Rather than making a nest in one specific spot, it wanders in search of food after darkness falls.
Aridos evolves from Spinarak which makes it an easier Pokemon to get early game. Swarm and Sniper as two of the ability options make it more powerful either way, rather by increasing Bug type moves or just powering up critical hits. It can learn Toxic Spikes which is a great move, but its only available via an egg move. Considering its movesset has moves from many different types, including Psychic, Poison, and Ghost - it has pretty good coverage. It does have a few weaknesses though.
Note, you can always call Professor Elm with the Pokemon you are trying to evolve as first in your party. This was a feature that was added specifically to Polished Crystal. If the information on this page seems incorrect, please try calling Professor Elm.
| Route 37 | night | Field | Lv. 16 | 5% |
| Route 2 North | night | Field | Lv. 54-56 | 35% |
| Route 2 South | night | Field | Lv. 54-56 | 35% |
| Viridian Forest | night | Field | Lv. 56-57 | 35% |
| Beautiful Beach | night | Field | Badge -2 | 30% |
| Rocky Beach | night | Field | Badge -2 | 30% |
| Noisy Forest | night | Field | Badge -1 to +1 | 50% |
| Shamouti Shrine Ruins | night | Field | Badge -2 | 30% |
| Warm Beach | night | Field | Badge -2 | 30% |
| Level | Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|---|
| Bug BiteLevel: 1 | ||||||
| bug |  | 60 | 100 | 20 | ||
| Bites the foe and eats a held Berry. | ||||||
| Focus EnergyLevel: 1 | ||||||
| normal |  | 0 | 100 | 30 | ||
| Raises the critical hit ratio. | ||||||
| Poison StingLevel: 1 | ||||||
| poison | | 15 | 100 | 35 | ||
| An attack that may poison the foe. | ||||||
| String ShotLevel: 1 | ||||||
| bug | | 0 | 95 | 40 | ||
| A move that lowers the foe's Speed. | ||||||
| WrapLevel: 1 | ||||||
| normal | | 15 | 90 | 20 | ||
| Traps the foe for 2-5 turns. | ||||||
| AbsorbLevel: 5 | ||||||
| grass |  | 20 | 100 | 25 | ||
| Steals 1/2 of the damage inflicted. | ||||||
| GlareLevel: 8 | ||||||
| normal | | 0 | 100 | 30 | ||
| A move that may paralyze the foe. | ||||||
| Scary FaceLevel: 12 | ||||||
| normal | | 0 | 100 | 10 | ||
| Sharply lowers the foe's Speed. | ||||||
| Night ShadeLevel: 15 | ||||||
| ghost | | 1 | 100 | 15 | ||
| Damage equals the user's level. | ||||||
| GrowthLevel: 19 | ||||||
| normal | | 0 | 100 | 20 | ||
| Raises the user's Atk and Sp.Atk. | ||||||
| Fury StrikesLevel: 23 | ||||||
| normal | | 20 | 85 | 15 | ||
| Scratches or jabs 2-5 times. | ||||||
| Sucker PunchLevel: 28 | ||||||
| dark | | 70 | 100 | 5 | ||
| Attacks before the foe does. | ||||||
| Mean LookLevel: 32 | ||||||
| normal | | 0 | 100 | 5 | ||
| Prevents fleeing or switching. | ||||||
| AgilityLevel: 37 | ||||||
| psychic | | 0 | 100 | 30 | ||
| Sharply raises the user's Speed. | ||||||
| Pin MissileLevel: 41 | ||||||
| bug | | 25 | 95 | 20 | ||
| Fires pins that strike 2-5 times. | ||||||
| PsychicLevel: 46 | ||||||
| psychic | | 90 | 100 | 10 | ||
| An attack that may lower Sp.Def. | ||||||
| Poison JabLevel: 50 | ||||||
| poison | | 80 | 100 | 20 | ||
| An attack that may poison the foe. | ||||||
| Leech LifeLevel: 55 | ||||||
| bug | | 80 | 100 | 10 | ||
| Steals 1/2 of the damage inflicted. | ||||||
| Feint AttackLevel: 58 | ||||||
| dark | | 60 | 100 | 20 | ||
| An attack that never misses. | ||||||
| Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| Baton Pass | |||||
| normal | | 0 | 100 | 40 | |
| Switches while keeping effects. | |||||
| Disable | |||||
| normal | | 0 | 100 | 20 | |
| Disables the foe's most recent move. | |||||
| Megahorn | |||||
| bug | | 120 | 85 | 10 | |
| A powerful charge attack. | |||||
| Psybeam | |||||
| psychic | | 65 | 100 | 20 | |
| An attack that may confuse the foe. | |||||
| Pursuit | |||||
| dark | | 40 | 100 | 20 | |
| Heavily strikes switching Pokémon. | |||||
| Sonic Boom | |||||
| normal | | 20 | 90 | 20 | |
| Always inflicts 20HP damage. | |||||
| Poison Jab | |||||
| poison | | 80 | 100 | 20 | |
| An attack that may poison the foe. | |||||
| Night Slash | |||||
| dark | | 70 | 100 | 15 | |
| Has a high critical hit ratio. | |||||
| Toxic Spikes | |||||
| poison | | 0 | 100 | 20 | |
| Poisons foes when they switch in. | |||||
| Move | Type | Cat. | Power | Acc. | PP | |
|---|---|---|---|---|---|---|
| Curse | ||||||
| ghost | | 0 | 100 | 10 | TM03 | |
| Works differently for Ghost-types. | ||||||
| Toxic | ||||||
| poison | | 0 | 90 | 10 | TM06 | |
| A Poison move with increasing damage. | ||||||
| Venoshock | ||||||
| poison | | 65 | 100 | 10 | TM09 | |
| Damage doubles if foe is poisoned. | ||||||
| Hidden Power | ||||||
| The type varies with the Pokémon. | ||||||
| Sunny Day | ||||||
| fire | | 0 | 100 | 5 | TM11 | |
| Boosts Fire-type moves for 5 turns. | ||||||
| Hone Claws | ||||||
| dark | | 0 | 100 | 40 | TM12 | |
| Raises the user's Atk and accuracy. | ||||||
| Hyper Beam | ||||||
| normal | | 150 | 90 | 5 | TM15 | |
| 1st turn: Attack 2nd turn: Rest | ||||||
| Protect | ||||||
| normal | | 0 | 100 | 10 | TM17 | |
| Foils attack that turn. It may fail. | ||||||
| Giga Drain | ||||||
| grass | | 75 | 100 | 10 | TM19 | |
| Steals 1/2 of the damage inflicted. | ||||||
| Solar Beam | ||||||
| grass | | 120 | 100 | 10 | TM22 | |
| 1st turn: Prepare 2nd turn: Attack | ||||||
| Return | ||||||
| normal | | 1 | 100 | 20 | TM27 | |
| An attack that is based on loyalty. | ||||||
| Dig | ||||||
| ground | | 90 | 100 | 10 | TM28 | |
| 1st turn: Burrow 2nd turn: Attack | ||||||
| Psychic | ||||||
| psychic | | 90 | 100 | 10 | TM29 | |
| An attack that may lower Sp.Def. | ||||||
| Double Team | ||||||
| normal | | 0 | 100 | 15 | TM32 | |
| Raises the user's evasiveness. | ||||||
| Sludge Bomb | ||||||
| poison | | 90 | 100 | 10 | TM36 | |
| An attack that may poison the foe. | ||||||
| Substitute | ||||||
| normal | | 0 | 100 | 10 | TM41 | |
| Makes a decoy with 1/4 user's max HP. | ||||||
| Facade | ||||||
| normal | | 70 | 100 | 20 | TM42 | |
| Double damage with Psn, Brn, or Prz. | ||||||
| Rest | ||||||
| psychic | | 0 | 100 | 5 | TM44 | |
| Sleep for 2 turns to fully recover. | ||||||
| Attract | ||||||
| normal | | 0 | 100 | 15 | TM45 | |
| Makes the opposite gender infatuated. | ||||||
| Thief | ||||||
| dark | | 60 | 100 | 25 | TM46 | |
| An attack that may steal a held item. | ||||||
| Leech Life | ||||||
| bug | | 80 | 100 | 10 | TM50 | |
| Steals 1/2 of the damage inflicted. | ||||||
| X Scissor | ||||||
| bug | | 80 | 100 | 15 | TM56 | |
| Slashes foe with scythes or claws. | ||||||
| Dark Pulse | ||||||
| dark | | 80 | 100 | 15 | TM58 | |
| An attack that may cause flinching. | ||||||
| Poison Jab | ||||||
| poison | | 80 | 100 | 20 | TM66 | |
| An attack that may poison the foe. | ||||||
| Giga Impact | ||||||
| normal | | 150 | 90 | 5 | TM68 | |
| 1st turn: Attack 2nd turn: Rest | ||||||
| Flash | ||||||
| normal | | 0 | 100 | 20 | TM70 | |
| A move that lowers the foe's accuracy. | ||||||
| Swords Dance | ||||||
| normal | | 0 | 100 | 20 | TM75 | |
| Sharply raises the user's Attack. | ||||||
| Move | Type | Cat. | Power | Acc. | PP | |
|---|---|---|---|---|---|---|
| Agility | ||||||
| psychic | | 0 | 100 | 30 | MT01 | |
| Sharply raises the user's Speed. | ||||||
| Baton Pass | ||||||
| normal | | 0 | 100 | 40 | MT03 | |
| Switches while keeping effects. | ||||||
| Body Slam | ||||||
| normal | | 85 | 100 | 15 | MT04 | |
| An attack that may cause paralysis. | ||||||
| Double Edge | ||||||
| normal | | 120 | 100 | 15 | MT08 | |
| A tackle that also hurts the user. | ||||||
| Endure | ||||||
| normal | | 0 | 100 | 10 | MT11 | |
| Endures any hit with at least 1HP. | ||||||
| Sleep Talk | ||||||
| normal | | 0 | 100 | 10 | MT24 | |
| Randomly attacks while asleep. | ||||||
| Sucker Punch | ||||||
| dark | | 70 | 100 | 5 | MT25 | |
| Attacks before the foe does. | ||||||
| Swagger | ||||||
| normal | | 0 | 85 | 15 | MT26 | |
| Causes confusion but raises Attack. | ||||||