diff --git a/include/constants/species.h b/include/constants/species.h
index f281fbc532..c1236b430b 100644
--- a/include/constants/species.h
+++ b/include/constants/species.h
@@ -1567,7 +1567,14 @@
 // Scarlet and Violet 1.2.0
 #define SPECIES_WALKING_WAKE                 GEN9_START + 118
 #define SPECIES_IRON_LEAVES                  GEN9_START + 119
-
+// Teal Mask
+#define SPECIES_DIPPLIN                      GEN9_START + 120
+#define SPECIES_POLTCHAGEIST                 SPECIES_POLTCHAGEIST_COUNTERFEIT
+#define SPECIES_POLTCHAGEIST_COUNTERFEIT     GEN9_START + 121
+#define SPECIES_POLTCHAGEIST_ARTISAN         GEN9_START + 122
+#define SPECIES_SINISTCHA                    SPECIES_SINISTCHA_UNREMARKABLE
+#define SPECIES_SINISTCHA_UNREMARKABLE       GEN9_START + 123
+#define SPECIES_SINISTCHA_MASTERPIECE        GEN9_START + 124
 
 #define GIGANTAMAX_START                     SPECIES_IRON_LEAVES