diff --git a/include/constants/battle_ai.h b/include/constants/battle_ai.h
index c6277bf9b5..89cfd08ed0 100644
--- a/include/constants/battle_ai.h
+++ b/include/constants/battle_ai.h
@@ -38,6 +38,7 @@
 #define AI_FLAG_ASSUME_STAB                 AI_FLAG(28)  // AI knows player's STAB moves, but nothing else. Restricted version of AI_FLAG_OMNISCIENT.
 #define AI_FLAG_ASSUME_STATUS_MOVES         AI_FLAG(29)  // AI has a chance to know certain non-damaging moves, and also Fake Out and Super Fang. Restricted version of AI_FLAG_OMNISCIENT.
 #define AI_FLAG_ATTACKS_PARTNER             AI_FLAG(30)  // AI specific to double battles; AI can deliberately attack its 'partner.'
+#define AI_FLAG_KNOW_OPPONENT_PARTY         AI_FLAG(31)  // AI knows all the species in the player's party, but not moves/items/abilities unless they've been seen.
 
 // The following options are enough to have a basic/smart trainer. Any other addtion could make the trainer worse/better depending on the flag
 #define AI_FLAG_BASIC_TRAINER         (AI_FLAG_CHECK_BAD_MOVE | AI_FLAG_TRY_TO_FAINT | AI_FLAG_CHECK_VIABILITY)
diff --git a/src/battle_ai_main.c b/src/battle_ai_main.c
index 75cd0fdd1d..1ab83e2c67 100644
--- a/src/battle_ai_main.c
+++ b/src/battle_ai_main.c
@@ -447,6 +447,7 @@ void Ai_InitPartyStruct(void)
 {
     u32 i;
     bool32 isOmniscient = (gAiThinkingStruct->aiFlags[B_POSITION_OPPONENT_LEFT] & AI_FLAG_OMNISCIENT) || (gAiThinkingStruct->aiFlags[B_POSITION_OPPONENT_RIGHT] & AI_FLAG_OMNISCIENT);
+    bool32 hasPartyKnowledge = (gAiThinkingStruct->aiFlags[B_POSITION_OPPONENT_LEFT] & AI_FLAG_KNOW_OPPONENT_PARTY) || (gAiThinkingStruct->aiFlags[B_POSITION_OPPONENT_RIGHT] & AI_FLAG_KNOW_OPPONENT_PARTY);
     struct Pokemon *mon;
 
     gAiPartyData->count[B_SIDE_PLAYER] = CalculatePlayerPartyCount();
@@ -467,13 +468,16 @@ void Ai_InitPartyStruct(void)
     // Find fainted mons
     for (i = 0; i < gAiPartyData->count[B_SIDE_PLAYER]; i++)
     {
+        mon = &gPlayerParty[i];
         if (GetMonData(&gPlayerParty[i], MON_DATA_HP) == 0)
             gAiPartyData->mons[B_SIDE_PLAYER][i].isFainted = TRUE;
 
+        if (isOmniscient || hasPartyKnowledge)
+            gAiPartyData->mons[B_SIDE_PLAYER][i].species = GetMonData(mon, MON_DATA_SPECIES);
+
         if (isOmniscient)
         {
             u32 j;
-            mon = &gPlayerParty[i];
             gAiPartyData->mons[B_SIDE_PLAYER][i].item = GetMonData(mon, MON_DATA_HELD_ITEM);
             gAiPartyData->mons[B_SIDE_PLAYER][i].heldEffect = GetItemHoldEffect(gAiPartyData->mons[B_SIDE_PLAYER][i].item);
             gAiPartyData->mons[B_SIDE_PLAYER][i].ability = GetMonAbility(mon);