Encounter locations
| Region | Location | Method | Level |
|---|---|---|---|
| Kanto | Route 2 | WalkingNight | 4–5 |
| Johto | Route 2 | WalkingNight | 7 |
| Johto | Route 2 East | WalkingNight | 7 |
| Johto | Viridian Forest | HeadbuttRare tree for this character. Use Headbutt facing the tree. | 5–7 |
This guide covers documented encounter tables and selected story events. Other scripted gifts or events may also award this Pokémon.
Natures
Randomly generated Pokémon can have any of the 25 natures. Twenty raise one stat by 10% and lower another by 10%. Five are neutral. HP stays the same.
View all 25 natures and stat effects
| Nature | Raises (+10%) | Lowers (−10%) |
|---|---|---|
| Hardy | — | — |
| Lonely | Attack | Defense |
| Brave | Attack | Speed |
| Adamant | Attack | Special Attack |
| Naughty | Attack | Special Defense |
| Bold | Defense | Attack |
| Docile | — | — |
| Relaxed | Defense | Speed |
| Impish | Defense | Special Attack |
| Lax | Defense | Special Defense |
| Timid | Speed | Attack |
| Hasty | Speed | Defense |
| Serious | — | — |
| Jolly | Speed | Special Attack |
| Naive | Speed | Special Defense |
| Modest | Special Attack | Attack |
| Mild | Special Attack | Defense |
| Quiet | Special Attack | Speed |
| Bashful | — | — |
| Rash | Special Attack | Special Defense |
| Calm | Special Defense | Attack |
| Gentle | Special Defense | Defense |
| Sassy | Special Defense | Speed |
| Careful | Special Defense | Special Attack |
| Quirky | — | — |
Stats and abilities
- HP
- 70
- Attack
- 90
- Defense
- 70
- Sp. Attack
- 60
- Sp. Defense
- 60
- Speed
- 40
Abilities · Swarm / Insomnia
Hidden ability · Sniper
Size · 1.1 m · 33.5 kg
Evolution and forms
- From Spinarak · Level 22
Level-up moves
View level-up moves for Ariados
| Level | Move |
|---|---|
| 1 | Poison Sting |
| 1 | Fell Stinger |
| 1 | Absorb |
| 1 | String Shot |
| 1 | Bug Bite |
| 1 | Focus Energy |
| 8 | Infestation |
| 12 | Scary Face |
| 15 | Night Shade |
| 19 | Shadow Sneak |
| 23 | Fury Swipes |
| 28 | Sucker Punch |
| 31 | Agility |
| 35 | Pin Missile |
| 41 | Psychic |
| 46 | Poison Jab |
| 50 | Cross Poison |
| 54 | Sticky Web |
| 59 | Toxic Thread |