diff --git a/Resources/Prototypes/Entities/Mobs/Species/arachnid.yml b/Resources/Prototypes/Entities/Mobs/Species/arachnid.yml
index d0e5706b6b..2fb8e72a63 100644
--- a/Resources/Prototypes/Entities/Mobs/Species/arachnid.yml
+++ b/Resources/Prototypes/Entities/Mobs/Species/arachnid.yml
@@ -26,7 +26,6 @@
       types:
         Cold: 0.5
         Bloodloss: 0.5
-    baseDecayRate: 0.05 # Probably faster than humans?
   - type: Thirst
   # Damage and speed
   - type: Bloodstream
diff --git a/Resources/Prototypes/Entities/Mobs/Species/diona.yml b/Resources/Prototypes/Entities/Mobs/Species/diona.yml
index 5bf2180e9c..cb6c9443b2 100644
--- a/Resources/Prototypes/Entities/Mobs/Species/diona.yml
+++ b/Resources/Prototypes/Entities/Mobs/Species/diona.yml
@@ -11,8 +11,9 @@
     starvationDamage:
       types:
         Bloodloss: 0.5
+    baseDecayRate: 2.0
   - type: Thirst
-    baseDecayRate: 0.3
+    baseDecayRate: 2.0
   - type: Icon
     sprite: Mobs/Species/Diona/parts.rsi
     state: full