Onix (Pokémon)

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This article is about the species. For a specific instance of this species, see Onix (disambiguation).

Onix イワーク Iwark #095
Art by Ken Sugimori from FireRed and LeafGreen
Type Rock Ground Unknown Unknown Blue-Striped Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown	Category Rock Snake Pokémon
Abilities Rock Head or Sturdy Sturdy Blue-Striped ----- Weak Armor Hidden Ability
Exp. at Lv. 100 1,000,000
Regional Pokédex numbers Kanto #095 Johto #062 Hoenn #265 Sinnoh #034 Unova #071 Not in any regional Pokédex
Regional Browser numbers Fiore R— Almia R— Oblivia
Height 28'10" Imperial 8.8 m Metric 28'10"/8.8 m Red-Striped 0'0"/0.0 m Blue-Striped 0'0"/0.0 m
Weight 463.0 lbs. Imperial 210.0 kg Metric 463.0 lbs./210.0 kg Red-Striped 0.0 lbs./0.0 kg Blue-Striped 0.0 lbs./0.0 kg
Dex color Gray	Catch rate 45 (5.9%)
Body style Blue-Striped	Footprint      Blue-Striped
Gender ratio Gender unknown Unknown 50% male, 50% female
Breeding Mineral group 26 cycles (6630 minimum steps)
EV yield HP 0 Atk 0 Def 1 Sp.Atk 0 Sp.Def 0 Speed 0 Base Exp.: 108 Battle Exp.: 1081*
External links On Smogon Pokédex: Generation I Generation II Generation III Generation IV Generation V Generation VI Generation VII Generation VIII Generation IX Artwork on Bulbagarden Archives

Onix (Japanese: イワーク Iwark) is a dual-type Rock/Ground Pokémon.

It evolves into Steelix when traded holding a Metal Coat.

Biology

Physiology

Onix resembles a giant chain of gray boulders, with a rocky spine on its head. This Pokémon has a magnet in its brain that serves as an internal compass. Onix's body becomes more rounded and smoother as it grows with age. A fully-grown Onix measures at an enormous 28 feet 10 inches, or 8.8 meters.

Gender differences

None.

Special abilities

Onix tunnel under the ground at over fifty miles per hour, which causes tremors. If they take a hard enough blow and their body falls apart, they can regrow the rest in a matter of a few weeks. They share this trait with Arbok.

Behavior

They are very hotheaded Pokémon and will constantly attack humans and Pokémon when various objects are caught in its craggy body. However, domesticated Onix will show signs of distress instead of attacking others.

Habitat

File:Cave.gif

Cave Pokémon

Onix can be found in mountains and caves, though they prefer underground tunnels with little light. It can also be found in craggy mountains and abandoned mines. It is most common in Kanto, Johto, and Sinnoh, with some rare appearances in Unova.

Diet

Main article: Pokémon food

Onix eats large boulders.

In the anime

Onix in the anime

A Shiny Onix in the anime

Major appearances

Brock's Onix

Onix's first major appearance was in Showdown in Pewter City under the ownership of Brock. He used it in his journeys in Kanto and Johto before giving it to his little brother, Forrest, in A Family That Battles Together Stays Together!. At some time before Grating Spaces, it evolved into a Steelix.

Bruno's Onix

Ash and his friends encountered a giant Onix in To Master the Onixpected. It was on a rampage until Bruno managed to get a Sandslash from under the Rock Snake Pokémon's "skin." Bruno captured the Onix afterward.

Crystal Onix

The Crystal Onix featured a special Onix whose body is made out of glass crystal. Ash and his friends helped a glass sculptor named Mateo search for it because Mateo believed it would help inspire him to be better at his craft.

Other

An Onix made its debut appearance in Pokémon - I Choose You!. It was the next Pokémon an unknown Trainer chose after the opponent's Gengar put their Nidorino to sleep.

In Hello, Pummelo!, Drake of the Orange Crew owns an Onix and he used it to fight Ash's Squirtle in the second round in the Orange League Champion match. During the battle with Squirtle, Drake's Onix dug underground and emerged to use Bind on Squirtle, but Squirtle used Withdraw followed by a Hydro Pump, soaking Drake's Onix into submission. After drenching Drake's Onix, Squirtle defeated the Onix with a Skull Bash. It reappeared in a flashback in the following episode.

Several Onix appeared in Tunnel Vision where they resided in the Onix Tunnel and attacked anyone who attempted to pass through it.

A "King Onix" was featured in Hooked on Onix. Team Rocket tricked King Onix into thinking Ash and his friends were going to destroy his kingdom. When Ash managed to convince King Onix that he and his friends weren't bad by defeating it in a battle, Team Rocket tried to steal the royal Rock Snake Pokémon, but their plan was foiled, as usual.

Roark's Onix was first seen in Shapes of Things to Come where it was used against Paul's Elekid and Chimchar. In A Gruff Act to Follow!, it defeated Ash's Turtwig, followed by Ash's Pikachu but Pikachu managed to defeat it in a rematch in O'er the Rampardos we Watched!.

A rampaging Onix appeared in A Maze-ing Race!.

Multiple wild Onix appeared in BW087, with one of them being Shiny.

Minor appearances

An Onix appeared in Mewtwo Strikes Back.

Multiple Onix were among the Pokémon seen at Professor Oak's Laboratory in Showdown at the Po-ké Corral.

An Onix, under the ownership of an unnamed Trainer, was treated by Nurse Joy in The Joy of Pokémon.

An Onix belonging to the natives of the Golden Island, appeared in Meowth Rules!.

Multiple Onix also appeared in The Power of One.

An Onix was seen in a fantasy in The Rivalry Revival.

An Onix, under the ownership of a Trainer, appeared in Celebi: Voice of the Forest.

Janina, Jasmine's apprentice, has an Onix in the episode Fight for the Light. Her Onix was heavily coated in wax for protection against Water attacks.

An Onix appeared in the opening of Destiny Deoxys.

Multiple Onix appeared in Lucario and the Mystery of Mew as part of the feuding armies.

An Onix made a brief cameo in Pokémon Mystery Dungeon: Explorers of Sky - Beyond Time & Darkness.

Brock used an Onix in One Team, Two Team, Red Team, Blue Team! as part of the Pokémon Triathlon.

An Onix appeared in Steeling Peace of Mind!, and again in Promoting Healthy Tangrowth!.

An Onix appeared in A Rivalry to Gible On!.

An Onix appeared in Bucking the Treasure Trend! where it attacked Team Rocket.

An Onix appeared in the opening scenes of Zoroark: Master of Illusions.

Pokédex entries

Episode Pokémon Source Entry DP015 Onix Dawn's Pokédex Onix, the Rock Snake Pokémon. It tunnels through the ground which shakes when it raises its thunderous roar. It can move the ground at fifty miles per hour.

In the manga

Onix in the Electric Tale of Pikachu

In the Electric Tale of Pikachu manga

Brock has an Onix in The Electric Tale of Pikachu.

In the Pokémon Adventures manga

Onix debuts in Onix is On! of the Red, Green & Blue arc as Brock's main Pokémon, however a picture of it is shown on a leaflet in Wanted: Pikachu!. Onix later continues to make appearances with Brock in various volumes onwards.

Bruno owns an Onix, on which he battles Bill, Lt. Surge and Red on Cerise Island. The Onix later manages to carry Bruno and Koga off the collapsing island. Another wild Onix was also seen on Cerise Island.

Roark has an Onix which he used it during Platinum's Gym Battle in A Conk on Cranidos's Cranium.

In the Pokémon Pocket Monsters manga

Brock owns an Onix in Pokémon Pocket Monsters.

An Onix took part in a baseball match in Fierce Competition at the Pokémon Baseball Tournament!.

Giovanni sent out his Onix to prevent Isamu from interfering with his plans on creating Mewtwo.

An Onix is seen with Isamu during the curry cooking competition that went on in Curry Showdown! Which is the Most Delicious?.

Kai Midorikawa's Onix first appeared in PM042.

Bruno owns two Onix as seen in PM034.

In the Pokémon Zensho manga

An Onix under the ownership of Brock appeares in Pokémon Zensho.

In the Pokémon Diamond and Pearl Adventure! manga

Hareta catches an Onix on Iron Island in Serious Training on Iron Island!!.

Byron has an Onix which was used as an obstacle in a challenge in Challenge! The Fortress Of Steel!!.

Pokédex entries

Manga Chapter Entry Pokémon Adventures PS067 Digs through the earth at up to 50 miles/hour in search of food. The tunnels left behind become a favorite habitat of Diglett.

In the TCG

Main article: Onix (TCG)

Other appearances

Super Smash Bros.

Onix is obtainable in a Poké Ball. Once thrown, it flies up into the sky and uses Rock Throw on the player's opponents. This will hit everyone on the field except Kirby if he uses his down special move.

Super Smash Bros. Melee

Onix is the second Poké Float to appear. It provides a horizontally flat area all the time it is on-screen, though it becomes diagonal as it leaves the screen.

Game data

Pokédex entries

This Pokémon was unavailable prior to Generation I.
Generation I Red As it grows, the stone portions of its body harden to become similar to a diamond, but colored black. Blue Yellow Burrows at high speed in search of food. The tunnels it leaves are used as homes by Diglett. Stadium Its large body is over 26 feet long. Despite its size, it can squirm its way through the ground at 50 mph.
Generation II Gold It twists and squirms through the ground. The thunderous roar of its tunneling echoes a long way. Silver It rapidly bores through the ground at 50 mph by squirming and twisting its massive, rugged body. Crystal As it digs through the ground, it absorbs many hard objects. This is what makes its body so solid. Stadium 2 It twists and squirms through the ground. The thunderous roar of its tunneling echoes a long way.
Generation III Ruby Onix has a magnet in its brain. It acts as a compass so that this Pokémon does not lose direction while it is tunneling. As it grows older, its body becomes increasingly rounder and smoother. Sapphire {{{sapphiredex}}} Emerald There is a magnet in its brain that prevents an Onix from losing direction while tunneling. As it grows older, its body becomes steadily rounder and smoother. FireRed It usually lives underground. It searches for food while boring its way through the ground at 50 miles per hour. LeafGreen As it grows, the stone portions of its body harden to become similar to black-colored diamonds.
Generation IV Diamond When it travels underground, it causes rumbling and tremors. It can move at 50 mph. Pearl It squirms through the ground using its long and rugged body. It always eats while burrowing. Platinum It burrows through the ground at a speed of 50 mph while feeding on large boulders. HeartGold It twists and squirms through the ground. The thunderous roar of its tunneling echoes a long way. SoulSilver It rapidly bores through the ground at 50 mph by squirming and twisting its massive, rugged body.
Generation V Black It burrows through the ground at a speed of 50 mph while feeding on large boulders. White {{{whitedex}}} Black 2 {{{black2dex}}} White 2 {{{white2dex}}}
Generation VI X Unknown Y Unknown

Game locations

This Pokémon was unavailable prior to Generation I.
Generation I Red Blue Common Rock Tunnel and Victory Road Blue (Japan) None Trade Yellow Uncommon Rock Tunnel and Victory Road
Generation II Gold Silver Common Rock Tunnel, Violet City (trade Bellsprout), Silver Cave, Victory Road, Union Cave Crystal Common Rock Tunnel, Violet City (trade Bellsprout), Silver Cave, Victory Road, Union Cave
Generation III Ruby Sapphire None Trade Emerald None Trade FireRed LeafGreen Common Victory Road, Rock Tunnel, and Sevault Canyon Colosseum None Trade XD None Trade
Generation IV Diamond Pearl Common Iron Island, Snowpoint Temple, Oreburgh Mine, Victory Road, Stark Mountain Platinum Common Iron Island, Oreburgh Mine, Victory Road, Wayward Cave HeartGold SoulSilver Common Violet City (trade Bellsprout), Union Cave, Mt. Silver, Cliff Cave, Victory Road, and Rock Tunnel Pal Park Mountain Pokéwalker Rugged Road, Dim Cave, and Night Sky's Edge
Generation V Black White Rare Relic Castle Black 2 White 2 Unknown Relic Path, Twist Mountain, Clay Road and Victory Road Dream World Icy Cave
Generation VI X Y None Trade

In side games

Game	Location
Pokémon Pinball	Rock Mountain Indigo Plateau
Pokémon Trozei!	Phobos Drill Endless Level 46 Forever Level 23 Mr. Who's Den
Pokémon Mystery Dungeon Red/Blue Rescue Team	Magma Cavern (21F-23F) Magma Cavern Pit (1F-2F) Southern Cavern (40F-50F)
Pokémon Mystery Dungeon Explorers of Time/Darkness	Mt. Travail (1F-19F)
Pokémon Rumble	Rocky Cave
Pokémon Rumble Blast	Canyon: Rugged Flats, Sunny Seashore

In events

Games	Event	Language	Location	Level	Distribution period
List of Nintendo event Pokémon in Generation II#Onix 2	Gotta Catch 'Em All Station!	United States	2002	5	Never
List of Nintendo event Pokémon in Generation II#Onix	Gotta Catch 'Em All Station!	United States	2002	5	Never

Held items

Game		Held Item(s)
Gold	Silver	Bitter Berry (100%)
Crystal
FireRed	LeafGreen	Hard Stone (5%)

Stats

Base stats

Stat		Range
		At Lv. 50	At Lv. 100
HP: 35		95 - 142	180 - 274
Attack: 45		45 - 106	85 - 207
Defense: 160		148 - 233	292 - 460
Sp. Atk: 30		31 - 90	58 - 174
Sp. Def: 45		45 - 106	85 - 207
Speed: 70		67 - 134	130 - 262
Total: 385	Other Pokémon with this total
Minimum stats are calculated with 0 EVs, IVs of 0, and (if applicable) a hindering nature. Maximum stats are calculated with 252 EVs, IVs of 31, and (if applicable) a helpful nature. This Pokémon's Special base stat in Generation I was 30.

Pokéathlon stats

Speed 3/4 ★★★☆	Power 2/2 ★★
Skill 1/2 ★☆	Stamina 4/4 ★★★★
Jump 2/3 ★★☆	Total 12/15 ★★☆

Type effectiveness

Under normal battle conditions in Generation V, this Pokémon is:

Damaged normally by: Normal ½× Fighting 2× Flying ½× Poison ¼× Ground 2× Rock ½× Bug 1× Ghost 1× Steel 2× Fire ½× Water 4× Grass 4× Electric 0× Psychic 1× Ice 2× Dragon 1× Dark 1× None

Weak to: Normal ½× Fighting 2× Flying ½× Poison ¼× Ground 2× Rock ½× Bug 1× Ghost 1× Steel 2× Fire ½× Water 4× Grass 4× Electric 0× Psychic 1× Ice 2× Dragon 1× Dark 1× None

Immune to: Normal ½× Fighting 2× Flying ½× Poison ¼× Ground 2× Rock ½× Bug 1× Ghost 1× Steel 2× Fire ½× Water 4× Grass 4× Electric 0× Psychic 1× Ice 2× Dragon 1× Dark 1× None

Resistant to: Normal ½× Fighting 2× Flying ½× Poison ¼× Ground 2× Rock ½× Bug 1× Ghost 1× Steel 2× Fire ½× Water 4× Grass 4× Electric 0× Psychic 1× Ice 2× Dragon 1× Dark 1× None

Learnset

By leveling up

Generation V Other generations: I - II - III - IV - VI - VII - VIII - IX

BW B2W2 Move Type Cat. Power Accuracy PP 000Start 000Start Mud Sport Ground Status 0000— —}}—% 15 000Start 000Start Tackle Normal Physical 05050 100}}100% 35 000Start 000Start Harden Normal Status 0000— —}}—% 30 000Start 000Start Bind Normal Physical 01515 085}}85% 20 04646 0044 Curse Ghost Status 0000— —}}—% 10 0099 0077 Rock Throw Rock Physical 05050 090}}90% 15 01414 01010 Rage Normal Physical 02020 100}}100% 20 01717 01313 Rock Tomb Rock Physical 05050 080}}80% 10 03838 01616 Stealth Rock Rock Status 0000— —}}—% 20 03030 01919 Rock Polish Rock Status 0000— —}}—% 20 02222 02222 Smack Down Rock Physical 05050 100}}100% 15 04141 02525 DragonBreath Dragon Special 06060 100}}100% 20 03333 02828 Slam Normal Physical 08080 075}}75% 20 0066 03131 Screech Normal Status 0000— 085}}85% 40 N/AN/A 03434 Rock Slide Rock Physical 07575 090}}90% 10 05454 03737 Sand Tomb Ground Physical 03535 085}}85% 15 04949 04040 Iron Tail Steel Physical 100100 075}}75% 15 N/AN/A 04343 Dig Ground Physical 08080 100}}100% 10 06262 04646 Stone Edge Rock Physical 100100 080}}80% 5 05757 04949 Double-Edge Normal Physical 120120 100}}100% 15 02525 05252 Sandstorm Rock Status 0000— —}}—% 10

Bold indicates a move that gets STAB when used by Onix Italic indicates a move that gets STAB only when used by an Evolution of Onix Click on the generation numbers at the top to see level-up moves from other generations

By TM/HM

Generation V Other generations: I - II - III - IV - VI - VII - VIII - IX
TM		Move	Type	Cat.	Pwr.	Acc.	PP
	TM05	Roar	Normal	Status	0000—	100}}100%	20
	TM06	Toxic	Poison	Status	0000—	090}}90%	10
	TM10	Hidden Power	Normal	Special	0000—	100}}100%	15
	TM11	Sunny Day	Fire	Status	0000—	—}}—%	5
	TM12	Taunt	Dark	Status	0000—	100}}100%	20
	TM17	Protect	Normal	Status	0000—	—}}—%	10
	TM21	Frustration	Normal	Physical	0000—	100}}100%	20
	TM23	Smack Down	Rock	Physical	05050	100}}100%	15
	TM26	Earthquake	Ground	Physical	100100	100}}100%	10
	TM27	Return	Normal	Physical	0000—	100}}100%	20
	TM28	Dig	Ground	Physical	08080	100}}100%	10
	TM32	Double Team	Normal	Status	0000—	—}}—%	15
	TM37	Sandstorm	Rock	Status	0000—	—}}—%	10
	TM39	Rock Tomb	Rock	Physical	05050	080}}80%	10
	TM41	Torment	Dark	Status	0000—	100}}100%	15
	TM42	Facade	Normal	Physical	07070	100}}100%	20
	TM44	Rest	Psychic	Status	0000—	—}}—%	10
	TM45	Attract	Normal	Status	0000—	100}}100%	15
	TM48	Round	Normal	Special	06060	100}}100%	15
	TM64	Explosion	Normal	Physical	250250	100}}100%	5
	TM66	Payback	Dark	Physical	05050	100}}100%	10
	TM69	Rock Polish	Rock	Status	0000—	—}}—%	20
	TM71	Stone Edge	Rock	Physical	100100	080}}80%	5
	TM74	Gyro Ball	Steel	Physical	0000—	100}}100%	5
	TM77	Psych Up	Normal	Status	0000—	—}}—%	10
	TM78	Bulldoze	Ground	Physical	06060	100}}100%	20
	TM80	Rock Slide	Rock	Physical	07575	090}}90%	10
	TM82	Dragon Tail	Dragon	Physical	06060	090}}90%	10
	TM87	Swagger	Normal	Status	0000—	090}}90%	15
	TM90	Substitute	Normal	Status	0000—	—}}—%	10
	TM91	Flash Cannon	Steel	Special	08080	100}}100%	10
	TM94	Rock Smash	Fighting	Physical	04040	100}}100%	15
	HM04	Strength	Normal	Physical	08080	100}}100%	15
Bold indicates a move that gets STAB when used by Onix Italic indicates a move that gets STAB only when used by an Evolution of Onix Click on the generation numbers at the top to see TM moves from other generations

By breeding

Generation V Other generations: II - III - IV - VI - VII - VIII - IX
Father	Move	Type	Cat.	Pwr.	Acc.	PP
	Block	Normal	Status	—	—%	5
	Defense Curl	Normal	Status	—	—%	40
	Flail	Normal	Physical	—	100%	15
	Heavy Slam	Steel	Physical	—	100%	10
	Rock Blast	Rock	Physical	25	90%	10
	Rock Climb	Normal	Physical	90	85%	20
	Rollout	Rock	Physical	30	90%	20
	Stealth Rock	Rock	Status	—	—%	20
Moves marked with an asterisk (*) must be chain bred onto Onix in Generation V Moves marked with a double dagger (‡) can only be bred from a Pokémon who learned the move in an earlier generation. Moves marked with a superscript game abbreviation can only be bred onto Onix in that game. Bold indicates a move that gets STAB when used by Onix Italic indicates a move that gets STAB only when used by an Evolution of Onix Click on the generation numbers at the top to see Egg moves from other generations

By tutoring

Generation V Other generations: II - III - IV - VI - VII - VIII - IX
Game				Move	Type	Cat.	Pwr.	Acc.	PP
B	W	B2	W2	Bind	Normal	Physical	15	85%	20
B	W	B2	W2	Block	Normal	Status	—	—%	5
B	W	B2	W2	Dragon Pulse	Dragon	Special	90	100%	10
B	W	B2	W2	Earth Power	Ground	Special	90	100%	10
B	W	B2	W2	Iron Head	Steel	Physical	80	100%	15
B	W	B2	W2	Iron Tail	Steel	Physical	100	75%	15
B	W	B2	W2	Sleep Talk	Normal	Status	—	—%	10
B	W	B2	W2	Snore	Normal	Special	40	100%	15
B	W	B2	W2	Stealth Rock	Rock	Status	—	—%	20
A black abbreviation in a colored box indicates that Onix can be tutored the move in that game A colored abbreviation in a white box indicates that Onix cannot be tutored the move in that game Bold indicates a move that gets STAB when used by Onix Italic indicates a move that gets STAB only when used by an Evolution of Onix Click on the generation numbers at the top to see Move Tutor moves from other generations

Dream World-only moves

Generation V Other generations: I - II - III - IV - VI - VII - VIII - IX
Event	Move	Type	Cat.	Pwr.	Acc.	PP
Dream World	Rock Climb	Normal	Physical	90	85%	20
A superscript level indicates that Onix can learn this move normally in Generation V at that level Bold indicates a move that gets STAB when used by Onix Italic indicates a move that gets STAB only when used by an Evolution of Onix Click on the generation numbers at the top to see event moves from other generations

Side game data

Pokémon Pinball     Acquisition: Catch		Pokémon Pinball RS  N/A  Not available		Pokémon Trozei!    Rarity: Common
Pokémon Mystery Dungeon Red Rescue Team and Blue Rescue Team File:MDP RT 095.png Body size: 4 Recruit rate: 9.6% Friend Area: Boulder Cave Phrases 51%-100% HP I tell you, I'm better under the ground! 26%-50% HP My health is down to half. Better take it easy. 1%-25% HP It's looking bad... My body's cracking up... Level up Heheheh... Leveled up. Partner phrases 51%-100% HP <name>, my HP is between 51% and 100%. 26%-50% HP <name>, my HP is between 26% and 50%. 1%-25% HP <name>, my HP is between 1% and 25%. Level up Heheheh... Leveled up.
Pokémon Mystery Dungeon Explorers of Time, Explorers of Darkness, and Explorers of Sky Body size: 4 Recruit rate: 1% IQ group: E
Pokémon Ranger Group:  Normal  Poké Assist: None Field move: None Loops: 0 Min. exp.: 0 Max. exp.: 0 Browser entry   This Pokémon does not have a browser entry.
Pokémon Ranger: Shadows of Almia Group:  Normal  Poké Assist: None Field move: None Browser entry   This Pokémon does not have a browser entry.
Pokémon Ranger: Guardian Signs Group: Poké Assist: Field move:  Normal  None Past ( Normal ) None Past (Electrify ×1) Browser entry   This Pokémon does not have a browser entry.
Pokémon Rumble Attack ● Defense ●●●● Speed ●●● Attack Not Available Defense Speed			Pokémon Rumble Blast Attack ● Defense ●●●● Speed ●●● Attack Not Available Defense Speed Attack Not Available Defense Speed Attack Not Available Defense Speed
PokéPark Wii: Pikachu's Adventure PokéPark Pad entry: This Pokémon has no PokéPark Pad entry.
PokéPark 2: Wonders Beyond Strong: {{{Park2strong}}} Weak: {{{Park2weak}}} PokéPark Pad entry: This Pokémon has no PokéPark Pad entry.
Pokémon Conquest HP: Move: {{{ConquestMove}}} Attack: Ability 1: {{{ConquestAbility1}}} Defense: Ability 2: {{{ConquestAbility2}}} Speed: Ability 3: {{{ConquestAbility3}}} Does not evolve. Range: 0 Perfect Links: {{{ConquestLink}}}

Evolution

Unevolved Onix  Rock  Ground

Trade holding Metal Coat →

First Evolution Steelix  Steel  Ground

Sprites

Gen	Game
I	Red	Blue	Yellow		Red (Ja)	Green	Back
II	Gold	Silver	Crystal				Back
III	Ruby	Sapphire	Emerald		FireRed	LeafGreen	Back
IV	Diamond	Pearl	Platinum		HeartGold	SoulSilver	Back
V	Black	White	Black 2	White 2			Back

For other sprites and images, please see Onix images on Bulbagarden Archives.

Trivia

• In Generation I, Onix was the longest Pokémon, but in Generation II, it was dropped to second place by its evolution Steelix. When Wailord was introduced in Generation III, it became the third longest.
• Onix is the first Pokémon in the National Pokédex order that gained an evolution when it did not evolve from or into another Pokémon in its debut Generation.
• Onix is the largest and heaviest Pokémon that evolves once.
• Despite having a visible horn, Onix cannot learn Horn Attack, Megahorn, or {m|Horn Drill}}.
• Onix, in Generation I, is the highest-level non-legendary wild Pokémon available without the use of a glitch that the Pokédex has recorded data on its location. Onix can be found in Kanto's Victory Road at level 49.
  • However, Ditto up to level 65 can be found in the Cerulean Cave, but in the Generation I games, the Pokédex does not inform the player of the Pokémon available in the cave, as Pokémon only found there would just display as "Area Unknown" in the Area section of the Pokédex.
• By being under the ownership of Bruno in Generation II, Onix is one of the few unevolved Pokémon that can evolve in the same generation as that of the Elite Four member to whom it belongs, the others being Dragonair, Shelgon, Haunter, and Sealeo. However, it's the only one where the Elite Four member doesn't own its evolved form.
• Of all the Pokémon that can evolve, Onix has the highest base Defense.
• Onix is the largest Pokémon that can legally hatch from an Egg that has no pre-evolution.
• Onix is one of four Pokémon which changes its primary type upon evolution (from Rock to Steel). The others are Azurill, Swablu and Eevee.
  • Onix and Swablu are also the only dual-typed Pokémon that have their primary type change during evolution.
    • In addition, Onix is the only Pokémon whose evolved form has a type-advantage against its predecessor, without that type being identical to both Pokémon (such as Dragon or Ghost).
• The Onix family is the only one whose all members can be acquired with in-game trades. However it's only possible in Pokémon HeartGold and SoulSilver where the player can trade Bellsprout for Onix in Violet City and any Pokémon for Steelix in Olivine City.
• An item in the games called the Lagging Tail resembles the end of Onix's tail.

Origin

Onix is most likely based on a combination of a snake and earthworm. It may also been based on the wyrm, a type of dragon that has been presented as limbless and burrowing.

Name origin

Onix is a corruption of onyx (a mineral).

Iwark may be a combination of 岩 iwa (rock) and スネ−ク snake.

In other languages

Language Title Meaning Japanese イワーク Iwark From 岩 iwa and スネ−ク French Onix Same as English name Spanish Onix Same as English name German Onix Same as English name Italian Onix Same as English name Korean 롱스톤 Rongseuton From the English words long stone Mandarin Chinese 大岩蛇 Dàyánshé Literally "Big boulder snake" Cantonese Chinese 大岩蛇 Daaihngàahmsèh Literally "Big boulder snake"

More languages

Related articles

• Brock's Onix
• Bruno's Onix
• Crystal Onix

External links

• Article on Wikipedia

Notes

Super Smash Bros. series Games: Super Smash Bros. • Super Smash Bros. Melee • Super Smash Bros. Brawl Super Smash Bros. for Nintendo 3DS/Wii U • Super Smash Bros. Ultimate Characters: Pikachu • Jigglypuff • Mewtwo • Pichu Pokémon Trainer (Squirtle • Ivysaur • Charizard) • Lucario • Greninja • Incineroar Stages: Saffron City • Pokémon Stadium • Poké Floats • Pokémon Stadium 2 • Spear Pillar Prism Tower • Unova Pokémon League • Kalos Pokémon League Poké Ball and Master Ball: Abomasnow • Abra • Alolan Exeggutor • Alolan Raichu • Alolan Vulpix • Arceus • Articuno • Beedrill Bellossom • Bewear • Blastoise • Bonsly • Celebi • Chansey • Charizard • Chespin • Chikorita • Clefairy Cyndaquil • Darkrai • Dedenne • Deoxys • Ditto • Eevee • Electrode • Entei • Fennekin Fletchling • Gardevoir • Genesect • Giratina • Gogoat • Goldeen • Groudon • Gulpin • Hitmonlee Ho-Oh • Inkay • Jirachi • Keldeo • Koffing • Kyogre • Kyurem • Latias and Latios Lugia • Lunala • Manaphy • Marill • Marshadow • Meloetta • Meowth • Mew • Metagross • Mimikyu Moltres • Munchlax • Onix • Oshawott • Palkia • Piplup • Porygon2 • Pyukumuku • Raikou • Scizor • Snivy Snorlax • Solgaleo • Spewpa • Staryu • Starmie • Suicune • Swirlix • Tapu Koko • Togedemaru • Togepi Torchic • Unown • Venusaur • Victini • Vulpix • Weavile • Weezing • Wobbuffet • Xerneas • Zapdos • Zoroark Collectables: Trophies (Melee • Brawl • for Nintendo 3DS/Wii U) Stickers Spirits Misc: The Subspace Emissary • My Music • Final Smash • Pokémon Change • Brawl cameos

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This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon species, as well as Pokémon groups and forms.