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#0138 · Generation I

Omanyte

Rock / Water · Spiral Pokémon — first seen in Generation I.

Showing the official games. Pick a ROM hack to see how it changes this Pokémon, or compare all of them.

Base stats

StatBaseMinMax
HP35
180274
Attack40
76196
Defense100
184328
Sp. Attack90
166306
Sp. Defense55
103229
Speed35
67185
Total355

Min and max are at level 100: the minimum is 0 IVs, 0 EVs and a hindering nature, the maximum 31 IVs, 252 EVs and a beneficial nature. Shedinja's HP is always 1 whatever the formula says.

Type defences

Damage Omanyte takes from each attacking type.

×4
Grass
×2
FightingGroundElectric
×½
NormalFlyingPoisonIce
×¼
Fire
×1
RockBugGhostSteelWaterPsychicDragonDarkFairy

Evolution

Methods are the current official ones. A ROM hack may change them — trade evolutions especially; the guide table below says which do.

Moves by official game

Level-up, TM/HM, tutor and egg moves exactly as each game has them. The newest game this site covers is open; the rest fold out.

Ultra Sun / Ultra Moon14 level-up · 28 TM/HM · 8 tutor · 14 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
50Shell SmashNormalStatus——15
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM23Smack DownRockPhysical50100%15
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM48RoundNormalSpecial60100%15
TM55ScaldWaterSpecial80100%15
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM80Rock SlideRockPhysical7590%10
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94SurfWaterSpecial90100%15
TM98WaterfallWaterPhysical80100%15

Move tutor

MoveTypeCat.PowerAcc.PP
BindNormalPhysical1585%20
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
Knock OffDarkPhysical65100%20
Iron DefenseSteelStatus——15
Water PulseWaterSpecial60100%20
Earth PowerGroundSpecial90100%10
Stealth RockRockStatus——20

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
BideNormalPhysical——10
SpikesGroundStatus——20
WhirlpoolWaterSpecial3585%15
Knock OffDarkPhysical65100%20
Muddy WaterWaterSpecial9085%10
Water PulseWaterSpecial60100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
Reflect TypeNormalStatus——15
Sun / Moon14 level-up · 28 TM/HM · 14 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
50Shell SmashNormalStatus——15
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM23Smack DownRockPhysical50100%15
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM48RoundNormalSpecial60100%15
TM55ScaldWaterSpecial80100%15
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM80Rock SlideRockPhysical7590%10
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94SurfWaterSpecial90100%15
TM98WaterfallWaterPhysical80100%15

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
BideNormalPhysical——10
SpikesGroundStatus——20
WhirlpoolWaterSpecial3585%15
Knock OffDarkPhysical65100%20
Muddy WaterWaterSpecial9085%10
Water PulseWaterSpecial60100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
Reflect TypeNormalStatus——15
Omega Ruby / Alpha Sapphire14 level-up · 31 TM/HM · 8 tutor · 14 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
50Shell SmashNormalStatus——15
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM23Smack DownRockPhysical50100%15
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM48RoundNormalSpecial60100%15
TM55ScaldWaterSpecial80100%15
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM80Rock SlideRockPhysical7590%10
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94Secret PowerNormalPhysical70100%20
HM03SurfWaterSpecial90100%15
HM05WaterfallWaterPhysical80100%15
HM06Rock SmashFightingPhysical40100%15
HM07DiveWaterPhysical80100%10

Move tutor

MoveTypeCat.PowerAcc.PP
BindNormalPhysical1585%20
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
Knock OffDarkPhysical65100%20
Iron DefenseSteelStatus——15
Water PulseWaterSpecial60100%20
Earth PowerGroundSpecial90100%10
Stealth RockRockStatus——20

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
BideNormalPhysical——10
SpikesGroundStatus——20
WhirlpoolWaterSpecial3585%15
Knock OffDarkPhysical65100%20
Muddy WaterWaterSpecial9085%10
Water PulseWaterSpecial60100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
Reflect TypeNormalStatus——15
X / Y14 level-up · 29 TM/HM · 14 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
50Shell SmashNormalStatus——15
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM23Smack DownRockPhysical50100%15
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM48RoundNormalSpecial60100%15
TM55ScaldWaterSpecial80100%15
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM80Rock SlideRockPhysical7590%10
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
HM03SurfWaterSpecial90100%15
HM05WaterfallWaterPhysical80100%15

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
BideNormalPhysical——10
SpikesGroundStatus——20
WhirlpoolWaterSpecial3585%15
Knock OffDarkPhysical65100%20
Muddy WaterWaterSpecial9085%10
Water PulseWaterSpecial60100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
Reflect TypeNormalStatus——15
Black 2 / White 214 level-up · 28 TM/HM · 8 tutor · 13 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
52Shell SmashNormalStatus——15
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM23Smack DownRockPhysical50100%15
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM48RoundNormalSpecial60100%15
TM55ScaldWaterSpecial80100%15
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM80Rock SlideRockPhysical7590%10
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
HM03SurfWaterSpecial90100%15
HM05WaterfallWaterPhysical80100%15
HM06DiveWaterPhysical80100%10

Move tutor

MoveTypeCat.PowerAcc.PP
BindNormalPhysical1585%20
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
Sleep TalkNormalStatus——10
Knock OffDarkPhysical65100%20
Iron DefenseSteelStatus——15
Earth PowerGroundSpecial90100%10
Stealth RockRockStatus——20

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
BideNormalPhysical——10
SpikesGroundStatus——20
WhirlpoolWaterSpecial3585%15
Knock OffDarkPhysical65100%20
Muddy WaterWaterSpecial9085%10
Water PulseWaterSpecial60100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
Black / White14 level-up · 28 TM/HM · 13 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
52Shell SmashNormalStatus——15
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM23Smack DownRockPhysical50100%15
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM48RoundNormalSpecial60100%15
TM55ScaldWaterSpecial80100%15
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM80Rock SlideRockPhysical7590%10
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
HM03SurfWaterSpecial90100%15
HM05WaterfallWaterPhysical80100%15
HM06DiveWaterPhysical80100%10

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
BideNormalPhysical——10
SpikesGroundStatus——20
WhirlpoolWaterSpecial3585%15
Knock OffDarkPhysical65100%20
Muddy WaterWaterSpecial9085%10
Water PulseWaterSpecial60100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
HeartGold / SoulSilver13 level-up · 33 TM/HM · 9 tutor · 11 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
52Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM55BrineWaterSpecial65100%10
TM58EndureNormalStatus——10
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM76Stealth RockRockStatus——20
TM78CaptivateNormalStatus—100%20
TM80Rock SlideRockPhysical7590%10
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM03SurfWaterSpecial90100%15
HM05WhirlpoolWaterSpecial3585%15
HM06Rock SmashFightingPhysical40100%15
HM07WaterfallWaterPhysical80100%15

Move tutor

MoveTypeCat.PowerAcc.PP
HeadbuttNormalPhysical70100%15
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
RolloutRockPhysical3090%20
Ancient PowerRockSpecial60100%5
Knock OffDarkPhysical65100%20
DiveWaterPhysical80100%10
Iron DefenseSteelStatus——15
Earth PowerGroundSpecial90100%10

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Rock SlideRockPhysical7590%10
SpikesGroundStatus——20
Knock OffDarkPhysical65100%20
Muddy WaterWaterSpecial9085%10
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
Platinum13 level-up · 32 TM/HM · 8 tutor · 10 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
52Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM55BrineWaterSpecial65100%10
TM58EndureNormalStatus——10
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM76Stealth RockRockStatus——20
TM78CaptivateNormalStatus—100%20
TM80Rock SlideRockPhysical7590%10
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM03SurfWaterSpecial90100%15
HM06Rock SmashFightingPhysical40100%15
HM07WaterfallWaterPhysical80100%15

Move tutor

MoveTypeCat.PowerAcc.PP
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
RolloutRockPhysical3090%20
Ancient PowerRockSpecial60100%5
Knock OffDarkPhysical65100%20
DiveWaterPhysical80100%10
Iron DefenseSteelStatus——15
Earth PowerGroundSpecial90100%10

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Rock SlideRockPhysical7590%10
SpikesGroundStatus——20
Knock OffDarkPhysical65100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
Diamond / Pearl13 level-up · 32 TM/HM · 10 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
7BiteDarkPhysical60100%25
10Water GunWaterSpecial40100%25
16RolloutRockPhysical3090%20
19LeerNormalStatus—100%30
25Mud ShotGroundSpecial5595%15
28BrineWaterSpecial65100%10
34ProtectNormalStatus——10
37Ancient PowerRockSpecial60100%5
43TickleNormalStatus—100%20
46Rock BlastRockPhysical2590%10
52Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
TM55BrineWaterSpecial65100%10
TM58EndureNormalStatus——10
TM69Rock PolishRockStatus——20
TM74Gyro BallSteelPhysical—100%5
TM76Stealth RockRockStatus——20
TM78CaptivateNormalStatus—100%20
TM80Rock SlideRockPhysical7590%10
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM03SurfWaterSpecial90100%15
HM06Rock SmashFightingPhysical40100%15
HM07WaterfallWaterPhysical80100%15

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Rock SlideRockPhysical7590%10
SpikesGroundStatus——20
Knock OffDarkPhysical65100%20
Wring OutNormalSpecial—100%5
Toxic SpikesPoisonStatus——20
FireRed / LeafGreen10 level-up · 22 TM/HM · 5 tutor · 7 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
13BiteDarkPhysical60100%25
19Water GunWaterSpecial40100%25
25Mud ShotGroundSpecial5595%15
31LeerNormalStatus—100%30
37ProtectNormalStatus——10
43TickleNormalStatus—100%20
49Ancient PowerRockSpecial60100%5
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
HM03SurfWaterSpecial90100%15
HM06Rock SmashFightingPhysical40100%15
HM07WaterfallWaterPhysical80100%15
HM08DiveWaterPhysical80100%10

Move tutor

MoveTypeCat.PowerAcc.PP
Body SlamNormalPhysical85100%15
Double-EdgeNormalPhysical120100%15
MimicNormalStatus——10
Rock SlideRockPhysical7590%10
SubstituteNormalStatus——10

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Rock SlideRockPhysical7590%10
SpikesGroundStatus——20
Emerald10 level-up · 22 TM/HM · 11 tutor · 7 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
13BiteDarkPhysical60100%25
19Water GunWaterSpecial40100%25
25Mud ShotGroundSpecial5595%15
31LeerNormalStatus—100%30
37ProtectNormalStatus——10
43TickleNormalStatus—100%20
49Ancient PowerRockSpecial60100%5
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
HM03SurfWaterSpecial90100%15
HM06Rock SmashFightingPhysical40100%15
HM07WaterfallWaterPhysical80100%15
HM08DiveWaterPhysical80100%10

Move tutor

MoveTypeCat.PowerAcc.PP
Body SlamNormalPhysical85100%15
Double-EdgeNormalPhysical120100%15
MimicNormalStatus——10
Rock SlideRockPhysical7590%10
SubstituteNormalStatus——10
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
EndureNormalStatus——10
RolloutRockPhysical3090%20
SwaggerNormalStatus—85%15
Sleep TalkNormalStatus——10

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Rock SlideRockPhysical7590%10
SpikesGroundStatus——20
Ruby / Sapphire10 level-up · 22 TM/HM · 7 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
13BiteDarkPhysical60100%25
19Water GunWaterSpecial40100%25
25Mud ShotGroundSpecial5595%15
31LeerNormalStatus—100%30
37ProtectNormalStatus——10
43TickleNormalStatus—100%20
49Ancient PowerRockSpecial60100%5
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM10Hidden PowerNormalSpecial60100%15
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM37SandstormRockStatus——10
TM39Rock TombRockPhysical6095%15
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
HM03SurfWaterSpecial90100%15
HM06Rock SmashFightingPhysical40100%15
HM07WaterfallWaterPhysical80100%15
HM08DiveWaterPhysical80100%10

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Rock SlideRockPhysical7590%10
SpikesGroundStatus——20
Crystal8 level-up · 23 TM/HM · 1 tutor · 5 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
13BiteDarkPhysical60100%25
19Water GunWaterSpecial40100%25
31LeerNormalStatus—100%30
37ProtectNormalStatus——10
49Ancient PowerRockSpecial60100%5
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM02HeadbuttNormalPhysical70100%15
TM03CurseGhostStatus——10
TM04RolloutRockPhysical3090%20
TM06ToxicPoisonStatus—90%10
TM08Rock SmashFightingPhysical40100%15
TM10Hidden PowerNormalSpecial60100%15
TM13SnoreNormalSpecial50100%15
TM14BlizzardIceSpecial11070%5
TM16Icy WindIceSpecial5595%15
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM20EndureNormalStatus——10
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM34SwaggerNormalStatus—85%15
TM35Sleep TalkNormalStatus——10
TM37SandstormRockStatus——10
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
HM03SurfWaterSpecial90100%15
HM06WhirlpoolWaterSpecial3585%15

Move tutor

MoveTypeCat.PowerAcc.PP
Ice BeamIceSpecial90100%10

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Gold / Silver8 level-up · 23 TM/HM · 5 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1WithdrawWaterStatus——40
1ConstrictNormalPhysical10100%35
13BiteDarkPhysical60100%25
19Water GunWaterSpecial40100%25
31LeerNormalStatus—100%30
37ProtectNormalStatus——10
49Ancient PowerRockSpecial60100%5
55Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM02HeadbuttNormalPhysical70100%15
TM03CurseGhostStatus——10
TM04RolloutRockPhysical3090%20
TM06ToxicPoisonStatus—90%10
TM08Rock SmashFightingPhysical40100%15
TM10Hidden PowerNormalSpecial60100%15
TM13SnoreNormalSpecial50100%15
TM14BlizzardIceSpecial11070%5
TM16Icy WindIceSpecial5595%15
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM20EndureNormalStatus——10
TM21FrustrationNormalPhysical—100%20
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM34SwaggerNormalStatus—85%15
TM35Sleep TalkNormalStatus——10
TM37SandstormRockStatus——10
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM46ThiefDarkPhysical60100%25
HM03SurfWaterSpecial90100%15
HM06WhirlpoolWaterSpecial3585%15

Egg moves

MoveTypeCat.PowerAcc.PP
SlamNormalPhysical8075%20
SupersonicNormalStatus—55%20
Bubble BeamWaterSpecial65100%20
Aurora BeamIceSpecial65100%20
HazeIceStatus——30
Yellow6 level-up · 16 TM/HM

Level-up

LvMoveTypeCat.PowerAcc.PP
1Water GunWaterSpecial40100%25
1WithdrawWaterStatus——40
34Horn AttackNormalPhysical65100%25
39LeerNormalStatus—100%30
46Spike CannonNormalPhysical20100%15
53Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM08Body SlamNormalPhysical85100%15
TM09Take DownNormalPhysical9085%20
TM10Double-EdgeNormalPhysical120100%15
TM11Bubble BeamWaterSpecial65100%20
TM12Water GunWaterSpecial40100%25
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM20RageNormalPhysical20100%20
TM31MimicNormalStatus——10
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM34BideNormalPhysical——10
TM44RestPsychicStatus——5
TM50SubstituteNormalStatus——10
HM03SurfWaterSpecial90100%15
Red / Blue6 level-up · 16 TM/HM

Level-up

LvMoveTypeCat.PowerAcc.PP
1Water GunWaterSpecial40100%25
1WithdrawWaterStatus——40
34Horn AttackNormalPhysical65100%25
39LeerNormalStatus—100%30
46Spike CannonNormalPhysical20100%15
53Hydro PumpWaterSpecial11080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM08Body SlamNormalPhysical85100%15
TM09Take DownNormalPhysical9085%20
TM10Double-EdgeNormalPhysical120100%15
TM11Bubble BeamWaterSpecial65100%20
TM12Water GunWaterSpecial40100%25
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM20RageNormalPhysical20100%20
TM31MimicNormalStatus——10
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM34BideNormalPhysical——10
TM44RestPsychicStatus——5
TM50SubstituteNormalStatus——10
HM03SurfWaterSpecial90100%15

Where to find it in the official games

Every area in the 16 official games on this site that has it, from each game's own encounter tables.

Gift, static and special

GameAreaMethodLevelsRate
Red / BlueCinnabar IslandGift
with the Helix Fossil
30—
YellowCinnabar IslandGift
with the Helix Fossil
30—
FireRed / LeafGreenCinnabar IslandGift
with the Helix Fossil
5—
Diamond / PearlOreburgh CityGift
with the Helix Fossil
20—
PlatinumOreburgh CityGift
with the Helix Fossil
20—
HeartGold / SoulSilverPewter CityGift
with the Helix Fossil
20—
Black / WhiteNacrene CityGift
with the Helix Fossil
25—
Black 2 / White 2Nacrene CityGift
with the Helix Fossil
25—
Ultra Sun / Ultra MoonRoute 8Gift15—

Where to find it in the ROM hacks

43 guides on this site put it somewhere you can catch it. Areas link to that guide's own route page, with its own rates and levels.

GuideWhere
Pokémon Too Many Types 2
Mirage TowerGrass · Lv — · 10%
Mirage TowerHidden · Lv — · 40%
Pokémon Heart & Soul
Whirl IslandsGrass · Lv 27-28 · 1%rare
Infinite Fusion
Underwater (Route 12)Rock Smash (Remix) · Lv 25-40 · 50%
Underwater (Route 13)Rock Smash (Remix) · Lv 25-40 · 50%
Kindle RoadOld Rod (Remix) · Lv 10 · 5%rare
Celia's Stupid Romhack
Route 9Grass · Lv 17-20 · 100%
Sword and Shield Ultimate Plus
Route 6Gift · Lv — · 100%
Lazarus
Erinys Path (West)Wild (Day) · Lv 15-17 · 10%
Erinys Path (West)Wild (Night) · Lv 15-17 · 10%
Marmaro IslandEvent · Lv 10 · Helix Fossil, 2000
Pokémon Odyssey
Etrian
Second Stratum (Sandy Caves)Old Rod · Lv 5 · 100%
Second Stratum (Sandy Caves)Good Rod · Lv 5-15 · 80%
Second Stratum (Sandy Caves)Super Rod · Lv 15-25 · 70%
Blaze Black 2 Redux & Volt White 2 Redux
Relic Castle - Lower FloorsGrass · Lv 30 · 5%rare
Pokémon Phoenix Red
Mt. Moon 1FOld Rod · Lv 10 · 30%
Mt. Moon 1FGood Rod · Lv 20 · 40%
Rock Tunnel B1FOld Rod · Lv 16-18 · 70%
and 1 more area
Radical Red
Elite Redux
Sandstrewn Ruins B1FGrass · Lv — · 20%
Pokémon Emerald Kaizo
Route 115Surf · Lv 43 · 1%rare
Route 115Old Rod · Lv 9 · 30%
Route 115Good Rod · Lv 20 · 20%
and 2 more areas
Renegade Platinum
Eterna CityGift · Lv 20
Pokémon Odyssey II: Heroes of Lemuria
Primitive JungleOld Rod · Lv 5-5 · 70%
Primitive JungleGood Rod · Lv 5-15 · 60%
Primitive JungleSuper Rod · Lv 20-25 · 40%
Pokémon FireRed & LeafGreen+
Pokémon Aesthetic Red
Cinnabar IslandFossils · Lv ?
Unknown DungeonGrass / Cave · Lv ?
Unknown DungeonSurf · Lv ?
Pokemon Modern Emerald
Victory RoadSuper Rod · Lv 30-35 · 40%
Pokémon Crippling Medical Debt Edition
Granite Cave Back RoomRock Smash · Lv 20-25 · 5%rare
Mauville CityGood Rod · Lv 20-25 · 20%
Pokémon Emerald Imperium
Desert UnderpassGrass · Lv 30-32 · 20%
Pokémon Platinum Kaizo
Lake VerityGood Rod · Lv 46320 · 40%
Oreburgh Gate B1FOld Rod · Lv ? · 60%
Oreburgh Gate B1FGood Rod · Lv ? · 40%
and 5 more areas
Pokémon Classic
Cinnabar IslandGift · Lv 20
Pokémon WaveBlue
Low Budget Crystal
Pokémon Emerald Squared
Route 107Land · Lv 15-22 · 5%
Mirage Tower 1FLand · Lv 20-30 · 5%
Mirage Tower 2FLand · Lv 20-30 · 5%
and 3 more areas
Pokémon FireRed Reignited & LeafGreen Regrown
Seafoam Islands B4FSuper Rod · Lv 15-25 · 40%
and 1 more area
Blaze Black 2 & Volt White 2
Relic Castle - Lower FloorsFloor — Room Right of Pots · Lv 30 · 5%rare
Rising Ruby & Sinking Sapphire
Seafloor Cavern OutWalking · Lv 44
Fire Red Omega
Cinnabar IslandFossil · Lv —
Tanoby RuinsSurf · Lv —
Pokemon Kanto Expansion Pak
Bills GardenSurf · Lv 44-45 · 29.7%
Pokémon Peridot Version
Lost LandSurf · Lv 35 · 50%
Lost LandGood Rod · Lv 35 · 50%
Power Plant 1F BGift · Lv 30
HeartGold Generations
National ParkGrass (morning / day) · Lv 10 · 20%
National ParkGrass (morning / day, Hoenn Sound) · Lv 10 · 20%
National ParkGrass (morning / day, Sinnoh Sound) · Lv 10 · 20%
Pokémon FireRed Deluxe
Pewter CityEvent · Lv ?
Crystaleye CavernOld Rod · Lv ? · 30%
Crystaleye CavernGood Rod · Lv ? · 20%
Pokémon Platinum Redux
Route 219Grass · Lv ? · 14%
Mining MuseumFossil · Lv ?
Pokémon Saiph 2
Sabbio TownGift · Lv 5
Pokémon Parallel Emerald
Route 117Old Rod · Lv ? · 30%
Abandoned ShipOld Rod · Lv ? · 30%
Pokémon Sour Crystal
Pokémon Black Pearl Emerald
Meteor FallsSuper Rod · Lv 29-35 · 4%rare
Route 104Grass · Lv 2-8 · 1%rare
Route 106Old Rod · Lv 11-17 · 30%
and 3 more areas
Pokémon Project Nova
Mt. MoonGood Rod (1st Floor) · Lv 15 · 33%
Mt. MoonGift · Lv 15
Pokémon Emerald Rule-ette
Route 109Surf · Lv 25-30 · 5%rare
Pokémon Timeless Diamond & Spaceless Pearl
Route 230Advance Radar (FireRed Cartridge) · Lv 55 · 4%
Pokémon Crystal Legacy
Pokémon Emerald Seaglass
Fortree CityGood Rod · Lv 5-20 · 20%
Fortree CitySuper Rod · Lv 5-30 · 40%
Pacifidlog TownSurf · Lv 10-30 · 5%rare
and 1 more area
Pokémon Yellow Legacy
Seafoam IslandsSuper Rod · Lv 35 · 20%
Cinnabar IslandGift (with the Helix Fossil) · Lv 40
Unboundnot in the wild in this guide's tables — evolve, trade or battle it
Emerald Roguenot in the wild in this guide's tables — evolve, trade or battle it
Pokémon R.O.W.Enot in the wild in this guide's tables — evolve, trade or battle it
Pokémon GS Chroniclesnot in the wild in this guide's tables — evolve, trade or battle it
Inclement Emeraldnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Valiantnot in the wild in this guide's tables — evolve, trade or battle it
Gaianot in the wild in this guide's tables — evolve, trade or battle it
Pokémon: Wishes of Tomorrownot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Exceedednot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Hoenn's Last Wishnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Polished Crystalnot in the wild in this guide's tables — evolve, trade or battle it
Sacred Gold & Storm Silvernot in the wild in this guide's tables — evolve, trade or battle it
Pokémon SoothingSilvernot in the wild in this guide's tables — evolve, trade or battle it
Blaze Black & Volt Whitenot in the wild in this guide's tables — evolve, trade or battle it
Pokémon FireRed: Rocket Editionnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Overcomplicatednot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Mirror Goldnot in the wild in this guide's tables — evolve, trade or battle it

Compare official Omanyte with the ROM hacks →

In the 59 guides that include it

Changed in 52 of 59 guides: retyped in 4, stats in 13, abilities in 23, evolution in 47.

Every ROM hack on this site that has Omanyte, and what it did to it. Guides that changed something are first. Click one for that version's full page — locations, moveset and TMs.

GuideTypeTotalAbilities
Unbound
Evolves into Omastar at level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Too Many Types 2ChangedRockWater→HolyAncient355—
Pokémon Heart & Soul
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Infinite Fusion
Evolves into: Omastar (Level 40)
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon R.O.W.E
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Celia's Stupid Romhack
Evolves into Krabby at Level 55
ChangedRockWater355Swift Swim, Shell Jaw
+ Shell Jaw
Sword and Shield Ultimate Plus
Evolves into Omastar — Level 40
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
LazarusChangedRockWater355
+10 Attack, -10 Sp. Atk
Skill Link, Shell Armor, Weak Armor
+ Skill Link − Swift Swim
Blaze Black 2 Redux & Volt White 2 Redux
evolves into Omastar at Level 30
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Phoenix Red
Evolves into Omastar at Level 24
ChangedRockWater350 -5
+20 HP, -50 Defense, -10 Sp. Atk, +30 Sp. Def, +5 Speed
Swift Swim, Shell Armor
− Weak Armor
Radical Red
Evolves into Omastar at Level 34
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Elite Redux
Evolves into Omastar at level 28
ChangedRockWater355Weak Armor, Swift Swim, Mystic Power
Pokémon Emerald Kaizo
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Inclement Emerald
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Renegade Platinum
evolves into Omastar at Level 30
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon Odyssey II: Heroes of Lemuria
Evolves at Lv. 40
ChangedRockWater→GhostWater355
+50 Attack, -50 Sp. Atk
Swift Swim, Multiscale
+ Multiscale − Shell Armor, Weak Armor
Pokémon FireRed & LeafGreen+
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon Aesthetic Red
Evolves into Omastar — LVL 40
ChangedRockWater365 +10
+10 Sp. Def
Weak Armor, Skill Link
+ Skill Link − Swift Swim, Shell Armor
Pokemon Modern Emerald
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor
Pokémon Crippling Medical Debt Edition
Evolves into Omastar at Level 40
Changed0 -355
-35 HP, -40 Attack, -100 Defense, -90 Sp. Atk, -55 Sp. Def, -35 Speed
—
Pokémon Valiant
Evolves into Omastar at level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Emerald Imperium
Evolves into Omastar at level 34
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Platinum Kaizo
Evolves into Omastar — Level (Mt. Coronet) (40)
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon Classic
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon: Wishes of Tomorrow
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Exceeded
Evolves into Omastar at level 40
ChangedRockWater→Water355Swift Swim, Weak Armor
Pokémon WaveBlue
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Hoenn's Last Wish
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Low Budget Crystal
Evolves into Omastar at level 32
ChangedRockWater400 +45
+30 HP, +5 Sp. Def, +10 Speed
Swift Swim
− Shell Armor, Weak Armor
Pokémon Emerald Squared
Evolves into Omastar at level 32
ChangedRockWater355
-5 Attack, +5 Speed
Swift Swim, Shell Armor, Weak Armor
Pokémon FireRed Reignited & LeafGreen Regrown
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon Polished Crystal
Evolves into Omastar at level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Sacred Gold & Storm SilverChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon SoothingSilver
Evolves into Omastar at Lv. 40
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Fire Red OmegaChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon FireRed: Rocket Edition
Evolves into Omastar at Level 40
ChangedRockWater355
-55 Sp. Atk, +35 Sp. Def, +20 Speed
Swift Swim, Shell Armor
− Weak Armor
Pokemon Kanto Expansion Pak
Evolves into Omastar at level 40
ChangedRockWater390 +35
+35 Sp. Def
—
Pokémon Peridot Version
Evolves into Omastar at level 40
ChangedRockWater355—
HeartGold Generations
Evolves into Omastar — at level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon FireRed Deluxe
Evolves into Omastar at Level 33
ChangedRockWater385 +30
+15 HP, +15 Attack
Shell Armor, Swift Swim
− Weak Armor
Pokémon Platinum Redux
Evolves at Lv. 30. The documentation gives the level but not what it turns into
ChangedRockWater→WaterRock430 +75
+35 HP, +15 Attack, -10 Sp. Atk, +15 Sp. Def, +20 Speed
Swift Swim, Rough Skin
+ Rough Skin − Shell Armor, Weak Armor
Pokémon Saiph 2Changed0 -355
-35 HP, -40 Attack, -100 Defense, -90 Sp. Atk, -55 Sp. Def, -35 Speed
—
Pokémon Parallel Emerald
Evolves into Omastar at level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Sour Crystal
Evolves into Omastar at level 40
ChangedRockWater355—
Pokémon Black Pearl Emerald
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Project Nova
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon Emerald Rule-ette
Evolves into Omastar at Level 40
ChangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon Mirror Gold
Evolves into Omastar — at level 32
ChangedRockWater355Swift Swim, Battle Armor
+ Battle Armor − Shell Armor, Weak Armor
Pokémon Timeless Diamond & Spaceless Pearl
Evolves into Omastar — Level 40
ChangedRockWater355Swift Swim, Shell Armor
− Weak Armor
Pokémon Crystal Legacy
Evolves into Omastar at level 40
ChangedRockWater355—
Pokémon Emerald Seaglass
Evolves into Omastar at Level 40
ChangedRockWater355
+10 Attack, -10 Sp. Atk
Skill Link, Shell Armor, Weak Armor
+ Skill Link − Swift Swim
Pokémon Yellow Legacy
Evolves into Omastar at level 40
ChangedRockWater390—
Emerald RogueUnchangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon GS ChroniclesUnchangedRockWater355Swift Swim, Shell Armor, Weak Armor
GaiaUnchangedRockWater355Swift Swim, Shell Armor, Weak Armor
Blaze Black 2 & Volt White 2UnchangedRockWater355Swift Swim, Shell Armor, Weak Armor
Rising Ruby & Sinking SapphireUnchangedRockWater355Swift Swim, Shell Armor, Weak Armor
Blaze Black & Volt WhiteUnchangedRockWater355Swift Swim, Shell Armor, Weak Armor
Pokémon OvercomplicatedUnchangedRockWater355Dragons Maw

Pokédex entries

What each game says about it, in the games' own words.

Red / BlueAlthough long extinct, in rare cases, it can be genetically resurrected from fossils.
YellowAn ancient POKéMON that was recovered from a fossil. It swims by cleverly twisting its 10 tentacles about.
GoldRevived from an ancient fossil, this POKéMON uses air stored in its shell to sink and rise in water.
SilverThis POKéMON from ancient times is said to have navi­ gated the sea by adeptly twisting its 10 tentacles.
CrystalIn prehistoric times, it swam on the sea floor, eating plankton. Its fossils are sometimes found.
Ruby / SapphireOMANYTE is one of the ancient and long- since-extinct POKéMON that have been regenerated from fossils by people. If attacked by an enemy, it withdraws itself inside its hard shell.
EmeraldOne of the ancient and long-since-extinct POKéMON that have been regenerated from fossils by humans. If attacked, it withdraws into its hard shell.
FireRedA prehistoric POKéMON that lived in the primordial sea, it swims by twisting its 10 tentacles about.
LeafGreenAlthough long extinct, in rare cases, it can be genetically regenerated from fossils.
Diamond / Pearl / Platinum / Black / White / Black 2 / White 2A Pokémon that was resurrected from a fossil using modern science. It swam in ancient seas.
HeartGold / YRevived from an ancient fossil, this Pokémon uses air stored in its shell to sink and rise in water.
SoulSilverThis Pokémon from ancient times is said to have navigated the sea by adeptly twisting its 10 tentacles.
XA prehistoric Pokémon that lived in the primordial sea, it swims by twisting its 10 tentacles about.
Omega Ruby / Alpha SapphireOmanyte is one of the ancient and long-since-extinct Pokémon that have been regenerated from fossils by people. If attacked by an enemy, it withdraws itself inside its hard shell.
Ultra SunOmanyte lived in the seas of antiquity. Its fossils have been found bearing bite marks from Archeops, so apparently Archeops preyed on it.
Ultra MoonIt was restored from an ancient fossil. Those Helix Fossils are excavated from areas that were once oceans long, long ago.

Names in other languages

Japaneseオムナイト
Japanese (Rōmaji)Omnite
GermanAmonitas
FrenchAmonita
SpanishOmanyte
ItalianOmanyte
Korean암나이트
Chinese (Simplified)菊石兽
Chinese (Traditional)菊石獸

Official data here is present-day reference data from PokéAPI, not a snapshot of any one game's era — the Fairy type and hidden abilities arrived partway through the series, so a difference against an older game can belong to the series rather than to that ROM hack.