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.

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Mareep

#179 in the National Pokédex • Wool Pokémon

Normal

Shiny

Xatu Flaaffy

Pokédex entries

FireRed

Its fleece grows continually. In the summer, the fleece is fully shed, but it grows back in a week.

LeafGreen

If static electricity builds in its body, its fleece doubles in volume. Touching it will shock you.

Details

Type

Weak to

2×

Resists

0.5×

0.5×

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.

EV yield	1 SpA
Catch rate	235
Base Exp.	59

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg groups	Monster Field
Gender	50% male 50% female
Egg cycles	20 (5,375 steps)

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Mareep #179	Level 15 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex.	Flaaffy #180
Flaaffy #180	Level 30 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex.	Ampharos #181

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Tackle	Physical	35	95	35	A physical attack in which the user charges, full body, into the foe.
Start	Growl	Status	-	100	40	The user growls in a cute way, making the foe lower its ATTACK stat.
9	Thunder Shock	Special	40	100	30	An electric shock attack that may also leave the foe paralyzed.
16	Thunder Wave	Status	-	100	20	A weak electric shock that is sure to cause paralysis if it hits.
23	Cotton Spore	Status	-	85	40	Cotton-like spores cling to the foe, sharply reducing its SPEED stat.
30	Light Screen	Status	-	-	30	A wall of light cuts damage from SP. ATK attacks for five turns.
37	Thunder	Special	120	70	10	A brutal lightning attack that may also leave the foe paralyzed.

Machine compatibility for Generation III. HM08 Dive cannot be obtained in FireRed or LeafGreen; a Pokémon must learn it in another Generation III game and be traded in on GBA. Switch has no incoming transfers from those games.

		Class				Description
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.
TM16	Light Screen	Status	-	-	30	A wall of light cuts damage from SP. ATK attacks for five turns.
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.
TM24	Thunderbolt	Special	95	100	15	A strong electrical attack that may also leave the foe paralyzed.
TM25	Thunder	Special	120	70	10	A brutal lightning attack that may also leave the foe paralyzed.
TM27	Return	Physical	-	100	20	This attack move grows more powerful the more the user likes its TRAINER.
TM32	Double Team	Status	-	-	15	The user creates illusory copies of itself to raise its evasiveness.
TM34	Shock Wave	Special	60	-	20	A rapid jolt of electricity strikes the foe. It can’t be evaded.
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.
HM05	Flash	Status	-	70	20	A blast of light that cuts the foe’s accuracy. It also illuminates caves.

Tutors

Moves this Pokémon can learn from move tutors in this game.

	Class				Description
Body Slam	Physical	85	100	15	The user drops its full body on the foe. It may leave the foe paralyzed.
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.
Thunder Wave	Status	-	100	20	A weak electric shock that is sure to cause paralysis if it hits.

Breeding

Moves this Pokémon can inherit through breeding or similar methods.

	Class				Description
Body Slam	Physical	85	100	15	The user drops its full body on the foe. It may leave the foe paralyzed.
Charge	Status	-	-	20	The user charges power to boost the ELECTRIC move it uses next.
Odor Sleuth	Status	-	-	40	Completely negates the foe’s efforts to heighten its ability to evade.
Reflect	Status	-	-	20	A wall of light cuts damage from physical attacks for five turns.
Safeguard	Status	-	-	25	It protects the user’s party from all status problems for five turns.
Screech	Status	-	85	40	An ear-splitting screech is emitted to sharply reduce the foe’s DEFENSE.
Take Down	Physical	90	85	20	A reckless, full-body charge attack that also hurts the user a little.

Traits

Ability options available to this Pokémon in this game.

Static

Paralyzes on contact.

Has a 33.3% (one-third) chance of paralyzing attacking Pokémon on contact.

#178

Xatu

#180

Flaaffy

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