
| Id | 139 |
| Type | rockwater |
| Species | Spiral Pokémon |
| Height | 1 m |
| Weight | 35 kg |
| Abilities | Swift Swim, Shell Armor Hidden Ability: Weak Armor |
| Local Ids | 139 (Red/Blue/Yellow) 221 (Gold/Silver/Crystal) 139 (FireRed/LeafGreen) 226 (HeartGold/SoulSilver) 228 (U.Sun/U.Moon — Alola dex) 139 (Let's Go Pikachu/Let's Go Eevee) 124 (The Crown Tundra) |
| Catch rate | 45 |
| Base Friendship | 50 (normal) |
| Base Exp | 173 |
| Growth Rate | Medium Fast |
| Egg Groups | Water 1, Water 3 |
| Gender | 87.5% male, 12.5% female |
| Egg cycles | 30 (7,454–7,710 steps) |
| HP | 70 | |
| Attack | 60 | |
| Defense | 125 | |
| Sp. Atk | 115 | |
| Sp. Def | 70 | |
| Speed | 55 | |
| Total | 495 |
| Level | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 1 | Bind | normal | physical | 15 | 85 |
| 1 | Crunch | dark | physical | 80 | 100 |
| 1 | Rollout | rock | physical | 30 | 90 |
| 1 | Sand Attack | ground | status | 0 | 100 |
| 1 | Withdraw | water | status | 0 | — |
| 15 | Water Gun | water | special | 40 | 100 |
| 20 | Leer | normal | status | 0 | 100 |
| 25 | Mud Shot | ground | special | 55 | 95 |
| 30 | Ancient Power | rock | special | 60 | 100 |
| 35 | Brine | water | special | 65 | 100 |
| 43 | Protect | normal | status | 0 | — |
| 49 | Rock Blast | rock | physical | 25 | 90 |
| 56 | Surf | water | special | 90 | 100 |
| 63 | Shell Smash | normal | status | 0 | — |
| 70 | Hydro Pump | water | special | 110 | 80 |
| Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|
| Aurora Beam | ice | special | 65 | 100 |
| Bite | dark | physical | 60 | 100 |
| Bubble Beam | water | special | 65 | 100 |
| Haze | ice | status | 0 | — |
| Knock Off | dark | physical | 65 | 100 |
| Muddy Water | water | special | 90 | 85 |
| Reflect Type | normal | status | 0 | — |
| Slam | normal | physical | 80 | 75 |
| Spikes | ground | status | 0 | — |
| Supersonic | normal | status | 0 | 55 |
| Tickle | normal | status | 0 | 100 |
| Toxic Spikes | poison | status | 0 | — |
| Whirlpool | water | special | 35 | 85 |
Omastar can not have any move tutor moves.
| TM | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 3 | Water Pulse | water | special | 60 | 100 |
| 7 | Hail | ice | status | 0 | — |
| 13 | Ice Beam | ice | special | 90 | 100 |
| 14 | Blizzard | ice | special | 110 | 70 |
| 15 | Hyper Beam | normal | special | 150 | 90 |
| 17 | Protect | normal | status | 0 | — |
| 18 | Rain Dance | water | status | 0 | — |
| 32 | Double Team | normal | status | 0 | — |
| 37 | Sandstorm | rock | status | 0 | — |
| 39 | Rock Tomb | rock | physical | 60 | 95 |
| 42 | Facade | normal | physical | 70 | 100 |
| 44 | Rest | psychic | status | 0 | — |
| 45 | Attract | normal | status | 0 | 100 |
| 46 | Thief | dark | physical | 60 | 100 |
| 49 | Scald | water | special | 80 | 100 |
| 55 | Brine | water | special | 65 | 100 |
| 58 | Endure | normal | status | 0 | — |
| 68 | Giga Impact | normal | physical | 150 | 90 |
| 69 | Rock Polish | rock | status | 0 | — |
| 71 | Stone Edge | rock | physical | 100 | 80 |
| 74 | Gyro Ball | steel | physical | 0 | 100 |
| 76 | Stealth Rock | rock | status | 0 | — |
| 80 | Rock Slide | rock | physical | 75 | 90 |
| 82 | Sleep Talk | normal | status | 0 | — |
| 87 | Swagger | normal | status | 0 | 85 |
| 90 | Substitute | normal | status | 0 | — |
| 95 | Surf | water | special | 90 | 100 |
| 98 | Rock Smash | fighting | physical | 40 | 100 |
| 99 | Waterfall | water | physical | 80 | 100 |
| 100 | Rock Climb | normal | physical | 90 | 85 |
Omastar can not get any moves from trs.
| English | Omastar |
|---|---|
| Spanish | Omastar |
| Italian | Omastar |
| Japanese | オムスター (Omstar) |
| German | Amoroso |
| French | Amonistar |
| Red Blue Yellow | Omanyte |
|---|---|
| Gold Silver Crystal | Trade/migrate from another game |
| Ruby Sapphire | Trade/migrate from another game |
| FireRed LeafGreen | Omanyte |
| Emerald | Trade/migrate from another game |
| Diamond Pearl Platinum HeartGold SoulSilver | Omanyte |
| Black White Black 2 White 2 | Omanyte |
| X Y Omega Ruby Alpha Sapphire | Omanyte |
| Sun Moon | Trade/migrate from another game |
| Ultra Sun Ultra Moon Let's Go Pikachu Let's Go Eevee | Omanyte |
| Sword | Omanyte |
| Shield Brilliant Diamond Shining Pearl | Location data not yet available |