Mixed
Balanced
DTier
34Speed · Very Slow

Shellos Best Moveset

Water at 57 Sp. Atk and 34 Speed with AbilityStorm Drain redirecting Water moves and boosting Sp. Atk. The redirect has niche value in doubles. The moveset is pre-evolution filler. Evolve to Gastrodon for 111 HP and the Water/Ground defensive profile with Storm Drain.

SABCDEFEFFEEEDiamond, Pearl & PlatinumIVDP/PtPEAKBlack & White / B2W2VBW/B2W2THE FALLX & Y / ORASVIXY/ORASSun & Moon / USUMVIISM/USUMTHE RISESword & Shield / BDSPVIIISS/BDSPScarlet & Violet / Legends Z-AIXSV/LZACURRENT
★Gen IV — Diamond, Pearl & PlatinumE

Shellos saw minimal competitive use in Gen IV (Diamond, Pearl & Platinum). This was Shellos's competitive peak. Its most popular set ran Stormdrain with Choice Scarf, favoring a Timid nature.

Physical/Special split overhauled move damage

Best Moves

SRCMOVETYPECATPWRPOPROLE
HM3
Surf
Water90COMMONSTAB
Tutor
Earth Power
Ground90COMMONCoverage
TM13
Ice Beam
Ice90COMMONCoverage
Lv 16
Hidden Power (Grass)
Grass60COMMONCoverage
Shellos Diamond & Pearl MovesShellos Platinum Moves

Best Build

Experimental
Special Revenge Killer
Ability
Storm Drain
Item
Choice ScarfSPEED
Best Nature for Shellos
Timid+SPE

Shellos best EVs are Speed and Sp. Atk

EVs

Special Revenge Killer Moveset

  • SurfSTAB
  • Earth Power
  • Ice Beam
  • Hidden Power Grass

Recommended Teammates

Gligar
GligarGood
Hippopotas
HippopotasGood
Munchlax
MunchlaxGood
↓Gen V — Black & White / B2W2F

Shellos was a niche pick at best in Gen V (Black & White / B2W2), rarely seen in standard play. This was a decline from E-Tier in the previous generation. Its most popular set ran Stormdrain with Eviolite, favoring a Bold nature.

Gained Sand Force as hidden abilityHidden Abilities became available
SRCMOVETYPECATPWRPOPROLE
TM6
Toxic
Poison—POPULARUtility
TM55
Scald
Water80POPULARSTAB
Lv 46
Recover
Normal—POPULARRecovery
TM17
Protect
Normal—COMMONPriority
Tutor
Earth Power
Ground90COMMONCoverage
Shellos Black & White MovesShellos Black 2 & White 2 Moves
Experimental
Wall
Ability
Storm Drain
Item
EvioliteBULK
Best Nature for Shellos
Bold+DEF
EVs

Wall Moveset

  • ToxicUtility
  • ScaldSTAB
  • RecoverRecovery
  • ProtectFAST +4

Recommended Teammates

Zweilous
ZweilousExcellent
Stunfisk
StunfiskExcellent
Simisage
SimisageExcellent
→Gen VI — X & Y / ORASF

Shellos was a niche pick at best in Gen VI (X & Y / ORAS), rarely seen in standard play. Shellos maintained its position from the previous generation. Its most popular set ran sticky hold with Eviolite, favoring a Adamant nature.

Fairy type added to the gameMega Evolution became available
SRCMOVETYPECATPWRPOPROLE
HM3
Surf
Water90POPULARSTAB
Lv 37
Muddy Water
Water90POPULARSTAB
TM17
Protect
Normal—POPULARPriority
HM7
Dive
Water80POPULARSTAB
Shellos X & Y MovesShellos ORAS Moves
Experimental
Physical Attacker
Ability
Sticky Hold
Item
EvioliteBULK
Best Nature for Shellos
Adamant+ATK
EVs

Physical Attacker Moveset

  • SurfSTAB
  • Muddy WaterSTAB
  • ProtectPriority
  • DiveSTAB
↑Gen VII — Sun & Moon / USUME

Shellos saw minimal competitive use in Gen VII (Sun & Moon / USUM). Shellos climbed from F-Tier as the competitive landscape shifted. Its most popular set ran Stickyhold with Eviolite, favoring a Calm nature.

Z-Moves became available
SRCMOVETYPECATPWRPOPROLE
TM6
Toxic
Poison—COMMONUtility
Egg
Clear Smog
Poison50COMMONCoverage
Lv 46
Recover
Normal—COMMONRecovery
TM94
Surf
Water90COMMONSTAB
Egg
Mirror Coat
Psychic—RARECoverage
Egg
Counter
Fighting—RARECoverage
Shellos Sun & Moon MovesShellos Ultra Sun & Ultra Moon Moves
Experimental
Wall
Ability
Sticky Hold
Item
EvioliteBULK
Best Nature for Shellos
Calm+SPD
EVs

Wall Moveset

  • ToxicUtility
  • Clear Smog
  • RecoverRecovery
  • SurfSTAB

Recommended Teammates

Muk
MukGood
Gurdurr
GurdurrGood
Bouffalant
BouffalantDecent
→Gen VIII — Sword & Shield / BDSPE

Shellos saw minimal competitive use in Gen VIII (Sword & Shield / BDSP). Shellos maintained its position from the previous generation. Its most popular set ran Stormdrain with Eviolite, favoring a Hardy nature.

Gigantamax became availableDynamax became available
SRCMOVETYPECATPWRPOPROLE
Lv 20
Ancient Power
Rock60POPULARCoverage
Egg
Counter
Fighting—POPULARCoverage
TR5
Ice Beam
Ice90POPULARCoverage
Egg
Mirror Coat
Psychic—POPULARCoverage
Shellos Sword & Shield MovesShellos BDSP Moves
Experimental
Special Tank
Ability
Storm Drain
Item
EvioliteBULK
Best Nature for Shellos
HardyNEUTRAL
EVs

Special Tank Moveset

  • Ancient Power
  • CounterSLOW -5Coverage
  • Ice Beam
  • Mirror Coat

Recommended Teammates

Crobat
CrobatExcellent
Heracross
HeracrossExcellent
Walrein
WalreinExcellent
→Gen IX — Scarlet & Violet / Legends Z-AE

Shellos saw minimal competitive use in Gen IX (Scarlet & Violet / Legends Z-A). Shellos maintained its position from the previous generation. Its most popular set ran Stickyhold with Eviolite, favoring a Calm nature.

Terastallization became available
SRCMOVETYPECATPWRPOPROLE
Egg
Mirror Coat
Psychic—POPULARCoverage
TM116
Stealth Rock
Rock—POPULARUtility
Lv 10
Recover
Normal—POPULARRecovery
Egg
Counter
Fighting—COMMONCoverage
Egg
Clear Smog
Poison50COMMONCoverage
Shellos Scarlet & Violet MovesShellos Legends Z-A Moves
Experimental
Wall
Ability
Sticky Hold
Item
EvioliteBULK
Best Nature for Shellos
Calm+SPD
EVs

Wall Moveset

  • Mirror Coat
  • Stealth Rock
  • RecoverRecovery
  • CounterSLOW -5Coverage

Recommended Teammates

Mightyena
MightyenaExcellent
Mesprit
MespritExcellent
Froslass
FroslassExcellent

Shellos Weakness

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

What is Shellos Weak Against

Good
2Weak
4Resist
1Immune
Score0
4xCritical
None
2xWeak
ElectricGrass
½xResist
FireWaterIceSteel
¼xResist
None
0xImmune
Water

What is Shellos Strong Against

3Strong
3Resisted
0Immune
Score0
2xStrong
FireGroundRock
½xResisted
WaterGrassDragon
0xImmune
None

Best Pokemon Against Shellos

Mienfoo deals 39-46% with High Jump Kick.

Evolution

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
Shellos
#422Shellos
30
Level 30
Gastrodon
#423Gastrodon
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
325D-Tier
475C-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
AmorphousWater 1
Gender
♂50.0%♀50.0%
Hatch Time
20 cycles·5,140 steps
Quick~5 min with Flame Body
Breed With (best first)
azumarillgardevoirgalladeblastoisegolduckferaligatrkingdraswampertslowbroslowkingoctilleryludicolo
12 of 63·

How to Get Shellos

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.

Where To Catch Shellos in SV

To get Shellos, start by catching Shellos through walking encounters at Lv. 16-55. The chain covers 2 catchable stages before reaching the final form.

  1. Shellos
    Step 1Shellos ✓
    East Province (Area One) - Beach
    Lv.16-34Overworld
    Rate 36%
    East Sea
    North Province (Area One) - Beach
    Lv.16-34Overworld
    Rate 36%
    East Sea
    South Province (Area Five) - Beach
    Lv.16-34Overworld
    Rate 36%
    East Sea
    West Province (Area Two) - Beach
    Lv.16-34Overworld
    Rate 36%
    West Sea
    Casseroya Lake - Beach
    Lv.30-55Overworld
    Rate 8%
    West Sea
  2. Gastrodon
    Step 2Catch or Evolve into Gastrodon
    Casseroya Lake - Beach
    Lv.30-55Overworld
    Rate 8%
    West Sea
    East Province (Area One) - Beach
    Lv.30-49Overworld
    Rate 8%
    East Sea
    North Province (Area One) - Beach
    Lv.30-49Overworld
    Rate 8%
    East Sea
    South Province (Area Five) - Beach
    Lv.30-49Overworld
    Rate 8%
    East Sea
    West Province (Area Two) - Beach
    Lv.30-55Overworld
    Rate 8%
    West Sea
    or evolve from Shellos (Step 1)

Base Stats

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
1'00"Tiny
Weight6.3 kg
13.9 lbsFeather
Base XP65
Low Yield
Abilities
Sticky Hold
Prevents a held item from being removed by other Pokémon.
Storm Drain
Redirects single-target water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.
Sand ForceHidden Ability
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 Entry

It oozes a purple fluid to deter enemies. Apparently, there are more West Sea Shellos now than there were in the past.

Pokemon Violet

Shellos Guide

  • 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.

Game Availability

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.

Click a game to view version-specific details

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