Shellos

#421

#422  -  Shellos

#423

#422	Shellos
Types Water	Generation   IV
Abilities Ability 1 Sticky Hold Ability 2 Storm Drain Hidden Ability Sand Force
Rarity Tier   Uncommon	Catch rate   190/255 (24.84%)
Base stats HP 76 Atk 48 Def 48 Sp.Atk 57 Sp.Def 62 Spd 34 Base-stat total: 325
EV Yield HP 1 Atk 0 Def 0 Sp.Atk 0 Sp.Def 0 Spd 0 EV-yield total: 1
Base Experience   73	Gender Ratio     50%     50%
Height   0.3m	Weight   6.3kg

Shellos is a Water type Pokémon.

It evolves into Gastrodon upon reaching level 30.

Obtainability

Spawn Information Temporarily Unavailable

Since 17 July 2026, the public Spawn Dump Page has been temporarily disabled and will remain unavailable for an indefinite period.

Because the Pokémon Revolution Online Wiki relied on this data source, it is currently unable to display spawn locations.

For the time being, please rely on the in-game spawn information instead. Spawn information will return once a public data source becomes available again.

Bosses

{{BossRewardedPokemon|Contents=

Misty Route 40 20 Officer Jenny Pinkan Island 20

Excavation

Site	Levels	Time period	Required discovery points	Rarity
Briny Site	15-25	N/A	2,000	Rare

Moves

Level Up

Level	Moves	Type	Category	Base Power	Accuracy	PP
1	Mud-Slap	Ground	Special	20	100	10
2	Mud Sport	Ground	Status	—	—	15
4	Harden	Normal	Status	—	—	30
7	Water Pulse	Water	Special	60	100	20
11	Mud Bomb	Ground	Special	65	85	10
16	Hidden Power	Normal	Special	60	100	15
22	Rain Dance	Water	Status	—	—	5
29	Body Slam	Normal	Physical	80	100	15
37	Muddy Water	Water	Special	90	85	10
46	Recover	Normal	Status	—	—	10
Emboldened moves denote this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. All moves subsumed on this list are relearnable via the Move Relearners if lost.

Egg Moves

Move	Type	Category	Base Power	Accuracy	PP
Acid Armor	Poison	Status	—	—	20
Amnesia	Psychic	Status	—	—	20
Brine	Water	Special	65	100	10
Clear Smog	Poison	Special	50	—	15
Counter	Fighting	Physical	—	100	20
Curse	Ghost	Status	—	—	10
Fissure	Ground	Physical	—	30	5
Memento	Dark	Status	—	100	10
Mirror Coat	Psychic	Special	—	100	20
Mist	Ice	Status	—	—	30
Sludge	Poison	Special	65	100	20
Spit Up	Normal	Special	—	100	10
Stockpile	Normal	Status	—	100	—
Swallow	Normal	Status	—	—	10
Trump Card	Normal	Special	—	100	5
Yawn	Normal	Status	—	—	10
Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. For more information on egg-move-tutors, refer to: Egg Moves.

TMs and HMs

TM		Moves	Type	Category	Base Power	Accuracy	PP
	TM06	Toxic	Poison	Status	—	90	10
	TM13	Ice Beam	Ice	Special	90	100	10
	TM14	Blizzard	Ice	Special	110	70	5
	TM32	Double Team	Normal	Status	—	—	15
	TM44	Rest	Psychic	Status	—	—	10
	TM50	Substitute	Normal	Status	—	—	16
	TM51	Endure	Normal	Status	—	—	10
	TM57	Hail	Ice	Status	—	—	10
	TM60	Hidden Power	Normal	Special	60	100	15
	TM67	Protect	Normal	Status	—	—	10
	TM68	Rain Dance	Water	Status	—	—	5
	TM92	Facade	Normal	Physical	70	100	20
	TM105	Scald	Water	Special	80	100	15
	TM130	Return	Normal	Physical	—	100	20
	TM138	Sleep Talk	Normal	Status	—	—	10
	HM03	Surf	Water	Special	90	100	15
	HM06	Dive	Water	Physical	80	100	10
Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. Refer to TMs and HMs for information on each move's obtainability.

TM Tutors

Move	Type	Category	Base Power	Accuracy	PP
Frustration	Normal	Physical	—	100	20
Infestation	Bug	Special	20	100	20
Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. Read to the move tutors article for tutorship information for all moves hereon.

Move Tutors

Move	Type	Category	Base Power	Accuracy	PP
Ancient Power	Rock	Special	60	100	5
Earth Power	Ground	Special	90	100	10
Headbutt	Normal	Physical	70	100	15
Icy Wind	Ice	Special	55	95	15
Pain Split	Normal	Status	—	—	20
Snore	Normal	Special	50	100	15
Water Pulse	Water	Special	60	100	20
Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. Read to the move tutors article for tutorship information for all moves hereon.

Type Effectiveness

Under normal battle conditions, this Pokémon is:
2× Weak to	Electric Grass Shadow
1× Neutral to	Normal Fighting Poison Ground Flying Psychic Bug Rock Ghost Dragon Dark Fairy
½× Resistant to	Fire Water Ice Steel

Notes
Storm Drain grants an immunity to Water

Special Counterparts

• Shiny Shellos
  Shiny Shellos
• 
  Easter Shellos