Shellder

#90 in the National Pokédex • Bivalve Pokémon

Normal

Shiny

Pokédex entries

Pokémon Emerald

At night, it burrows a hole in the seafloor with its broad tongue to make a place to sleep. While asleep, it closes its shell, but leaves its tongue hanging out.

Details

Type

Weak to

2×

2×

Resists

0.5×

0.5×

0.5×

Growth

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

EV yield	1 Def
Catch rate	190
Base Exp.	97

Eggs

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

Egg groups	Water 3
Gender	50% male 50% female
Egg cycles	20 (elapsed hatch time varies; Flame Body or Magma Armor speeds hatching in Emerald)

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Shellder #90	Use Water Stone	Cloyster #91

Held Items

Programmed base rates, before Compound Eyes. A held-item table does not establish a native wild encounter for this species.

Big Pearl

5% chance

Pearl

50% chance

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Tackle	Physical	35	95	35	Charges the foe with a full-body tackle.
Start	Withdraw	Status	-	-	40	Withdraws the body into its hard shell to raise DEFENSE.
9	Supersonic	Status	-	55	20	Emits bizarre sound waves that may confuse the foe.
17	Aurora Beam	Special	65	100	20	Fires a rainbow-colored beam that may lower ATTACK.
25	Protect	Status	-	-	10	Evades attack, but may fail if used in succession.
33	Leer	Status	-	100	30	Frightens the foe with a leer to lower DEFENSE.
41	Clamp	Special	35	75	10	Traps and squeezes the foe for 2 to 5 turns.
49	Ice Beam	Special	95	100	10	Blasts the foe with an icy beam that may freeze it.

Machines

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Emerald.

			Class				Description
TM03	Water Pulse		Special	60	100	20	Attacks with ultrasonic waves. May confuse the foe.
TM06	Toxic		Status	-	85	10	Poisons the foe with an intensifying toxin.
TM07	Hail		Status	-	-	10	Summons a hailstorm that strikes every turn.
TM10	Hidden Power	Type varies	Varies By Type	30–70	100	15	The effectiveness varies with the user.
TM13	Ice Beam		Special	95	100	10	Blasts the foe with an icy beam that may freeze it.
TM14	Blizzard		Special	120	70	5	Hits the foe with an icy storm that may freeze it.
TM17	Protect		Status	-	-	10	Evades attack, but may fail if used in succession.
TM18	Rain Dance		Status	-	-	5	Boosts the power of WATER-type moves for 5 turns.
TM21	Frustration		Physical	-	100	20	An attack that is stronger if the TRAINER is disliked.
TM27	Return		Physical	-	100	20	An attack that increases in power with friendship.
TM32	Double Team		Status	-	-	15	Creates illusory copies to raise evasiveness.
TM42	Facade		Physical	70	100	20	Boosts ATTACK when burned, paralyzed, or poisoned.
TM43	Secret Power		Physical	70	100	20	An attack with effects that vary by location.
TM44	Rest		Status	-	-	10	The user sleeps for 2 turns, restoring HP and status.
TM45	Attract		Status	-	100	15	Makes the opposite gender less likely to attack.
HM03	Surf		Special	95	100	15	Creates a huge wave, then crashes it down on the foe.
HM08	Dive		Special	60	100	10	Dives underwater the first turn and strikes next turn.

Tutors

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

	Class				Description
Double-Edge	Physical	120	100	15	A life-risking tackle that also hurts the user.
Endure	Status	-	-	10	Endures any attack for 1 turn, leaving at least 1HP.
Explosion	Physical	250	100	5	Inflicts severe damage but makes the user faint.
Icy Wind	Special	55	95	15	A chilling attack that lowers the foe’s SPEED.
Mimic	Status	-	-	10	Copies a move used by the foe during one battle.
Sleep Talk	Status	-	-	10	Uses an available move randomly while asleep.
Snore	Physical	40	100	15	A loud attack that can be used only while asleep.
Substitute	Status	-	-	10	Creates a decoy using 1/4 of the user’s maximum HP.
Swagger	Status	-	90	15	Confuses the foe, but also sharply raises ATTACK.
Swift	Physical	60	-	20	Sprays star-shaped rays that never miss.

Breeding

Moves this Pokémon can inherit through breeding or similar methods.

	Class				Description
Barrier	Status	-	-	30	Creates a barrier that sharply raises DEFENSE.
Bubble Beam	Special	65	100	20	Forcefully sprays bubbles that may lower SPEED.
Icicle Spear	Special	10	100	30	Attacks the foe by firing 2 to 5 icicles in a row.
Rapid Spin	Physical	20	100	40	Spins the body at high speed to strike the foe.
Screech	Status	-	85	40	Emits a screech to sharply reduce the foe’s DEFENSE.
Take Down	Physical	90	85	20	A reckless charge attack that also hurts the user.

Traits

Ability options available to this Pokémon in this game.

Shell Armor

Blocks critical hits.

Protects against critical hits.

#107

Muk

#91

Cloyster

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