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EnvironmentSunken Sea
Damage30 / 60 Expert Mode / 72 Revengeance Mode / 79 Death Mode / 90 Master Mode / 108 Revengeance Mode Master Mode / 118 Death Mode Master Mode (in Pre-Hardmode)
60 / 120 Expert Mode / 144 Revengeance Mode / 158 Death Mode / 180 Master Mode / 216 Revengeance Mode Master Mode / 237 Death Mode Master Mode (in Hardmode)
Max Life150 / 300 Expert Mode / 450 Master Mode (in Pre-Hardmode)
300 / 600 Expert Mode / 900 Master Mode (in Hardmode)
Defense9999 (when passive)
6 (when aggressive in Pre-Hardmode)
15 (when aggressive in Hardmode)
KB Resist95% / 95.5% Expert Mode / 96% Master Mode
Immune toConfusedKami FluEutrophication
BannerClam BannerClam Banner

Clams are Pre-Hardmode enemies that spawn in the Sunken Sea biome. They are initially passive, but become hostile after taking damage three times. While hostile, they chase the player by making short leaps towards them.

If the Giant Clam is hostile, the spawn rate of Clams is drastically increased via the Clamity debuff, which causes them to become instantly aggressive as well. The Giant Clam also occasionally spawns groups of Clams while hostile.

Once the world enters Hardmode, Clams receive a boost to their stats.


  • Clams do not deal contact damage while they are passive.
  • Minions will not target passive Clams unless they have been hit by another weapon.
  • Damage taken from debuffs does not count as damage taken towards making them hostile.
  • If a Clam is outside of water (either led outside of water or summoned by the Giant Clam outside of water), it will move faster.


  • The BestiaryBestiary entry for the Clam: "Sluggish mollusks filter what they can from the brackish water. Their shells are as hard as stone but contain delicate, succulent flesh."