Insomnia and Baton Pass give Ariados a niche most bugs lack, but F-Tier stats keep it outclassed in Emerald. The utility isn't enough.
Ability 1SwarmAbility 1Strengthens bug moves to inflict 1.5× damage at 1/3 max HP or less.Ability 2InsomniaAbility 2Prevents sleep.
390HP70Attack90Defense70Speed40Sp.Def60Sp.Atk60
Spinarak
Ariados
Weak to
Physical
Trick Room
40Speed · Very Slow

Is Ariados Good in Emerald Playthrough?

Bug/Poison with AbilitySwarm. Ariados has solid Attack for a Bug, but Bug is Special in Gen 3 and Poison doesn't threaten Emerald's gym leaders or E4. Physical/special mismatch plus bad matchups. Native Bug options exist without the import.

StrongGoodEvenToughBadEEEEETTGGTETERoxanneGym 1BrawlyGym 2WattsonGym 3FlanneryGym 4NormanGym 5WinonaGym 6SpinarakCatchableAriadosEvolveTate & LizaGym 7JuanGym 8SidneyE4PhoebeE4GlaciaE4DrakeE4WallaceChamp*
Roxanne
Gym 1
Even

Spinarak trades roughly evenly with Roxanne's team.

Even
Geodude
Lv 12
RockGround
Rock Head
TackleDefense CurlRock ThrowRock Tomb
Even
Geodude
Lv 12
RockGround
Rock Head
TackleDefense CurlRock ThrowRock Tomb
Even
Nosepass
Lv 15
Rock
Sturdy
BlockHardenTackleRock Tomb
Brawly
Gym 2
Even

Spinarak trades roughly evenly with Brawly's team.

Even
Machop
Lv 16
Fighting
Guts
Karate ChopLow KickSeismic TossBulk Up
You Win
Meditite
Lv 16
FightingPsychic
Pure Power
Focus PunchLight ScreenReflectBulk Up
Even
Makuhita
Lv 19
Fighting
Thick Fat
Arm ThrustVital ThrowReversalBulk Up
Wattson
Gym 3
Even

Spinarak trades roughly evenly with Wattson's team.

Even
Voltorb
Lv 20
Electric
Soundproof
RolloutSparkSelf DestructShock Wave
Even
Electrike
Lv 20
Electric
Static
Shock WaveLeerQuick AttackHowl
Avoid
Magneton
Lv 22
ElectricSteel
Magnet Pull
SupersonicShock WaveThunder WaveSonic Boom
Even
Manectric
Lv 24
Electric
Static
Quick AttackThunder WaveShock WaveHowl
Flannery
Gym 4
Even

Spinarak trades roughly evenly with Flannery's team.

Even
Numel
Lv 24
FireGround
Oblivious
OverheatTake DownMagnitudeSunny Day
Even
Slugma
Lv 24
Fire
Magma Armor
OverheatSmogLight ScreenSunny Day
Risky
Camerupt
Lv 26
FireGround
Magma Armor
OverheatTackleSunny DayAttract
Risky
Torkoal
Lv 29
Fire
White Smoke
OverheatSunny DayBody SlamAttract
Norman
Gym 5
Even

Spinarak trades roughly evenly with Norman's team.

Even
Spinda
Lv 27
Normal
Own Tempo
Teeter DancePsybeamFacadeEncore
Even
Vigoroth
Lv 27
Normal
Vital Spirit
SlashFacadeEncoreFeint Attack
Even
Linoone
Lv 29
Normal
Pickup
SlashBelly DrumFacadeHeadbutt
Risky
Slaking
Lv 31
Normal
Truant
CounterYawnFacadeFeint Attack
Winona
Gym 6
Tough

Winona's team hits Spinarak's weaknesses hard.

Even
Swablu
Lv 29
NormalFlying
Natural Cure
Perish SongMirror MoveSafeguardAerial Ace
You Win
Tropius
Lv 29
GrassFlying
Chlorophyll
Sunny DayAerial AceSolar BeamSynthesis
Risky
Pelipper
Lv 30
WaterFlying
Keen Eye
Water GunSupersonicProtectAerial Ace
Avoid
Skarmory
Lv 31
SteelFlying
Keen Eye
Sand AttackFury AttackSteel WingAerial Ace
Risky
Altaria
Lv 33
DragonFlying
Natural Cure
EarthquakeDragon BreathDragon DanceAerial Ace
Tate & Liza
Gym 7
Tough

Tate & Liza's team hits Ariados's weaknesses hard.

Risky
Claydol
Lv 41
GroundPsychic
LevitateImmune to Ground attacks
EarthquakeAncient PowerPsychicLight Screen
Risky
Xatu
Lv 41
PsychicFlying
Synchronize
PsychicSunny DayConfuse RayCalm Mind
Even
Lunatone
Lv 42
RockPsychic
LevitateImmune to Ground attacks
Light ScreenPsychicHypnosisCalm Mind
Even
Solrock
Lv 42
RockPsychic
LevitateImmune to Ground attacks
Sunny DaySolar BeamPsychicFlamethrower
Juan
Gym 8
Good

Ariados has the type edge here and should clean up Juan's team.

You Win
Luvdisc
Lv 41
Water
Swift Swim
Water PulseAttractSweet KissFlail
You Win
Whiscash
Lv 41
WaterGround
Oblivious
Rain DanceWater PulseAmnesiaEarthquake
You Win
Sealeo
Lv 43
IceWater
Thick Fat
EncoreBody SlamAurora BeamWater Pulse
You Win
Crawdaunt
Lv 43
WaterDark
Hyper Cutter
Water PulseCrabhammerTauntLeer
Risky
Kingdra
Lv 46
WaterDragon
Swift Swim
Water PulseDouble TeamIce BeamRest
Sidney
Elite Four
Good

Ariados has the type edge here and should clean up Sidney's team.

You Win
Mightyena
Lv 46
Dark
Intimidate
RoarDouble EdgeSand AttackCrunch
You Win
Shiftry
Lv 48
GrassDark
Chlorophyll
TormentDouble TeamSwaggerExtrasensory
You Win
Cacturne
Lv 46
GrassDark
Sand Veil
Leech SeedFeint AttackNeedle ArmCotton Spore
You Win
Crawdaunt
Lv 48
WaterDark
Hyper Cutter
SurfSwords DanceStrengthFacade
Even
Absol
Lv 49
Dark
Pressure
Aerial AceRock SlideSwords DanceSlash
Phoebe
Elite Four
Tough

Phoebe's team hits Ariados's weaknesses hard.

Even
Dusclops
Lv 48
Ghost
Pressure
Shadow PunchConfuse RayCurseProtect
Risky
Banette
Lv 49
Ghost
Insomnia
Shadow BallGrudgeWill O WispFeint Attack
Risky
Sableye
Lv 50
DarkGhost
Keen Eye
Shadow BallDouble TeamNight ShadeFeint Attack
Risky
Banette
Lv 49
Ghost
Insomnia
Shadow BallPsychicThunderboltFacade
Risky
Dusclops
Lv 51
Ghost
Pressure
Shadow BallIce BeamRock SlideEarthquake
Glacia
Elite Four
Even

Ariados trades roughly evenly with Glacia's team.

You Win
Sealeo
Lv 50
IceWater
Thick Fat
EncoreBody SlamHailIce Ball
Even
Glalie
Lv 50
Ice
Inner Focus
Light ScreenCrunchIcy WindIce Beam
You Win
Sealeo
Lv 52
IceWater
Thick Fat
AttractDouble EdgeHailBlizzard
Risky
Glalie
Lv 52
Ice
Inner Focus
Shadow BallExplosionHailIce Beam
Even
Walrein
Lv 53
IceWater
Thick Fat
SurfBody SlamIce BeamSheer Cold
Drake
Elite Four
Tough

Drake's team hits Ariados's weaknesses hard.

Even
Shelgon
Lv 52
Dragon
Rock Head
Rock TombDragon ClawProtectDouble Edge
Risky
Altaria
Lv 54
DragonFlying
Natural Cure
Double EdgeDragon BreathDragon DanceAerial Ace
Risky
Kingdra
Lv 53
WaterDragon
Swift Swim
SmokescreenDragon DanceSurfBody Slam
Risky
Flygon
Lv 53
GroundDragon
LevitateImmune to Ground attacks
FlamethrowerCrunchDragon BreathEarthquake
Risky
Salamence
Lv 55
DragonFlying
Intimidate
FlamethrowerDragon ClawRock SlideCrunch
Wallace
Champion
Even

Ariados trades roughly evenly with Wallace's team.

Even
Wailord
Lv 57
Water
Water Veil
Rain DanceWater SpoutDouble EdgeBlizzard
Even
Tentacruel
Lv 55
WaterPoison
Clear Body
ToxicHydro PumpSludge BombIce Beam
You Win
Ludicolo
Lv 56
WaterGrass
Swift Swim
Giga DrainSurfLeech SeedDouble Team
You Win
Whiscash
Lv 56
WaterGround
Oblivious
EarthquakeSurfAmnesiaHyper Beam
Risky
Gyarados
Lv 56
WaterFlying
Intimidate
Dragon DanceEarthquakeHyper BeamSurf
Even
Milotic
Lv 58
Water
Marvel Scale
RecoverSurfIce BeamToxic

Catch Spinarak

Available after Badge 6
Type
BugPoison
Tier
E

Catch Spinarak in the Safari Zone (walking, Lv 33, uncommon). Safari Zone: 500 entry fee, 30 Safari Balls, 500-step limit.

View Spinarak locations

Evolve Spinarak to Ariados

Level 22
Type
BugPoison
Tier
E

Spinarak evolves into Ariados at Level 22. You get it at Level 33, past Level 22, so it evolves into Ariados the next time it levels up.

Recommended Moves

How to Get Ariados in Emerald

Ariados is not catchable wild in Emerald. Grab a Safari Zone Spinarak and evolve it at level 22. The Safari plot gates the whole line behind that entry fee.

Catch Spinarak at any of these 1 spot to eventually evolve into Ariados.

Encountered via tall grass encounters

  1. 1
    Catch Spinarak
  2. 2
    Evolve Ariadosat Lv.22
Badge 6

How to Obtain Ariados in E

  1. Ariados
    Step 2Ariados ✓
    BREEDING
    Available
    Leave a compatible parent at the Pokemon Day Care to receive a Spinarak egg.

How to Get Shiny Ariados in Emerald

Ariados is only obtained by evolution, so catch a shiny Spinarak in the Safari Zone grass, then raise it to level 22 and the shine follows into Ariados. Compare Shiny Ariados odds across every game

Normal vs Shiny
Normal Ariados in EmeraldNormal
Shiny Ariados in Emerald Shiny
Color ShiftRedtoPink
Shiny TierB Tier Shiny

Shiny Ariados Evolution

2 Forms
Showing shiny artworkView Full Evolution Chart

Emerald Shiny Ariados Calculator

2 Methods
Shiny Odds

Both methods here share the same odds, about 1 in 8,192 on each try. Pick whichever fits how you play.

Step 1 · Encounter Method2 in Emerald

Full Odds: Walk through grass, surf, or fish. Every encounter is its own independent shiny roll.

Breeding: Hatch eggs of this line; each egg rolls at the base shiny rate (no Masuda before Gen IV).

How many you have done, or plan to do.

120,000
Shiny Odds Per Try1 / 8,192Full Odds
Chance By Now50.0%at 5,678 encountersAbout 5 in 10 hunters have one by now
What To Expect
ChanceEncountersTime
10%lucky few864----
25%one in four2,357----
50%coin flip5,678----
90%very likely18,862----
How is this calculated?

Every encounter has the same shiny chance, the Shiny Odds Per Try shown above. Each one is a separate roll that does not care how many you have already done, so the more you hunt, the higher your overall chance of at least one shiny. The formula below turns your odds and your number of tries into that combined chance.

chance after N tries = 1 − (1 − p)^N,  where  p = 1 / odds per try

Example at 1 in 8,192 (classic full odds): about 864 encounters for a 10 percent chance, 5,678 for 50 percent, and 18,862 for 90 percent.

The table above flips that around: it shows how many encounters it takes to reach a 10, 25, 50, and 90 percent chance at your current odds. Turning on boosts like the Shiny Charm, sandwiches, or chains improves your odds, so the encounter numbers drop.

These are estimates, not promises. Most games have no pity counter, meaning no guaranteed shiny no matter how many you hunt, so even Very Likely is not guaranteed: some hunters find one early, others go well past that point.

Where these shiny odds come from: Read our full methodology

Want exact numbers for your session? Calculate your shiny odds in Emerald with Ariados preloaded.

Ariados Weakness

Ariados is weak to Fire, Flying, Psychic, and Rock. It resists 4 types, giving it decent defensive coverage. 4 weaknesses is about average, nothing too hard to play around.

Ariados Weakness and Resistance Chart
DamageTypes
2x (Weak)Fire, Flying, Psychic, Rock
0.5x (Resist)Poison, Bug
0.25x (Resist)Grass, Fighting
Gen III Type Chart
  • Dark and Steel types added — Fairy does not exist yet
  • Moves are Physical or Special based on type, not per move

What is Ariados Weak Against

Avg
4Weak
4Resist
0Immune
Score-2
4xCritical
None
½xResist
¼xResist
0xImmune
None

What is Ariados Strong Against

3Strong
3Resisted
0Immune
Score0
½xResisted
0xImmune
None

Best Pokemon Against Ariados

Blaziken
Blaziken
FireFighting
B
Kadabra
Kadabra
Psychic
C
Gardevoir
Gardevoir
Psychic
B
Xatu
Xatu
PsychicFlying
C
C

Ariados Evolutions

Ariados is the evolved form of Spinarak. Breeding produces Spinarak eggs, and they are quick to hatch. Evolving from Spinarak gave Ariados the biggest boost in HP (+30), bringing the total to 390 stats. View every chain in the Evolution Chart.

How to Evolve

2 Forms
Stat Comparison 2 Stages
Spinarak
BugPoison
Ariados
BugPoison
HP
40
70+30
ATK
60
90+30
DEF
40
70+30
SP.ATK
40
60+20
SP.DEF
40
70+30
SPE
30
40+10
BST
250E-Tier
400E-Tier+150
ROLE
Balanced
Trick Room
TYPE
Physical
Physical

Breeding

Very Easy

Breed with Ariados to get Spinarak eggs easily using 37 partners from the Bug egg group. Notable egg moves include Baton Pass, Disable, Psybeam and 3 more.

Egg Groups
Bug
Gender
♂50.0%♀50.0%
Hatch Time
15 cycles·3,855 steps
Quick~4 min with Flame Body
Egg Moves
6moves
Breed With (best first)
flygonmasquerainvolbeatillumiseparasectvibravaparastrapinchsurskitshuckleforretressvenomoth

E Ariados Best Moveset

Ariados has physical Bug and Poison TermStab from 90 Attack, matching both types to the physical side in Gen 3. The moveset suffers from 40 Speed, going last against everything competitive. AbilityInsomnia provides sleep immunity, but Ariados cannot capitalize on the free turns it creates.

Best Build

Experimental
Physical Wallbreaker
Ability
Insomnia
Item
Choice BandPOWER
Best Nature for Ariados

Ariados best EVs are Attack and HP

EVs

Physical Wallbreaker Moveset

  • Signal BeamSTAB
  • Sludge BombSTAB
  • Hidden Power Fighting
  • Body Slam

Moves List

Breeding opens up real options for Ariados. Baton Pass and Disable come exclusively from egg moves, and they're worth the effort. The rest of the kit covers basics through Sludge Bomb and Leech Life and Normal and Ghost coverage and more.

Level-Up Moves

Lv 1
Constrict
—1010035Normal
Lv 1
Poison Sting
D2210035Poison
Lv 1
Scary Face
——9010Normal
Lv 1
String Shot
D—9540Bug
Lv 6
Scary Face
——9010Normal
Lv 11
Constrict
—1010035Normal
Lv 17
Night Shade
A—10015Ghost
Lv 25
Leech Life
—3010010Bug
Lv 34
Fury Swipes
D188015Normal
Lv 43
Spider Web
A——10Bug
Lv 53
Agility
C——30Psychic
Lv 63
Psychic
D9010010Psychic

TM Moves

All 19 TMs are obtainable before the Elite Four

TM
TM45
AttractVerdanturf Townbadge 2
——10015Normal
TM28
DigRoute 114badge 3
C6010010Ground
TM32
Double TeamRoute 113badge 2
———15Normal
TM42C7010020Normal
HM05——7020Normal
TM21
FrustrationPacifidlog Townbadge 5
D—10020Normal
TM19
Giga DrainRoute 123badge 5
D751005Grass
TM10
Hidden PowerFortree Citybadge 3
—6010015Normal
TM15
Hyper BeamLilycove Department Storebadge 5
C150905Normal
TM17A——10Normal
TM29
PsychicMauville Game Cornerbadge 2
D9010010Psychic
TM44
RestLilycove Citybadge 5
C——10Psychic
TM27
ReturnFallarbor Townbadge 3
D—10020Normal
TM43
Secret PowerRoute 111badge 3
—7010020Normal
TM36
Sludge BombDewford Townbadge 5
B13510010Poison
TM22
Solar BeamSafari Zonebadge 5
C12010010Grass
TM11
Sunny DayScorched Slabbadge 5
C——5Fire
TM46
ThiefSlateport Citybadge 1
D6010025Dark
TM06
ToxicFiery Pathbadge 4
C—8510Poison

Egg Moves

Egg
Egg
Baton Pass
C——40Normal
Egg
Disable
D—5520Normal
Egg
Psybeam
—6510020Psychic
Egg
Pursuit
D4010020Dark
Egg
Signal Beam
B11210015Bug
Egg
Sonic Boom
——9020Normal

Tutor Moves

Tut
Tutor
Body Slam
B8510015Normal
Tutor
Double-Edge
C12010015Normal
Tutor
Endure+4
C——10Normal
Tutor
Mimic
D——10Normal
Tutor
Sleep Talk
D——10Normal
Tutor
Snore
—4010015Normal
Tutor
Substitute
C——10Normal
Tutor
Swagger
D—9015Normal

Base Stats

Base Stats
Avg
HP70
C
Attack90
B
Defense70
C
Sp. Atk60
C
Sp. Def60
C
Speed40
D
Total390
Details
Catch Rate
Challenging90 / 255
Growth Rate
Fast800,000 XP
Height1.1 m
Weight33.5 kg
Base XP140
Abilities
Swarm
Strengthens bug moves to inflict 1.5× damage at 1/3 max HP or less.
Insomnia
Prevents sleep.
EV Yield
HPAtk+2DefSpASpDSpe
Attack training target
Pokedex Entry

Its feet are tipped with tiny hooked claws that enable it to scuttle on ceilings and vertical walls. It constricts its foe with thin and strong silk webbing.

Pokemon Emerald

Ariados Emerald Guide

  • Honestly, in Emerald Ariados is a tough sell. It rates just E-Tier, and stronger Bug/Poison options exist. Fun pick, not a practical one.

  • In Emerald, Ariados plays as a trick room. It's slow, so Trick Room or priority moves are key. so pick your spots carefully.

  • In Emerald, Adamant is the go-to nature for Ariados. That's +Attack / -Sp. Atk. Pair it with 248 HP / 252 Atk / 8 SpD EVs. Fits the trick room role.

  • In Emerald, Ariados pairs best with Raichu, Farfetch'd, and Magmar. Raichu has Good synergy and covers what Ariados can't handle on its own.

Game Availability

Ariados first appeared in Gold & Silver and has been available in 17 games across 8 generations. Obtainable through wild encounters in most titles where it appears.

Explore

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