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B2/W2 / Pokédex

Gastrodon

Back to Pokédex

Gastrodon

#423 in the Black 2 and White 2 Pokédex • Sea Slug Pokémon

Gastrodon sprite

Normal

Shiny Gastrodon sprite

Shiny

Pokédex entries

Pokémon Black 2

Long ago, its entire back was shielded with a sturdy shell. There are traces of it left in its cells.

Pokémon White 2

Long ago, its entire back was shielded with a sturdy shell. There are traces of it left in its cells.

Details

Types

WaterGround

Category

Sea Slug Pokémon

Height

0.9 m (2'11")

Weight

29.9 kg (65.9 lbs)

National Pokédex

#0423

Stats

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

Min

Max

HP

111

332

426

Attack

83

153

291

Defense

68

126

258

Sp. Atk

92

170

311

Sp. Def

82

152

289

Speed

39

74

194

Total

475

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.

It's Super Effective

Type-only matchups for Gastrodon, sorted from worst weakness to best resistance. Abilities, held items and battle conditions can change the damage taken.

Weak to

Immune to

Growth

EV yield, catch rate, and experience details for this Pokémon.
Pokédexes
-
EV yield
2 HP
Catch rate
75
Base Exp.
166

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.
Egg groups
Gender
50% male
50% female
Egg cycles
20

Evolution

Evolution requirements shown in a compact table or chain view.
PokémonRequiresEvolution
Shellos

Shellos

#422

Level 30

Gastrodon

Gastrodon

#423

Moves

Moves this Pokémon learns naturally by reaching specific levels.
Class
Description
StartHardenNormalStatus--30

The user stiffens all the muscles in its body to raise its Defense stat.

StartMud-SlapGroundSpecial2010010

The user hurls mud in the target’s face to inflict damage and lower its accuracy.

StartMud SportGroundStatus--15

The user covers itself with mud. It weakens Electric-type moves while the user is in the battle.

StartWater PulseWaterSpecial6010020

The user attacks the target with a pulsing blast of water. It may also confuse the target.

2Mud SportGroundStatus--15

The user covers itself with mud. It weakens Electric-type moves while the user is in the battle.

4HardenNormalStatus--30

The user stiffens all the muscles in its body to raise its Defense stat.

7Water PulseWaterSpecial6010020

The user attacks the target with a pulsing blast of water. It may also confuse the target.

11Mud BombGroundSpecial658510

The user launches a hard-packed mud ball to attack. It may also lower the target’s accuracy.

16Hidden Power

Varies

Special30–7010015

A unique attack that varies in type and intensity depending on the Pokémon using it.

22Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

29Body SlamNormalPhysical8510015

The user drops onto the target with its full body weight. It may also leave the target with paralysis.

41Muddy WaterWaterSpecial958510

The user attacks by shooting muddy water at the opposing team. It may also lower the targets’ accuracy.

54RecoverNormalStatus--10

Restoring its own cells, the user restores its own HP by half of its max HP.

Machines

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Black 2 and White 2.
Class
Description
TM06ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM07HailIceStatus--10

The user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type.

TM10Hidden Power

Varies

Special30–7010015

A unique attack that varies in type and intensity depending on the Pokémon using it.

TM13Ice BeamIceSpecial9510010

The target is struck with an icy-cold beam of energy. It may also freeze the target solid.

TM14BlizzardIceSpecial120705

A howling blizzard is summoned to strike the opposing team. It may also freeze them solid.

TM15Hyper BeamNormalSpecial150905

The target is attacked with a powerful beam. The user must rest on the next turn to regain its energy.

TM17ProtectNormalStatus--10

It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

TM18Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

TM21FrustrationNormalPhysical-10020

A full-power attack that grows more powerful the less the user likes its Trainer.

TM26EarthquakeGroundPhysical10010010

The user sets off an earthquake that strikes those around it.

TM27ReturnNormalPhysical-10020

A full-power attack that grows more powerful the more the user likes its Trainer.

TM28DigGroundPhysical8010010

The user burrows, then attacks on the second turn. It can also be used to exit dungeons.

TM32Double TeamNormalStatus--15

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

TM34Sludge WavePoisonSpecial9510010

It swamps the area around the user with a giant sludge wave. It may also poison those hit.

TM36Sludge BombPoisonSpecial9010010

Unsanitary sludge is hurled at the target. It may also poison the target.

TM37SandstormRockStatus--10

A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.

TM39Rock TombRockPhysical508010

Boulders are hurled at the target. It also lowers the target’s Speed by preventing its movement.

TM42FacadeNormalPhysical7010020

An attack move that doubles its power if the user is poisoned, burned, or has paralysis.

TM44RestPsychicStatus--10

The user goes to sleep for two turns. It fully restores the user’s HP and heals any status problem.

TM45AttractNormalStatus-10015

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

TM48RoundNormalSpecial6010015

The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.

TM55ScaldWaterSpecial8010015

The user shoots boiling hot water at its target. It may also leave the target with a burn.

TM68Giga ImpactNormalPhysical150905

The user charges at the target using every bit of its power. The user must rest on the next turn.

TM70FlashNormalStatus-10020

The user flashes a bright light that cuts the target’s accuracy. It can also be used to illuminate caves.

TM71Stone EdgeRockPhysical100805

The user stabs the foe with sharpened stones from below. It has a high critical-hit ratio.

TM78BulldozeGroundPhysical6010020

The user stomps down on the ground and attacks everything in the area. Hit Pokémon’s Speed stat is reduced.

TM80Rock SlideRockPhysical759010

Large boulders are hurled at the opposing team to inflict damage. It may also make the targets flinch.

TM87SwaggerNormalStatus-9015

The user enrages and confuses the target. However, it also sharply raises the target’s Attack stat.

TM90SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM94Rock SmashFightingPhysical4010015

The user attacks with a punch that can shatter a rock. It may also lower the target’s Defense stat.

HM03SurfWaterSpecial9510015

It swamps the area around the user with a giant wave. It can also be used for crossing water.

HM04StrengthNormalPhysical8010015

The target is slugged with a punch thrown at maximum power. It can also be used to move heavy boulders.

HM05WaterfallWaterPhysical8010015

The user charges at the target and may make it flinch. It can also be used to climb a waterfall.

HM06DiveWaterPhysical8010010

Diving on the first turn, the user floats up and attacks on the second turn. It can be used to dive deep in the ocean.

Tutors

Moves this Pokémon can learn from move tutors in this game.
Class
Description
BlockNormalStatus--5

The user blocks the target’s way with arms spread wide to prevent escape.

Earth PowerGroundSpecial9010010

The user makes the ground under the target erupt with power. It may also lower the target’s Sp. Def.

Icy WindIceSpecial559515

The user attacks with a gust of chilled air. It also reduces the targets’ Speed stat.

Pain SplitNormalStatus--20

The user adds its HP to the target’s HP, then equally shares the combined HP with the target.

Sleep TalkNormalStatus--10

While it is asleep, the user randomly uses one of the moves it knows.

SnoreNormalSpecial4010015

An attack that can be used only if the user is asleep. The harsh noise may also make the target flinch.

Learn these before evolving. The source column identifies the original method and level where applicable.
Class
AcquisitionDescription
AmnesiaPsychicStatus--20

Prior evolution: egg

The user temporarily empties its mind to forget its concerns. It sharply raises the user’s Sp. Def stat.

BrineWaterSpecial6510010

Prior evolution: egg

If the target’s HP is down to about half, this attack will hit with double the power.

Clear SmogPoisonSpecial50-15

Prior evolution: egg

The user attacks by throwing a clump of special mud. All status changes are returned to normal.

CounterFightingPhysical-10020

Prior evolution: egg

A retaliation move that counters any physical attack, inflicting double the damage taken.

CurseGhostStatus--10

Prior evolution: egg

A move that works differently for the Ghost type than for all other types.

FissureGroundPhysical-305

Prior evolution: egg

The user opens up a fissure in the ground and drops the target in. The target instantly faints if it hits.

MementoDarkStatus-10010

Prior evolution: egg

The user faints when using this move. In return, it harshly lowers the target’s Attack and Sp. Atk.

Mirror CoatPsychicSpecial-10020

Prior evolution: egg

A retaliation move that counters any special attack, inflicting double the damage taken.

MistIceStatus--30

Prior evolution: egg

The user cloaks its body with a white mist that prevents any of its stats from being cut for five turns.

SludgePoisonSpecial6510020

Prior evolution: egg

Unsanitary sludge is hurled at the target. It may also poison the target.

Spit UpNormalSpecial-10010

Prior evolution: egg

The power stored using the move Stockpile is released at once in an attack. The more power is stored, the greater the damage.

StockpileNormalStatus--20

Prior evolution: egg

The user charges up power and raises both its Defense and Sp. Def. The move can be used three times.

SwallowNormalStatus--10

Prior evolution: egg

The power stored using the move Stockpile is absorbed by the user to heal its HP. Storing more power heals more HP.

Trump CardNormalSpecial--5

Prior evolution: egg

The fewer PP this move has, the greater its attack power.

YawnNormalStatus--10

Prior evolution: egg

The user lets loose a huge yawn that lulls the target into falling asleep on the next turn.

These moves require the labeled trade, transfer or historical gift route. Individual options do not establish that every combination is legal.
Class
AcquisitionDescription
Ancient PowerRockSpecial601005

PokéTransfer from Generation IV

The user attacks with a prehistoric power. It may also raise all the user’s stats at once.

CaptivateNormalStatus-10020

PokéTransfer from Generation IV

If it is the opposite gender of the user, the target is charmed into harshly lowering its Sp. Atk stat.

EndureNormalStatus--10

PokéTransfer from Generation IV

The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.

HeadbuttNormalPhysical7010015

PokéTransfer from Generation IV

The user sticks out its head and attacks by charging straight into the target. It may also make the target flinch.

Natural Gift

Varies

Physical-10015

PokéTransfer from Generation IV

The user draws power to attack by using its held Berry. The Berry determines its type and power.

Secret PowerNormalPhysical7010020

PokéTransfer from Generation IV

The user attacks the target with a secret power. Its added effects vary depending on the user’s environment.

String ShotBugStatus-9540

PokéTransfer from Generation IV

The targets are bound with silk blown from the user’s mouth. This silk reduces the targets’ Speed stat.

WhirlpoolWaterSpecial358515

Gen IV Whirlpool → Diamond/Pearl/Platinum → PokéTransfer

Traps foes in a violent swirling whirlpool for four to five turns.

Traits

Ability options available to this Pokémon in this game.

Sticky Hold

Ability Slot 1

Protects the Pokémon from item theft.

Prevents a held item from being removed by other Pokémon.

Storm Drain

Ability Slot 2

Draws in all Water-type moves to up Sp. Attack.

Redirects single-target Water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.

Sand Force(Hidden Ability)

Boosts certain moves’ power in a sandstorm.

Strengthens Rock, Ground, and Steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.

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