Edition differences: original GBA and Nintendo Switch (2026)
Battle data describes Generation III rules. Availability notes distinguish native catches, evolution and breeding from original GBA imports. GBA games can trade with compatible Generation III games after the network quest; Switch supports local FireRed/LeafGreen trading and cannot import Pokémon from other games. Transfers to Pokémon HOME are one way.
GBA: AuroraTicket and MysticTicket required historical event distributions. Switch: both tickets are added after entering the Hall of Fame, providing access to Deoxys on Birth Island and Lugia/Ho-Oh on Navel Rock. Other event Pokémon and GBA imports are not made available by these tickets.
Original GBA: a roaming Entei or Raikou that successfully ends an encounter with Roar disappears permanently because of a game bug. The Switch editions fix this Roar disappearance bug.
Mightyena
#262 in the National Pokédex • Bite Pokémon
Pokédex entries
FireRed
It will always obey the commands of a skilled TRAINER. Its behavior arises from its living in packs in ancient times.
LeafGreen
It will always obey the commands of a skilled TRAINER. Its behavior arises from its living in packs in ancient times.
Details
Type
Category
Ability
Height
Weight
National Pokédex
Stats
Min
Max
HP
70
250
344
Attack
90
166
306
Defense
70
130
262
Sp. Atk
60
112
240
Sp. Def
60
112
240
Speed
70
130
262
Total
420
Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.
Game availability
GBA: requires importing from another Generation III game.Switch: unavailable. This page documents the supported Generation III Pokémon.
Growth
| EV yield | 2 Atk |
|---|---|
| Catch rate | 127 |
| Base Exp. | 128 |
Eggs
| Egg groups | |
|---|---|
| Gender | 50% male 50% female |
| Egg cycles | 15 (4,095 steps) |
Evolution
| Pokémon | Requires | Evolution |
|---|---|---|
 Poochyena #261 | Level 18 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex. |  Mightyena #262 |
Moves
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Sand Attack |  |  Status | - | 100 | 15 | A lot of sand is hurled in the foe’s face, reducing its accuracy. |
| Start | Tackle |  |  Physical | 35 | 95 | 35 | A physical attack in which the user charges, full body, into the foe. |
| Start | Bite | |  Special | 60 | 100 | 25 | The user bites with vicious fangs. It may make the foe flinch. |
| Start | Howl | | Status | - | - | 40 | The user howls to raise its spirit and boost its ATTACK stat. |
| 5 | Howl | | Status | - | - | 40 | The user howls to raise its spirit and boost its ATTACK stat. |
| 9 | Sand Attack | | Status | - | 100 | 15 | A lot of sand is hurled in the foe’s face, reducing its accuracy. |
| 13 | Bite | | Special | 60 | 100 | 25 | The user bites with vicious fangs. It may make the foe flinch. |
| 17 | Odor Sleuth | | Status | - | - | 40 | Completely negates the foe’s efforts to heighten its ability to evade. |
| 22 | Roar | | Status | - | 100 | 20 | The foe is made to switch out with an ally. In the wild, the battle ends. |
| 27 | Swagger | | Status | - | 90 | 15 | A move that makes the foe confused, but also sharply raises its ATTACK. |
| 32 | Scary Face | | Status | - | 90 | 10 | Frightens the foe with a scary face to sharply reduce its SPEED. |
| 37 | Take Down | | Physical | 90 | 85 | 20 | A reckless, full-body charge attack that also hurts the user a little. |
| 42 | Taunt | | Status | - | 100 | 20 | The foe is taunted into a rage that allows it to use only attack moves. |
| 47 | Crunch | | Special | 80 | 100 | 15 | The foe is crunched with sharp fangs. It may lower the foe’s SP. DEF. |
| 52 | Thief | | Special | 40 | 100 | 10 | An attack that may take the foe’s held item if the user isn’t holding one. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM05 | Roar | | Status | - | 100 | 20 | The foe is made to switch out with an ally. In the wild, the battle ends. |
| TM06 | Toxic |  | Status | - | 85 | 10 | A move that badly poisons the foe. Its poison damage worsens every turn. |
| TM10 | Hidden Power | | Physical | - | 100 | 15 | An attack that varies in type and intensity depending on the user. |
| TM11 | Sunny Day |  | Status | - | - | 5 | The sun blazes for five turns, powering up FIRE-type moves. |
| TM12 | Taunt | | Status | - | 100 | 20 | The foe is taunted into a rage that allows it to use only attack moves. |
| TM15 | Hyper Beam | | Physical | 150 | 90 | 5 | A severely damaging attack that makes the user rest on the next turn. |
| TM17 | Protect | | Status | - | - | 10 | Enables the user to evade all attacks. It may fail if used in succession. |
| TM18 | Rain Dance |  | Status | - | - | 5 | A heavy rain falls for five turns, powering up WATER-type moves. |
| TM21 | Frustration | | Physical | - | 100 | 20 | This attack move grows more powerful the less the user likes its TRAINER. |
| TM23 | Iron Tail |  | Physical | 100 | 75 | 15 | An attack with a steel-hard tail. It may lower the foe’s DEFENSE stat. |
| TM27 | Return | | Physical | - | 100 | 20 | This attack move grows more powerful the more the user likes its TRAINER. |
| TM28 | Dig | | Physical | 60 | 100 | 10 | An attack that hits on the 2nd turn. Can also be used to exit dungeons. |
| TM30 | Shadow Ball |  | Physical | 80 | 100 | 15 | A shadowy blob is hurled at the foe. May also lower the foe’s SP. DEF. |
| TM32 | Double Team | | Status | - | - | 15 | The user creates illusory copies of itself to raise its evasiveness. |
| TM41 | Torment | | Status | - | 100 | 15 | It enrages the foe, making it incapable of using the same move successively. |
| TM42 | Facade | | Physical | 70 | 100 | 20 | An attack that is boosted if user is burned, poisoned, or paralyzed. |
| TM43 | Secret Power | | Physical | 70 | 100 | 20 | An attack that may have an additional effect that varies with the terrain. |
| TM44 | Rest |  | Status | - | - | 10 | The user sleeps for two turns to fully restore HP and heal any status problem. |
| TM45 | Attract | | Status | - | 100 | 15 | If it is the other gender, the foe is made infatuated and unlikely to attack. |
| TM46 | Thief | | Special | 40 | 100 | 10 | An attack that may take the foe’s held item if the user isn’t holding one. |
| TM49 | Snatch | | Status | - | - | 10 | Steals the effects of the foe’s healing or status-changing move. |
| HM04 | Strength | | Physical | 80 | 100 | 15 | The foe is slugged at maximum power. Can also be used to move boulders. |
| HM06 | Rock Smash |  | Physical | 20 | 100 | 15 | An attack that may also cut DEFENSE. It can also smash cracked boulders. |
Tutors
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Body Slam | | Physical | 85 | 100 | 15 | The user drops its full body on the foe. It may leave the foe paralyzed. |
| Counter | | Physical | - | 100 | 20 | A retaliation move that counters any physical hit with double the damage. |
| Double-Edge | | Physical | 120 | 100 | 15 | A reckless, life-risking tackle that also hurts the user a little. |
| Mimic | | Status | - | - | 10 | The user copies the move last used by the foe for the rest of the battle. |
| Substitute | | Status | - | - | 10 | The user creates a decoy using one-quarter of its full HP. |
Traits
Intimidate
Lowers the foe’s ATTACK.
Lowers opponents' Attack one stage upon entering battle.
