Pain Split
C20Normal
TM07
Protect+4
C10Normal
TM50
Rain Dance
C5Water
TM85
Rest
C5Psychic
TM86
Rock Slide
D759010Rock
TM36
Rock Tomb
D609515Rock
TM51
Sandstorm
C10Rock
TM219
Skitter Smack
D709010Bug
TM70
Sleep Talk
C10Normal
TM52
Snowscape
C10Ice
TM116
Stealth Rock
S20Rock
TM150
Stone Edge
D100805Rock
TM103
Substitute
C10Normal
TM123
Surf
A9010015Water
TM01
Take Down
D908520Normal
TM171
Tera Blast
D8010010Normal
TM11
Water Pulse
D6010020Water
TM77
Waterfall
D8010015Water
TM208
Whirlpool
D358515Water

Egg Moves

Shellos doesn't have any Egg moves

Tutor Moves

Shellos can't learn any Tutor moves
All 13 games

Easy grab on Shellos with high spawn rates across 10 locations in mid-game routes. The sorted list below shows the full spread so you can pick the most convenient spot.

Best Locations to Catch Shellos in Scarlet & Violet

Which version you're playing matters for Shellos. 10 walking spots at Lv. 16-55 spread across Scarlet and Violet, and some routes only appear in one cartridge. Check the version badges below.

East Province (Area One) - Beach
ScarletOverworld Lv.16-34 Route
36%Mid
East Sea
East Province (Area One) - Beach
VioletOverworld Lv.16-34 Route
36%Mid
East Sea
North Province (Area One) - Beach
VioletOverworld Lv.16-34 Route
36%Mid
East Sea
North Province (Area One) - Beach
ScarletOverworld Lv.16-34 Route
36%Mid
East Sea
South Province (Area Five) - Beach
VioletOverworld Lv.16-34 Route
36%Mid
East Sea
South Province (Area Five) - Beach
ScarletOverworld Lv.16-34 Route
36%Mid
East Sea
West Province (Area Two) - Beach
VioletOverworld Lv.16-34 Route
36%Mid
West Sea
West Province (Area Two) - Beach
ScarletOverworld Lv.16-34 Route
36%Mid
West Sea
Casseroya Lake - Beach
ScarletOverworld Lv.30-55 Water
8%Mid
West Sea
Casseroya Lake - Beach
VioletOverworld Lv.30-55 Water
8%Mid
West Sea
  • Shellos evolves into Gastrodon at level 30. One evolution, no branching. Solid jump from 325 BST.

  • Shellos evolves into Gastrodon at level 30. Takes some grinding. Plan your team around the mid-game wait.

  • For a casual playthrough, Shellos works as a placeholder. Water coverage is useful early. The real payoff is Gastrodon. That's where the stats start mattering.

  • Shellos is catchable across 13 games. Debuted in Scarlet & Violet and most recently available in Platinum and HeartGold & SoulSilver.

Debuting in Diamond & Pearl, Shellos appears in 13 games across 7 generations. A reliable presence in a solid number of games, typically found through catching or hatching as a base form.

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