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GastropodHardmode exclusive
Gastropod.gifOld-gen console version and Nintendo 3DS version
Attack state
Classic Mode.png Classic
Expert Mode.png Expert
Master Mode.png Master
AI TypeHovering AI
Damage60/120/180 (contact)
50100150 (Pink Laser)
Max Life220/440/660
KB Resist20%/28%/36%
BannerGastropod BannerGastropod Banner
Immune toPoisonedConfused
Coins6 SC15 SC
Projectile created
Projectile created
Projectile created
  • Pink Laser
    Pink Laser
Old-gen console version Old-gen console and 3DSNintendo 3DS version
Exclusive Variant
Spectral GastropodHardmode exclusive
Spectral Gastropod.png
Max Life250
BannerSpectral Gastropod BannerSpectral Gastropod Banner(Old-gen console version)
Coins6 SC
  • Item (Quantity)Rate
  • GelGel (10–25)
Projectile created
  • Pink Laser
    Pink Laser

The Gastropod is a flying Hardmode slime that spawns frequently on the surface of The Hallow at night, and if the player is within its line of sight, opens its shell and fires high-velocity Pink Lasers which emit faint pink light.

The Old-gen console version Old-gen console version and Nintendo 3DSNintendo 3DS version version also feature the exclusive Spectral Gastropod variant. The Spectral Gastropod fires a Pink Laser, similar to that of the regular Gastropod.

Like most other slimes, the Gastropod will be passive towards any player with the Royal Gel(Desktop, Console and Mobile versions) accessory equipped.


  • Unlike many other flying enemies, Gastropods will enter water to chase the player and will continue firing per usual.
  • Gastropod lasers will keep traveling as long as they are in sight.
  • Gastropods have a short firing animation in which they open their shell before firing a laser from their mouth. If they are hit during this period, it is canceled, and their laser attack does not occur.
  • Gastropods' lasers ignore the Shroomite/Vortex armor's set bonus, able to target players when they are invisible, despite not moving to them while doing so.
  • Gastropods, unlike most slimes, cannot drop the Slime Staff.


  • Newer Hardmode players may want to avoid the Hallow's surface at night entirely, as Gastropods fire frequently, spawn often, and their lasers are high-speed and difficult to dodge, especially since multiple can appear in the vicinity. In Expert(Desktop, Console and Mobile versions) and Master Mode(Desktop, Console and Mobile versions), this is mostly dismissed by the Royal Gel's availability.
  • Gastropods drop much more Gel than any other non-boss slime, making them useful for gathering Flamethrower or Elf Melter ammo.
  • Weapons with high rates of fire like the Bee Gun can constantly hit Gastropods, leaving them near-defenseless.


  • Real-life gastropoda are a class of mollusk that includes snails and slugs.
  • (Desktop, Console and Mobile versions) Sometimes Gastropods can be seen flying in the Hallow background at night as ambiance.
  • The BestiaryBestiary entry for the Gastropod: "Touched by the blessing, these nocturnal slimes evolved into a levitating snail-like creature which spits powerful beams of light."
  • This entry explains that the Gastropods are Hallow-enhanced nocturnal slimes, though it is not clear what connection these have with real-life gastropods. Two possible reasons are that both have very soft and jelly-like bodies, and that both are said to leave behind a trail of ooze-like substances as they move.



  • Desktop 1.4.4: Now have some built in inaccuracy when firing, reducing their likelihood of hitting the player from long distances.