diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/xenopet.yml b/Resources/Prototypes/Entities/Mobs/NPCs/xenopet.yml
index a6963f1601..ffa5764c12 100644
--- a/Resources/Prototypes/Entities/Mobs/NPCs/xenopet.yml
+++ b/Resources/Prototypes/Entities/Mobs/NPCs/xenopet.yml
@@ -398,7 +398,7 @@
     - id: MobArgocyteFounder
       prob: 0.003
     - id: MobArgocyteLeviathing
-      prob: 0.001
+      prob: 0.0001
 
 - type: entity
   id: MeatVents