
Is Mareanie Good in Ultra Sun & Ultra Moon Playthrough?
Wild Poison/Water via SOS from Corsola. Toxapex at level 38 has some of the best defenses in the game. Worth hunting for.
Mareanie trades roughly evenly with Ilima's team.
Mareanie trades roughly evenly with Hala's team.
Lana's team hits Toxapex's weaknesses hard.
ElectricSteelReceived as a Totem-sized gift Pokemon by collecting enou... (Ultra Moon only)
BugElectricReceived as a Totem-sized gift Pokemon by collecting enou... (Ultra Sun only)
GrassReceived as a Totem-sized gift Pokemon by collecting enou... (Ultra Sun only)
GhostFairyReceived as a Totem-sized gift Pokemon by collecting enou...
Kiawe's typing presses Mareanie's defenses.
Mareanie trades roughly evenly with Mallow's team.
Olivia's typing presses Mareanie's defenses.
Sophocles's Pokemon outpace and outclass Mareanie here.
Acerola's typing presses Mareanie's defenses.
Nanu's team hits Toxapex's weaknesses hard.
Toxapex has the type edge here and should clean up Mina's team.
Hapu's team hits Toxapex's weaknesses hard.
Molayne's Pokemon outpace and outclass Toxapex here.
Olivia's team hits Toxapex's weaknesses hard.
Toxapex trades roughly evenly with Acerola's team.
Toxapex trades roughly evenly with Kahili's team.
Toxapex trades roughly evenly with Kukui's team.
Catch Mareanie on Hau'oli City (Super Rod fishing, Lv 10-17). Alternate S.O.S. encounters; UNCOMMON; Called by Corsola.
Your Mareanie should hit Level 38 before you reach Lana, at typical leveling pace.
How to Get Mareanie in Ultra Sun & Ultra Moon
Mareanie starts showing up in early-game fishing spots at moderate rates across 10 encounter spots. The list below is sorted so you can pick what fits your current progress without scrolling through everything.
Where To Catch Mareanie in USUM
Mareanie is your first catch on the way to Mareanie. You'll find fishing encounters from Lv. 10-23 across 10 total spots in the chain.
Step 1Mareanie ✓Hau'oli City - BeachfrontLv.10-17Super RodSOS from CorsolaHau'oli City - BeachfrontLv.10-22Super RodSOS from CorsolaMelemele SeaLv.10-22Super RodSOS from CorsolaMelemele SeaLv.10-17Super RodSOS from CorsolaRoute 9Lv.10-23Super RodSOS from Corsola
Step 2Evolve into Toxapex
Mareanie Weakness
Mareanie's Poison/Water typing leaves it vulnerable to Electric, Ground, and Psychic. 8 resistances give it solid defensive coverage on top of that.
| Damage | Types |
|---|---|
| 2x (Weak) | Electric, Ground, Psychic |
| 0.5x (Resist) | Fire, Water, Ice, Fighting, Poison, Bug, Steel, Fairy |
What is Mareanie Weak Against
GoodBest Pokemon Against Mareanie
Espeon Psychic | B | |
Vikavolt BugElectric | B | |
Obtain MethodHeahea Beach Gift Available Moves Moves
Damage vs Mareanie View Vikavolt builds →Thunderbolt 2x173-205%KO Mud-Slap 2x28-33% | ||
Slowbro WaterPsychic | B | |
Jynx IcePsychic | C | |
Kadabra Psychic | B | |
Available Moves Moves
Damage vs Mareanie View Kadabra builds →Psyshock 2x135-160%KO Charge Beam 2x57-67% | ||
Espeon Psychic | B | |
Vikavolt BugElectric | B | |
Obtain MethodHeahea Beach Gift Available Moves Moves
Damage vs Mareanie View Vikavolt builds →Thunderbolt 2x182-214%KO Mud-Slap 2x30-36% | ||
Slowbro WaterPsychic | B | |
Jynx IcePsychic | C | |
Kadabra Psychic | B | |
Available Moves Moves
Damage vs Mareanie View Kadabra builds →Psyshock 2x141-166%KO Charge Beam 2x61-71% | ||
Espeon Psychic | B | |
Vikavolt BugElectric | B | |
Obtain MethodHeahea Beach Gift Available Moves Moves
Damage vs Mareanie View Vikavolt builds →Thunderbolt 2x175-208%KO Mud-Slap 2x28-34% | ||
Slowbro WaterPsychic | B | |
Oranguru NormalPsychic | C | |
Available Moves Moves
Damage vs Mareanie View Oranguru builds →Psyshock 2x109-129%KO Thunderbolt 2x80-95% | ||
Jynx IcePsychic | C | |
Espeon Psychic | B | |
Available Move Moves
Damage vs Mareanie View Espeon builds →Future Sight 2x223-264%KO | ||
Vikavolt BugElectric | B | |
Obtain MethodHeahea Beach Gift Available Moves Moves
Damage vs Mareanie View Vikavolt builds →Thunderbolt 2x185-219%KO Mud-Slap 2x30-35% | ||
Slowbro WaterPsychic | B | |
Available Moves Moves
Damage vs Mareanie View Slowbro builds →Psyshock 2x123-146%KO Bulldoze 2x43-51% | ||
Oranguru NormalPsychic | C | |
Available Moves Moves
Damage vs Mareanie View Oranguru builds →Psyshock 2x114-134%KO Thunderbolt 2x84-100%KO Bulldoze 2x38-46% | ||
Hypno Psychic | C | |
Obtain MethodHauoli City Interact Encounter | ||
Espeon Psychic | B | |
Available Move Moves
Damage vs Mareanie View Espeon builds →Future Sight 2x227-267%KO | ||
Gardevoir PsychicFairy | B | |
Available Moves Moves
Damage vs Mareanie View Gardevoir builds →Dream Eater 2x183-217%KO Thunderbolt 2x111-131%KO | ||
Magnezone ElectricSteel | B | |
Slowbro WaterPsychic | B | |
Available Moves Moves
Damage vs Mareanie View Slowbro builds →Dream Eater 2x152-180%KO Bulldoze 2x44-53% | ||
Vikavolt BugElectric | B | |
Obtain MethodHeahea Beach Gift Available Moves Moves
Damage vs Mareanie View Vikavolt builds →Thunderbolt 2x187-220%KO Mud-Slap 2x30-36% | ||
Espeon Psychic | B | |
Available Move Moves
Damage vs Mareanie View Espeon builds →Future Sight 2x220-259%KO | ||
Gardevoir PsychicFairy | B | |
Available Moves Moves
Damage vs Mareanie View Gardevoir builds →Future Sight 2x214-251%KO Thunderbolt 2x107-126%KO | ||
Torterra GrassGround | C | |
Slowking WaterPsychic | C | |
Available Moves Moves
Damage vs Mareanie View Slowking builds →Dream Eater 2x147-173%KO Bulldoze 2x42-50% | ||
Magnezone ElectricSteel | B | |
Lunala PsychicGhost | S | |
Obtain MethodMahalo Trail Gift Available Moves Moves
Damage vs Mareanie View Lunala builds →Dream Eater 2x194-228%KO Thunderbolt 2x116-137%KO | ||
Espeon Psychic | B | |
Available Move Moves
Damage vs Mareanie View Espeon builds →Future Sight 2x224-264%KO | ||
Gardevoir PsychicFairy | B | |
Available Moves Moves
Damage vs Mareanie View Gardevoir builds →Future Sight 2x215-253%KO Thunderbolt 2x107-127%KO | ||
Torterra GrassGround | C | |
Swampert WaterGround | C | |
Mewtwo Psychic | S | |
Obtain MethodUltra Space Wilds Interact Encounter Available Moves Moves
Damage vs Mareanie View Mewtwo builds →Future Sight 2x264-311%KO Thunderbolt 2x133-156%KO Earthquake 2x96-114%KO | ||
Lunala PsychicGhost | S | |
Obtain MethodMahalo Trail Gift Available Moves Moves
Damage vs Mareanie View Lunala builds →Dream Eater 2x199-234%KO Thunderbolt 2x120-141%KO | ||
Xurkitree Electric | B | |
Obtain MethodUltra Space Interact Encounter | ||
Garchomp DragonGround | A | |
Necrozma Psychic | B | |
Obtain MethodMount Lanakila Interact Encounter Available Moves Moves
Damage vs Mareanie View Necrozma builds →Photon Geyser 2x186-219%KO Earthquake 2x94-111%KO Charge Beam 2x63-74% | ||
In Ultra Sun & Ultra Moon, Garchomp can KO Mareanie with Earthquake (88-104%). Alakazam threatens a KO with Psychic (98-115%). Mesprit deals 49-58% with Psyshock.
Garchomp DragonGround | A | |
Recommended Build AbilityRough Skin ItemRocky Helmet NatureJolly Moves
Damage vs Mareanie View Garchomp builds →Earthquake 2x88-104%KO Stone Edge29-35% | ||
Alakazam Psychic | B | |
Recommended Build AbilityMagic Guard ItemFocus Sash NatureTimid Moves
Damage vs Mareanie View Alakazam builds →Psychic 2x98-115%KO Focus Blast21-26% Energy Ball33-38% Shadow Ball29-34% | ||
C | ||
Recommended Build AbilityLevitate ItemLeftovers NatureTimid Moves
Damage vs Mareanie View Mesprit builds →Ice Beam14-16% Psyshock 2x49-58% Shadow Ball24-29% | ||
Mareanie Evolutions
Mareanie evolves into Toxapex. It's a two-stage chain with the method shown below. Plenty of partners for breeding via one egg group. Eggs are average hatch time. The evolved forms gain up to 190 total stats over Mareanie. View every chain in the Evolution Chart.
How to Evolve
USUM Mareanie Best Moveset
Poison/Water at 62 Defense with AbilityRegenerator healing a third of HP on every switch as a hidden ability. AbilityMerciless guarantees critical hits on poisoned targets. The moveset at pre-evolution stats serves as a slow Regenerator user. Toxapex one evolution away earns S-tier.
Best Build
Mareanie best EVs are Defense and Sp. Def
Wall Moveset
- Recover
- Toxic Spikes
- Scald
- Haze
Recommended Teammates
Moves List
You'll want to breed for Haze and Spit Up on Mareanie. These egg moves aren't just nice to have. Combined with STAB from Gunk Shot and Sludge Wave, they expand what Mareanie can actually threaten in practice.
How to Read the Moves Table
Tabs
- Level-Up
- Learned by leveling up.
- TM
- Taught by a Technical Machine.
- Egg
- Inherited via breeding.
- Tutor
- NPC tutor (cost: items, BP, money).
- Reminder
- An NPC reteaches any move this Pokemon could have learned by leveling up.
- Transfer
- Carried over from an older game using Pokemon HOME.
- Event
- Given out through Mystery Gift events.
Visual Signals
CAT (Category)
How the move deals damage and which stats it uses.
A small dot on the icon's corner marks the move as contact. That triggers abilities like Static, Flame Body, Rough Skin, or Iron Barbs, plus items like Rocky Helmet and Sticky Barb.
Tier (S to D)
Each move's competitive rank in RankedBoost's system. TM, Egg, and Tutor sort by tier by default (best first). On Level-Up, click the Tier header to do the same.
PWR (Power)
Base damage. Numbers shown in a type color include STAB (base × 1.5). Hover any colored number to see the math.
— means no power (status moves) or variable power.
Sorting & Filter
Click any column header to sort. Level-Up opens with Lv 1 at the top. TM, Egg, and Tutor open with the highest-tier moves at the top.
Search filters by move name or type. The Filter button limits the list to STAB, Physical, Special, or Status moves.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Base Stats
They eat Corsola branches, so Mareanie are hated by craftsmen who work with Corsola branches that have naturally fallen off.
Aside from its head, its body parts regenerate quickly if they’re cut off. After a good night’s sleep, Mareanie is back to normal.
Mareanie Ultra Sun & Ultra Moon Guide
In Ultra Sun & Ultra Moon, Mareanie does the job early-game if you need a Poison/Water type on your team. Evolve it into Toxapex before the later gyms and it holds up fine through the story.
Game Availability
Introduced in Sun & Moon, Mareanie has appeared in 5 games across 4 generations. Later debuts mean fewer total appearances, but it's been a consistent presence since its introduction.
Click a game to view version-specific details
- Gen 1RB

Red & Blue - Gen 1Y
Yellow - Gen 2GS

Gold & Silver - Gen 2C
Crystal - Gen 3RS

Ruby & Sapphire - Gen 3E
Emerald - Gen 3FRLG

FireRed & LeafGreen - Gen 4DP

Diamond & Pearl - Gen 4Pt
Platinum - Gen 4HGSS

HeartGold & SoulSilver - Gen 5BW

Black & White - Gen 5B2W2

Black 2 & White 2 - Gen 6XY

X & Y - Gen 6ORAS

Omega Ruby & Alpha Sapphire - Gen 7SMDebut

Sun & Moon - Gen 7USUM

Ultra Sun & Ultra Moon - Gen 7LGPE

Let's Go Pikachu & Eevee - Gen 8SwSh

Sword & Shield - Gen 8BDSP

Brilliant Diamond & Shining Pearl - Gen 8PLA
Legends: Arceus - Gen 9SV

Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW

Winds & Waves