Gastrodon East Sea

#83 in the Hisui Pokédex • Sea Slug Pokémon

Normal

Shiny

Pokémon HOME reference artwork

Gastrodon Ambipom

Pokédex entries

Legends: Arceus

Eats beach sand for nourishment. Should one Gastrodon encounter another of a different color, a fierce battle will inevitably ensue.

Details

Types

Weak to

2.5×

Resists

0×

0.5×

0.5×

0.5×

0.5×

Growth

Stats use Effort Levels raised with Grit items. Legends: Arceus has no breeding.

Pokédexes	Hisui #83
Effort Levels	0–10 in each stat
Catch rate	135
Base Exp.	166
Gender	50% male 50% female

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Shellos East Sea #82	Reach level 30 or higher. Choose Evolve from the party menu when eligible.	Gastrodon East Sea #83

Levels and prerequisites depend on the listed spawn or gift context. Spawn probabilities are unknown unless specified.

Location	Method	Level	Conditions
Cobalt Coastlands Cobalt Coastlands (regional catalog)	Massive mass outbreak	62–64	Daybreak update (version 1.1.0 or later); massive mass outbreaks require the postgame investigation. · Ordinary-size reference entry; a separate Alpha row may also exist. · Conditional outbreak candidate; outbreak generation/selection chance is not the wild capture chance. · Regional species/level reference. Exact spawn point, time, weather and pool selection are not certified; encounter rate unknown.
Cobalt Coastlands Cobalt Coastlands (regional catalog)	Massive mass outbreak	77–79	Daybreak update (version 1.1.0 or later); massive mass outbreaks require the postgame investigation. · Conditional outbreak candidate; outbreak generation/selection chance is not the wild capture chance. · Random Alpha reference entry; the chance of selecting this Alpha is unknown here. · Regional species/level reference. Exact spawn point, time, weather and pool selection are not certified; encounter rate unknown.
Seagrass Haven	Wild Pokémon	30–33	All Day - All Weather; Ordinary size. Selection/capture percentage unknown; exact per-row independent corroboration incomplete.
Seagrass Haven	Wild Pokémon	45–48	All Day - All Weather; Random Alpha. Selection/capture percentage unknown; exact per-row independent corroboration incomplete.
Seagrass Haven	Wild Pokémon	61	All Day - All Weather; Fixed Alpha. Selection/capture percentage unknown; exact per-row independent corroboration incomplete.
Seagrass Haven	Mass outbreak	42–44	All Day - All Weather; Ordinary size. Selection/capture percentage unknown; exact per-row independent corroboration incomplete.
Seagrass Haven	Mass outbreak	57–59	All Day - All Weather; Random Alpha. Selection/capture percentage unknown; exact per-row independent corroboration incomplete.

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Mastery	Description
Start	Mud-Slap	Special	30	100	20	Level 9 or Seed of Mastery	The user hurls mud in the target's face to inflict damage. Incoming moves also become more likely to miss.
5	Tackle	Physical	40	100	30	Level 14 or Seed of Mastery	A physical attack in which the user charges and slams into the target with its whole body.
9	Water Pulse	Special	60	-	20	Level 18 or Seed of Mastery	The user attacks the target with a pulsing blast of water. This attack never misses.
15	Ancient Power	Special	60	100	15	Level 25 or Seed of Mastery	The user attacks with a primeval power. This may also raise the user's offensive and defensive stats.
21	Mud Bomb	Special	65	85	15	Level 31 or Seed of Mastery	The user launches a hard-packed mud ball to inflict damage. Incoming moves also become more likely to miss.
29	Earth Power	Special	80	100	10	Level 40 or Seed of Mastery	The user makes the ground under the target erupt with power. This may also lower the target's defensive stats.
37	Recover	Status	-	-	10	Level 48 or Seed of Mastery	The user regenerates its cells to restore its own HP.
47	Hydro Pump	Special	100	85	5	Level 59 or Seed of Mastery	The target is blasted by a huge volume of water launched under great pressure.

Tutors

Taught by Zisu at the Training Grounds in Jubilife Village.

	Class				Mastery	Description
Bulldoze	Physical	60	100	20	Seed of Mastery	The user tramples its target into the ground, dealing damage. This also lowers the target’s action speed.
Earth Power	Special	80	100	10	Level 40 or Seed of Mastery	The user makes the ground under the target erupt with power. This may also lower the target's defensive stats.
Giga Impact	Physical	120	90	5	Seed of Mastery	The user charges at the target using every bit of its power.
Hyper Beam	Special	120	90	5	Seed of Mastery	The target is attacked with a powerful beam.
Ice Beam	Special	80	100	10	Seed of Mastery	The target is struck with an icy-cold beam of energy. This may also leave the target with frostbite.
Icy Wind	Special	60	95	20	Seed of Mastery	The user attacks with a gust of freezing air.
Rest	Status	-	-	10	Seed of Mastery	The user restores its own HP but also becomes drowsy.
Rock Slide	Physical	75	90	10	Seed of Mastery	Large boulders are hurled at the target to inflict damage.
Rock Smash	Physical	40	100	20	Seed of Mastery	The user attacks with a punch. This may also lower the target’s defensive stats.
Sludge Bomb	Special	80	100	10	Seed of Mastery	Unsanitary sludge is hurled at the target to deal damage. This may also poison the target.
Stone Edge	Physical	100	80	5	Seed of Mastery	The user stabs the target with sharpened stones. This move has a heightened chance of landing a critical hit.
Water Pulse	Special	60	-	20	Level 18 or Seed of Mastery	The user attacks the target with a pulsing blast of water. This attack never misses.

#83

Gastrodon

#79

Ambipom

Join Discord

Join a community of 5,000+ Trainers.

discord.gg/dittobase