Shellder

#171 in the HeartGold & SoulSilver Pokédex • Bivalve Pokémon

Shellder

#171 in the HeartGold & SoulSilver Pokédex • Bivalve Pokémon

Stats

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

170

264

Attack

121

251

Defense

100

184

328

Sp. Atk

207

Sp. Def

163

Speed

196

Total

305

Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.

Muk

Cloyster

Normal

Shiny

Shellder

Bivalve Pokémon

#171

Height

0.3 m (1'00")

Weight

4 kg (8.8 lbs)

Abilities

Shell Armor Skill Link

It's Super Effective

Damage multipliers Shellder takes from each attacking type, sorted from worst weakness to best resistance.

Weak to

2×

2×

Resists

0.5×

0.5×

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.

Pokédexes	Updated Johto #171
EV yield	1 Def
Catch rate	190
Base Exp.	61

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg Groups	Water 3
Gender	50% male 50% female
Egg cycles	20 (5,120 steps)

Lore

Version-specific Pokédex entries for this Pokémon.

HeartGold

It swims facing backward by opening and closing its two-piece shell. It is surprisingly fast.

SoulSilver

Grains of sand trapped in its shells mix with its body fluids to form beautiful pearls.

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Shellder #171	Use Water Stone	Cloyster #172

Encounters

Known encounter locations for this Pokémon in this game.

HeartGold

Location	Method	Level	Chance	Conditions
New Bark Town	Fishing with a Good Rod	20	10%	-
New Bark Town	Fishing with a Super Rod	40	30%	-
Sea Route 41 Road 41	Fishing with a Good Rod	20	10%	-
Sea Route 41 Road 41	Fishing with a Super Rod	40	30%	-
Route 47 Road 47	Fishing with a Good Rod	20	10%	-
Route 47 Road 47	Fishing with a Super Rod	40	30%	-
Sea Route 20 Road 20	Fishing with a Good Rod	20	10%	-
Sea Route 20 Road 20	Fishing with a Super Rod	40	30%	-
Cinnabar Island	Fishing with a Good Rod	20	10%	-
Cinnabar Island	Fishing with a Super Rod	40	30%	-
Vermilion City	Fishing with a Good Rod	20	10%	-
Vermilion City	Fishing with a Super Rod	40	30%	-
Pallet Town	Fishing with a Good Rod	20	10%	-
Pallet Town	Fishing with a Super Rod	40	30%	-
Route 26 Road 26	Fishing with a Good Rod	20	10%	-
Route 26 Road 26	Fishing with a Super Rod	40	30%	-
Route 27 Road 27	Fishing with a Good Rod	20	10%	-
Route 27 Road 27	Fishing with a Super Rod	40	30%	-
Sea Route 21 Road 21	Fishing with a Good Rod	20	10%	-
Sea Route 21 Road 21	Fishing with a Super Rod	40	30%	-
Vermilion City S.S. Anne dock	Fishing with a Good Rod	20	10%	-
Vermilion City S.S. Anne dock	Fishing with a Super Rod	40	30%	-

SoulSilver

Location	Method	Level	Chance	Conditions
New Bark Town	Fishing with a Good Rod	20	10%	-
New Bark Town	Fishing with a Super Rod	40	30%	-
Sea Route 41 Road 41	Fishing with a Good Rod	20	10%	-
Sea Route 41 Road 41	Fishing with a Super Rod	40	30%	-
Route 47 Road 47	Fishing with a Good Rod	20	10%	-
Route 47 Road 47	Fishing with a Super Rod	40	30%	-
Sea Route 20 Road 20	Fishing with a Good Rod	20	10%	-
Sea Route 20 Road 20	Fishing with a Super Rod	40	30%	-
Cinnabar Island	Fishing with a Good Rod	20	10%	-
Cinnabar Island	Fishing with a Super Rod	40	30%	-
Vermilion City	Fishing with a Good Rod	20	10%	-
Vermilion City	Fishing with a Super Rod	40	30%	-
Pallet Town	Fishing with a Good Rod	20	10%	-
Pallet Town	Fishing with a Super Rod	40	30%	-
Route 26 Road 26	Fishing with a Good Rod	20	10%	-
Route 26 Road 26	Fishing with a Super Rod	40	30%	-
Route 27 Road 27	Fishing with a Good Rod	20	10%	-
Route 27 Road 27	Fishing with a Super Rod	40	30%	-
Sea Route 21 Road 21	Fishing with a Good Rod	20	10%	-
Sea Route 21 Road 21	Fishing with a Super Rod	40	30%	-
Vermilion City S.S. Anne dock	Fishing with a Good Rod	20	10%	-
Vermilion City S.S. Anne dock	Fishing with a Super Rod	40	30%	-

Held Items

Items this Pokémon may hold when encountered in the wild.

Big Pearl

HeartGold

SoulSilver

Pearl

HeartGold

50%

SoulSilver

50%

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Tackle	Physical	35	95	35	A physical attack in which the user charges and slams into the foe with its whole body.
4	Withdraw	Status	-	-	40	The user withdraws its body into its hard shell, raising its Defense stat.
8	Supersonic	Status	-	55	20	The user generates odd sound waves from its body. It may confuse the target.
13	Icicle Spear	Physical	10	100	30	The user launches sharp icicles at the foe. It strikes two to five times in a row.
16	Protect	Status	-	-	10	It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.
20	Leer	Status	-	100	30	The foe is given an intimidating leer with sharp eyes. The target’s Defense stat is reduced.
25	Clamp	Physical	35	75	10	The foe is clamped and squeezed by the user’s very thick and sturdy shell for two to five turns.
28	Ice Shard	Physical	40	100	30	The user flash freezes chunks of ice and hurls them. This move always goes first.
32	Aurora Beam	Special	65	100	20	The foe is hit with a rainbow-colored beam. It may also lower the target’s Attack stat.
37	Whirlpool	Special	15	70	15	Traps the foe inside a whirlpool that lasts for two to five turns. The user can pass through whirlpools.
40	Iron Defense	Status	-	-	15	The user hardens its body’s surface like iron, sharply raising its Defense stat.
44	Brine	Special	65	100	10	If the foe’s HP is down to about half, this attack will hit with double the power.
49	Ice Beam	Special	95	100	10	The foe is struck with an icy-cold beam of energy. It may also freeze the target solid.

Machines

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon HeartGold and SoulSilver.

		Class				Description
TM03	Water Pulse	Special	60	100	20	The user attacks the foe with a pulsing blast of water. It may also confuse the foe.
TM06	Toxic	Status	-	85	10	A move that leaves the target badly poisoned. Its poison damage worsens every turn.
TM07	Hail	Status	-	-	10	The user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type.
TM10	Hidden Power	Special	1	100	15	A unique attack that varies in type and intensity depending on the Pokémon using it.
TM13	Ice Beam	Special	95	100	10	The foe is struck with an icy-cold beam of energy. It may also freeze the target solid.
TM14	Blizzard	Special	120	70	5	A howling blizzard is summoned to strike the foe. It may also freeze the target solid.
TM17	Protect	Status	-	-	10	It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.
TM18	Rain Dance	Status	-	-	5	The user summons a heavy rain that falls for five turns, powering up Water- type moves.
TM21	Frustration	Physical	-	100	20	A full-power attack that grows more powerful the less the user likes its Trainer.
TM27	Return	Physical	-	100	20	A full-power attack that grows more powerful the more the user likes its Trainer.
TM32	Double Team	Status	-	-	15	By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.
TM42	Facade	Physical	70	100	20	An attack move that doubles its power if the user is poisoned, paralyzed, or has a burn.
TM43	Secret Power	Physical	70	100	20	The user attacks with a secret power. Its added effects vary depending on the user’s environment.
TM44	Rest	Status	-	-	5	The user goes to sleep for two turns. It fully restores the user’s HP and heals any status problem.
TM45	Attract	Status	-	100	15	If it is the opposite gender of the user, the foe becomes infatuated and less likely to attack.
TM55	Brine	Special	65	100	10	If the foe’s HP is down to about half, this attack will hit with double the power.
TM58	Endure	Status	-	-	10	The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.
TM64	Explosion	Physical	250	100	5	The user explodes to inflict damage on all Pokémon in battle. The user faints upon using this move.
TM66	Payback	Physical	50	100	10	If the user can use this attack after the foe attacks, its power is doubled.
TM78	Captivate	Status	-	100	20	If it is the opposite gender of the user, the foe is charmed into sharply lowering its Sp. Atk stat.
TM82	Sleep Talk	Status	-	-	10	While it is asleep, the user randomly uses one of the moves it knows.
TM83	Natural Gift	Physical	-	100	15	The user draws power to attack by using its held Berry. The Berry determines its type and power.
TM87	Swagger	Status	-	90	15	The user enrages the foe into confusion. However, it also sharply raises the foe’s Attack stat.
TM90	Substitute	Status	-	-	10	The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.
HM03	Surf	Special	95	100	15	It swamps the entire battlefield with a giant wave. It can also be used for crossing water.
HM05	Whirlpool	Special	15	70	15	Traps the foe inside a whirlpool that lasts for two to five turns. The user can pass through whirlpools.

Tutors

Moves this Pokémon can learn from move tutors in this game.

	Class				Description
Dive	Physical	80	100	10	A two-turn attack. The user dives underwater on the first turn, then hits on the next turn.
Icy Wind	Special	55	95	15	The user attacks with a gust of chilled air. It also lowers the target’s Speed stat.
Iron Defense	Status	-	-	15	The user hardens its body’s surface like iron, sharply raising its Defense stat.
Snore	Special	40	100	15	An attack that can be used only if the user is asleep. The harsh noise may also make the foe flinch.
Swift	Special	60	-	20	Star-shaped rays are shot at the foe. This attack never misses.

Breeding

Moves this Pokémon can inherit through breeding or similar methods.

	Class				Description
Barrier	Status	-	-	30	The user throws up a sturdy wall that sharply raises its Defense stat.
Bubble Beam	Special	65	100	20	A spray of bubbles is forcefully ejected at the foe. It may also lower the target’s Speed stat.
Icicle Spear	Physical	10	100	30	The user launches sharp icicles at the foe. It strikes two to five times in a row.
Mud Shot	Special	55	95	15	The user attacks by hurling a blob of mud at the foe. It also reduces the target’s Speed.
Rapid Spin	Physical	20	100	40	A spin attack that can also eliminate such moves as Bind, Wrap, Leech Seed, and Spikes.
Rock Blast	Physical	25	80	10	The user hurls hard rocks at the foe. Two to five rocks are launched in quick succession.
Screech	Status	-	85	40	An earsplitting screech is emitted to sharply reduce the foe’s Defense stat.
Take Down	Physical	90	85	20	A reckless, full-body charge attack for slamming into the foe. It also damages the user a little.

Traits

Ability options available to this Pokémon in this game.

Shell Armor

Ability Slot 1

The Pokémon is protected against critical hits.

Protects against critical hits.

Skill Link

Ability Slot 2

Increases the frequency of multi-strike moves.

Extends two-to-five-hit moves and Triple Kick to their full length every time.

#118

Muk

#172

Cloyster

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Shellder

Weak to

Resists

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