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Slug Monster is a Corrupted Gem that appeared in Issue 4 of the Steven Universe comic series. She was seen attacking Beach City and kidnapping its residents.

Appearance

The Slug Monster resembles a giant green sea slug. She has a long, predominantly green, body that has three pairs of green legs. One pair of club-like antennae is seen on her head with two large eyes below them. Another pair of bent antennae is found near the end of her body. On her back is a long strip of purple where sacs that can hold smaller creatures are located.

Abilities

  • Opisthobranchia Physiology: The Slug Monster has similar appearance and innate abilities akin to that of most opisthobranchs, specifically the sea slugs.
    • Sequestration: She has shown that she has the ability to capture smaller creatures and hold them in sacs located on her back.

History

Issue 4

The Slug Monster is seen attacking Beach City and kidnapping the townspeople. Lion is able to save the townspeople by teleporting them to safety before the Crystal Gems finish her off.

Issue 5

Steven and Connie talk about the attack, mentioning that during the Slug Monster's rampage she consumes the entire public library.

Trivia

  • The Slug Monster resembles a sea slug in the genus Costasiella.
    • The sea slug sequesters the photosynthetic plastids of various algae they consume and keep them in sac-like processes located on their backs and use it for themselves.

Gemstone

Image Description
Catterpillar Gemstone Her gemstone is located on her mouth.

Gallery

ve Comic Gems
Adventure Time: 2013 Spoooktacular #01

Cobelisk Gem revision

Steven Universe (2014-2015)

CloudGemNAV MantaNAV SlugNAV BookGemNAV SnowBeastNAV PlantGemNAV ClockNAV

Steven Universe (2017)

RedBirdNAV

Steven Universe and the Crystal Gems

GlassNAV

One-Shots

GBNAV GameGemNAV SlimeNAV

Steven Universe:Too Cool for School

Mollusk

ve Characters in Steven Universe
Crystal Gems Half: Steven

Unfused: AmethystBismuthPearlPeridotRose QuartzRubySapphire
Gem Fusions: AlexandriteCluster GemsGarnetOpalRainbow QuartzSardonyxSugiliteUnknown Fusion Gem
Hybrid Fusions: Smoky QuartzStevonnie
Inactive: Bismuth • Rose Quartz • "Biggs""Crazy Lace""Snowflake"

Homeworld Gems Unfused: AquamarineDiamonds (Blue DiamondYellow Diamond • White Diamond • Pink Diamond) • Emerald • Pearls (Blue PearlYellow Pearl • White Pearl • Pink Pearl) • Quartz (Holly Blue Agate • The "Famethyst"Carnelian"Skinny" JasperOthers) • Rubies (ArmyDocEyeballLeggyNavy • Others) • TopazesZircons (DefenseProsecuting)

Fusions: MalachiteTopazCorrupted Jasper Fusion"Giant Ruby"Ruby (triple fusion)
Inactive: Centipeetle Mother • JasperPink DiamondZircon (Defense)Zircon (Prosecuting)

Other Gems Corrupted: Ant Gem MonsterBig BirdCentipeetle MotherClock Tower GemCrab Gem MonsterDesert GlassEarth BeetleGem Cave CreatureGlass GhostHeaven BeetleIce MonsterInvisible Gem MonsterInvisible Manta RayJasperLighthouse Gem MonsterMolluskObeliskOld Book GemOrange Great North MonsterPyramid Temple GemPerils of PweepweePlant MonsterRainbow Cloud MonsterRed Bird Gem MonsterSlime Gem MonsterSlinkerSlug MonsterSnowbeastSnow MonsterTongue MonsterWater BearWatermelon TourmalineWorm MonsterUnknown Giant BirdUnknown Giant Gem Monster

Other Gems: The ClusterLapis LazuliMinor GemsMinor Corrupted GemsUnknown Gems (Morganite • Nephrite • Unknown Quartz Warrior • Blue Diamond's Court • Pink Diamond's EntourageCitrines)

Off Colors Gems: FluoritePadparadschaRhodoniteRutile Twins
Major Characters Human: Connie MaheswaranGreg UniverseLars BarrigaSadie Miller

Other: Lion

Recurring Characters Humans: Andy DeMayoBarbara MillerBill DeweyBuck DeweyBuddy BuddwickDoug MaheswaranDr. Priyanka MaheswaranHarold SmileyJamieJaneJenny PizzaKevinKiki PizzaKofi PizzaMartyMr. FrymanMystery GirlNanefua PizzaOnionOnion's FriendsPeedee FrymanRonaldo FrymanSour CreamQuentin FrowneySuitcase SamVidaliaYellowtailZoomans

Other: Baby MelonBlue CrabHolo-PearlMagic MossPumpkinSteven Jr.Watermelon Stevens

Minor Characters Humans: The Best Diner in the World's WaitressDante BarrigaEmpire City Wildlife Rehabilitation Center EmployeeGaryGreg's family (Aunt and Uncle • Aunt DebGrandfather) • Hospital Employees (Dr. GeroDr. StrombergDr. West) JeffMarty's RoadiesMayor Dewey's BodyguardsMartha BarrigaMike KrolOnion's Friends (Garbanzo • Pinto • Soup • Squash) • RickyWilliam Buford BuchananWilliam DeweyMinor Human Characters

Other: Blue CrabsButt LobsterDogMask Island FishOnion's MouseOnion's SnakeRaccoonSeagullsSteven The ThirdSusanMinor Animal Characters

Fictional Characters Cookie CatDogcopterMearlPizza JennyMinor Fictional Characters

Camp Pining Hearts: PaulettePercyPierre
Garnet's Universe: FoxmanHopperHoppyRingo
Golf Quest Mini: AceAce's Father
Li'l Butler: Li'l ButlerMr. MoneyMrs. MoneyDaughter Money • Dirtbike Money
Lonely Blade: Evil JanitorLonely Blade
Rose's Room: Cloud ConnieTiny Floating Whale
The Spirit Morph Saga: ArchimicarusLisaPlinkmanWind Lizard

Antagonists CentipeetlesCrab MonstersCrystal BasiliskCrystal ShrimpDrill ParasitesElectric SkullsFryboRed EyeRobot Shooty ThingSmoke MonsterVine Monsters
Alter Egos Billy Bank AssetsChunk TruckConcrete HeatDashing Danny DooberHandsome Hank HackleschmidtHowl JonesLoch Ness BloggsterPurple PumaSea WaspShark-O-ManiaTiger Millionaire
Attack the Light Blue LightGreen LightIndigo LightOrange LightRed LightViolet LightWhite LightYellow Light

Groups: Light ArmyBlue Monsters • Green Monsters • Indigo MonstersOrange MonstersRed Monsters

Save the Light Squaridot
Groups Cool Kids • Crystal GemsCrystal Temps • Great Diamond Authority • Homeworld Gems • Hospital EmployeesOff ColorsOnion's FriendsSecret Team • Steven and the Stevens • Water ClonesZoomansMinor Human CharactersMinor Animal CharactersMinor Fictional CharactersMinor Gem CharactersMinor Corrupted GemsUnknown Gems