Essentials

Evolution

• Compare these Pokémon

Baby	Basic	Stage 1	Stage 2
	Shellos	Gastrodon Level up, starting at level 30

Gastrodon Forms

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Forms only affect appearance. A form is determined before a wild encounter based on whether the battle is in western or eastern Sinnoh and cannot be changed.

Stats

			Level
			Effort
		Pctile	Min IVs	Max IVs
HP	111	95.7	395	426
Attack	83	64.3	234	265
Defense	68	52.1	204	235
Special Attack	92	78.0	252	283
Special Defense	82	70.9	232	263
Speed	39	16.7	146	177
Total	475	65.0

Flavor

• All versions' flavor text and sprites

Locations

• Ridiculously detailed breakdown

Diamond

• Fuego Ironworks
• Route 218
• Route 221
• Route 222
• Route 224
• Sea Route 230

Pearl

• Fuego Ironworks
• Route 218
• Route 221
• Route 222
• Route 224
• Sea Route 230

Platinum

• Fuego Ironworks
• Route 218
• Route 224

• Canalave City
• Fuego Ironworks
• Pastoria City
• Route 205, south, towards Floaroma Town
• Route 212, east, towards Pastoria City
• Route 213
• Route 218
• Route 224
• Valley Windworks

Moves

Water and ground moves get STAB, and have their type highlighted in green.

Special moves better suit Gastrodon's higher Special Attack, and have their class highlighted in green.

		Move	Type	Class	PP	Power	Acc	Pri	Effect
Level up: Learned when a Pokémon reaches a certain level.
—	—	Mud-Slap			10	20	100%		Has a 100% chance to lower the target's Accuracy by one level.
—	—	Mud Sport			15	0	100%		All damage from Electric moves is halved until the end of the battle.
—	—	Harden			30	0	100%		Raises the user's Defense by one level.
—	—	Water Pulse			20	60	100%		Has a 20% chance to confuse the target.
2	2	Mud Sport			15	0	100%		All damage from Electric moves is halved until the end of the battle.
4	4	Harden			30	0	100%		Raises the user's Defense by one level.
7	7	Water Pulse			20	60	100%		Has a 20% chance to confuse the target.
11	11	Mud Bomb			10	65	85%		Has a 30% chance to lower the target's Accuracy by one level.
16	16	Hidden Power			15	1	100%		Power and type depend upon user's IVs. Power can range from 30 to 70.
22	22	Rain Dance			5	0	0%		Changes the weather to rain for five turns.
29	29	Body Slam			15	85	100%		Has a 30% chance to paralyze the target.
41	41	Muddy Water			10	95	85%		Has a 30% chance to lower the target's Accuracy by one level.
54	54	Recover			10	0	100%		Heals the user by half its max HP.
		Move	Type	Class	PP	Power	Acc	Pri	Effect
Tutor: Can be taught at any time by an NPC.
		AncientPower			5	60	100%		Has a 10% chance to raise all of the user's stats by one level.
		Block			5	0	100%		Prevents the target from leaving battle.
		Dive			10	80	100%		User dives underwater, dodging all attacks, and hits next turn.
		Earth Power			10	90	100%		Has a 10% chance to lower the target's Special Defense by one level.
		Headbutt			15	70	100%		Has a 30% chance to make the target flinch.
		Icy Wind			15	55	95%		Has a 100% chance to lower the target's Speed by one level.
		Mud-Slap			10	20	100%		Has a 100% chance to lower the target's Accuracy by one level.
		Pain Split			20	0	0%		Sets the user's and targets's HP to the average of their current HP.
		Snore			15	40	100%		Has a 30% chance to make the target flinch. Only works if the user is sleeping.
		String Shot			40	0	95%		Lowers the target's Speed by one level.
		Move	Type	Class	PP	Power	Acc	Pri	Effect
Machine: Can be taught at any time by using a TM or HM.
03	03	Water Pulse			20	60	100%		Has a 20% chance to confuse the target.
06	06	Toxic			10	0	85%		Badly poisons the target, inflicting more damage every turn.
07	07	Hail			10	0	100%		Changes the weather to a hailstorm for five turns.
10	10	Hidden Power			15	1	100%		Power and type depend upon user's IVs. Power can range from 30 to 70.
13	13	Ice Beam			10	95	100%		Has a 10% chance to freeze the target.
14	14	Blizzard			5	120	70%		Has a 10% chance to freeze the target.
15	15	Hyper Beam			5	150	90%		User foregoes its next turn to recharge.
17	17	Protect			10	0	0%	3	Prevents any moves from hitting the user this turn.
18	18	Rain Dance			5	0	0%		Changes the weather to rain for five turns.
21	21	Frustration			20	1	100%		Power increases as happiness decreases, up to a maximum of 102.
26	26	Earthquake			10	100	100%		Inflicts regular damage and can hit Dig users.
27	27	Return			20	1	100%		Power increases with happiness, up to a maximum of 102.
28	28	Dig			10	80	100%		User digs underground, dodging all attacks, and hits next turn.
32	32	Double Team			15	0	100%		Raises the user's Evasion by one level.
36	36	Sludge Bomb			10	90	100%		Has a 30% chance to poison the target.
37	37	Sandstorm			10	0	100%		Changes the weather to a sandstorm for five turns.
39	39	Rock Tomb			10	50	80%		Has a 100% chance to lower the target's Speed by one level.
42	42	Facade			20	70	100%		Power doubles if user is burned, paralyzed, or poisoned.
43	43	Secret Power			20	70	100%		Has a 30% chance to inflict a status effect which depends upon the terrain.
44	44	Rest			10	0	100%		User sleeps for two turns, completely healing itself.
45	45	Attract			15	0	100%		Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.
55	55	Brine			10	65	100%		Has double power against Pokémon that have less than half their max HP remaining.
58	58	Endure			10	0	100%	3	Prevents the user's HP from lowering below 1 this turn.
68	68	Giga Impact			5	150	90%		User foregoes its next turn to recharge.
70	70	Flash			20	0	100%		Lowers the target's Accuracy by one level.
71	71	Stone Edge			5	100	80%		Has an increased chance for a critical hit.
78	78	Captivate			20	0	100%		Lowers the target's Special Attack by two levels if it's the opposite gender.
80	80	Rock Slide			10	75	90%		Has a 30% chance to make the target flinch.
82	82	Sleep Talk			10	0	100%		Randomly uses one of the user's other three moves. Only works if the user is sleeping.
83	83	Natural Gift			15	1	100%		Power and type depend on the held berry.
87	87	Swagger			15	0	90%		Raises the target's Attack by two levels and confuses the target.
90	90	Substitute			10	0	100%		Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.
H3	H3	Surf			15	95	100%		Inflicts regular damage and can hit Dive users.
H4	H4	Strength			15	80	100%		Inflicts regular damage with no additional effect.
	H5	Whirlpool			15	15	70%		Prevents the target from leaving battle and inflicts 1/16 its max HP in damage for 2-5 turns.
H6	H6	Rock Smash			15	40	100%		Has a 50% chance to lower the target's Defense by one level.
H7	H7	Waterfall			15	80	100%		Has a 20% chance to make the target flinch.

External Links

• Bulbapedia
• Legendary Pokémon
• PsyPoke
• Serebii.net
• Smogon