- Attack
- 292
- Defense
- 247
- HP
- 216
100% CP
- RaidsLv20
- 2,695
- min 2,597
- Weather boostLv25
- 3,369
- min 3,247
- MaxLv50
- 5,332
- Lv40 4,717
At a glance
Basics
Mega Gyarados is a Water/Dark-type Pokémon. In its Mega Evolved form, its 100% IV CP is 2,695 at level 20, 3,369 at level 25 and up to 5,332 at level 50. It is weak to Electric/Grass/Fighting/Bug/Fairy attacks (1.6×). It resists Fire/Water/Ice/Ghost/Dark/Steel/Psychic attacks. In raids, Bite + Hydro Pump is its strongest moveset (level 40, 100% IVs).
- Category
- Atrocious Pokémon
- Buddy distance
- 1 km
- Second Charged Attack
- 10,000 Stardust · 25 Candy
- Max CP · Lv50 / Lv51 (Best Buddy)
- 5,332 / 5,396
When Magikarp evolves into Gyarados, its brain cells undergo a structural transformation. It is said that this transformation is to blame for this Pokémon's wildly violent nature.
All values are for Pokémon GO; main-series values are not listed. The Pokédex entry is the game's own English text.
Related tips
- Mega Evolution guide (Mega Energy and Mega Level)Mega Evolution spends Mega Energy to make a Pokémon stronger for a set time, and in raids it also powers up everyone attacking with the same type.
- How to read IVs and appraisalsIVs run from 0 to 15 for each of Attack, Defense and HP, and appraisal stars are set by the sum of the three (0–45).
- What to power up first (power-up priorities for beginners)Stardust is limited, so first power up strong counters you'll use for a long time across many raids.
Best movesetsLv40 · 15/15/15 IVs
- 1
Bite
Hydro PumpBest100% efficiency17.2TDO 719 - 2WaterfallHydro Pump97% efficiency16.7TDO 699
- 3BiteAqua Tail*92% efficiency15.8TDO 660
- 4
Dragon BreathHydro Pump91% efficiency15.7TDO 655 - 5Dragon Tail*Hydro Pump91% efficiency15.6TDO 654
Top 5 of 24 movesets.
Raid and Gym efficiency against an ordinary neutral 5-star boss. DPS is damage per second, TDO is total damage dealt before fainting, and efficiency compares (DPS³ × TDO)^¼ with the top moveset. Against a specific boss, moves of the types it's weak to do more. * Exclusive moves require an Elite TM.
Learnable moves
Fast Attack4
| Moves | Power | Energy | DPS | EPS |
|---|---|---|---|---|
| BiteBestDark · 0.5s · STAB | 6 | +4 | 14.4 | 8 |
| WaterfallWater · 1s · STAB | 13 | +7 | 15.6 | 7 |
| Dragon Tail*Dragon · 1s | 14 | +8 | 14 | 8 |
| Dragon BreathDragon · 0.5s | 6 | +4 | 12 | 8 |
Charged Attack6
| Moves | Power | Energy | DPS | DPE |
|---|---|---|---|---|
| Hydro PumpBestWater · 3.5s · STAB | 135 | 100 | 46.3 | 1.62 |
| Aqua Tail*Water · 2s · STAB | 50 | 33 | 30 | 1.82 |
| OutrageDragon · 4s | 110 | 50 | 27.5 | 2.2 |
| CrunchDark · 3s · STAB | 65 | 33 | 26 | 2.36 |
| Dragon Pulse*Dragon · 3.5s | 90 | 50 | 25.7 | 1.8 |
| TwisterDragon · 3s | 50 | 33 | 16.7 | 1.52 |
- DPS is damage per second, EPS energy per second and DPE damage per energy. A Charged Attack costing 100 energy uses 1 bar, 50 uses 2 bars and 33 uses 3 bars.
- STAB (same-type attack bonus) applies to moves of the Pokémon's own type, which deal 1.2× damage (included in DPS, DPT and DPE).
- * Exclusive move: a move that was only available during events such as Community Day. It now requires an Elite TM.
Calculate with your Pokémon
Move the sliders or enter a CP and Mega Gyarados's stats, move performance and power-up cost update instantly.
Enter the CP shown in the game to find the closest level for these IVs.
- Actual Attack
- 183.4
- Actual Defense
- 156.5
- Actual HP
- 137
Actual stat = (base stat + IV) × level multiplier. Level 51 is the Best Buddy boost.
Move performance at these stats
WaterfallHydro PumpBest100% efficiencyThis is the best moveset at these stats. That's 75% of the same moveset's DPS at Lv40 with 15/15/15.
Raid calculation against a neutral 5-star boss. * Exclusive moves need an Elite TM.
Power-up cost
- Stardust
- 225,000
- Candy
- 248
- Candy XL
- 0
Lv 20 → 40: 40 power-ups, CP 4,717 after
Based on the game's power-up cost table. Shadow costs 1.2× and purified 0.9× (rounded up per power-up); Lucky Pokémon pay half the Stardust. Event bonuses are not included.
IV rankings by leagueBy stat product
| Rank | Attack | Defense | HP | Level | CP | vs. #1 |
|---|---|---|---|---|---|---|
| 1 | 0 | 9 | 9 | 12 | 1,500 | 100.0% |
| 2 | 0 | 11 | 7 | 12 | 1,500 | 99.8% |
| 3 | 0 | 6 | 11 | 12 | 1,498 | 99.8% |
| 4 | 5 | 15 | 15 | 11.5 | 1,499 | 99.8% |
| 5 | 5 | 15 | 14 | 11.5 | 1,496 | 99.8% |
| 6 | 1 | 5 | 11 | 12 | 1,500 | 99.7% |
| 7 | 6 | 14 | 14 | 11.5 | 1,498 | 99.7% |
| 8 | 7 | 13 | 14 | 11.5 | 1,500 | 99.7% |
| 9 | 0 | 13 | 5 | 12 | 1,499 | 99.6% |
| 10 | 0 | 8 | 9 | 12 | 1,498 | 99.6% |
Stat product = Attack × Defense × HP (up to level 50, excluding Best Buddy). It shows how long a Pokémon lasts under the same CP cap and doesn't include move matchups.
EvolutionFrom game data
- Base
- Mega GyaradosViewing300 Mega Energy60 after the firstBest movesBiteHydro Pump
- Purified Pokémon need about 10% less Candy to evolve (e.g. 400 → 360 Candy).
- Mega Energy comes from Mega Raids and walking with your buddy. After the first Mega Evolution, it takes less energy next time.
- Best moves are the top raid moveset at level 40 with 15/15/15 IVs.
Damage takenGO multipliers
- ×1.6
Electric
Grass
Fighting
Bug
Fairy - ×0.625
FireWater
Ice
GhostDark
Steel - ×0.39
Psychic
Show all 18 types
Normal×1- Fire×0.625
- Water×0.625
- Electric×1.6
- Grass×1.6
- Ice×0.625
- Fighting×1.6
Poison×1
Ground×1
Flying×1- Psychic×0.39
- Bug×1.6
Rock×1- Ghost×0.625
- Dragon×1
- Dark×0.625
- Steel×0.625
- Fairy×1.6
Offensive matchupsBased on learnable moves
Events1 past
No upcoming events are known yet.
- 2020.08.08Community Day: Magikarp · Exclusive move: Aqua Tail