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	Move	Type	Category	Base Power	Accuracy	PP
1	Mud-Slap	Ground	Special	20	100	10
1	Water Gun	Water	Special	40	100	25
2	Mud Sport	Ground	Status	—	—	15
5	Harden	Normal	Status	—	—	30
10	Recover	Normal	Status	—	—	10
11	Mud Bomb	Ground	Special	65	85	10
15	Water Pulse	Water	Special	60	100	20
16	Hidden Power	Normal	Special	60	100	15
20	Ancient Power	Rock	Special	60	100	5
25	Body Slam	Normal	Physical	80	100	15
31	Muddy Water	Water	Special	90	85	10
35	Earth Power	Ground	Special	90	100	10
40	Rain Dance	Water	Status	—	—	5
45	Memento	Dark	Status	—	100	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.

TMs and HMs

TM		Move	Type	Category	Base Power	Accuracy	PP
TM210		Amnesia	Psychic	Status	—	—	20
TM93		Attract	Normal	Status	—	100	15
TM14		Blizzard	Ice	Special	110	70	5
TM08		Body Slam	Normal	Physical	80	100	15
TM88		Brine	Water	Special	65	100	10
TM83		Bulldoze	Ground	Physical	60	100	20
TM79		Captivate	Normal	Status	—	100	20
TM181		Chilling Water	Water	Special	50	100	20
TM330		Confide	Normal	Status	—	—	20
TM77		Curse	Ghost	Status	—	—	10
TM32		Double Team	Normal	Status	—	—	15
TM313		Earth Power	Ground	Special	90	100	10
TM51		Endure	Normal	Status	—	—	10
TM92		Facade	Normal	Physical	70	100	20
TM131		Frustration	Normal	Physical	—	100	20
TM57		Hail	Ice	Status	—	—	10
TM200		Helping Hand	Normal	Status	—	—	20
TM60		Hidden Power	Normal	Special	60	100	15
TM316		Hydro Pump	Water	Special	110	80	5
TM13		Ice Beam	Ice	Special	90	100	10
TM106		Icy Wind	Ice	Special	55	95	15
TM161		Infestation	Bug	Special	20	100	20
TM303		Liquidation	Water	Physical	85	100	16
TM187		Mud Shot	Ground	Special	55	95	15
TM109		Mud-Slap	Ground	Special	20	100	10
TM327		Muddy Water	Water	Special	90	85	10
TM136		Natural Gift	Normal	Physical	—	100	15
TM236		Pain Split	Normal	Status	—	—	20
TM67		Protect	Normal	Status	—	—	10
TM68		Rain Dance	Water	Status	—	—	5
TM44		Rest	Psychic	Status	—	—	10
TM130		Return	Normal	Physical	—	100	20
TM48		Rock Slide	Rock	Physical	75	90	10
TM89		Rock Tomb	Rock	Physical	60	95	15
TM270		Round	Normal	Special	60	100	15
TM87		Sandstorm	Ground	Status	—	—	10
TM105		Scald	Water	Special	80	100	15
TM133		Secret Power	Normal	Physical	70	100	20
TM248		Skitter Smack	Bug	Physical	70	90	10
TM138		Sleep Talk	Normal	Status	—	—	10
TM121		Snore	Normal	Special	50	100	15
TM192		Snowscape	Ice	Status	—	—	10
TM150		Stealth Rock	Rock	Status	—	—	20
TM149		Stone Edge	Rock	Physical	100	80	5
TM50		Substitute	Normal	Status	—	—	16
TM124		Swagger	Normal	Status	—	90	15
TM09		Take Down	Normal	Physical	90	85	20
TM214		Tera Blast	Normal	Special	80	100	10
TM06		Toxic	Poison	Status	—	90	10
TM128		Water Pulse	Water	Special	60	100	20
TM240		Whirlpool	Water	Special	35	85	15
HM06		Dive	Water	Physical	80	100	10
HM03		Surf	Water	Special	90	100	15
HM07		Waterfall	Water	Physical	80	100	15

* 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.

Move Tutors

Move	Type	Category	Base Power	Accuracy	PP
Ancient Power	Rock	Special	60	100	5
Dive	Water	Physical	80	100	10
Earth Power	Ground	Special	90	100	10
Headbutt	Normal	Physical	70	100	15
Icy Wind	Ice	Special	55	95	15
Mud-Slap	Ground	Special	20	100	10
Pain Split	Normal	Status	—	—	20
Skitter Smack	Bug	Physical	70	90	10
Sleep Talk	Normal	Status	—	—	10
Snore	Normal	Special	50	100	15
String Shot	Bug	Status	—	95	40
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.
• Refer to the Move Tutors article for tutorship information for all moves hereon.

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.

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