diff --git a/mappings/net/minecraft/datafixer/fix/EntitySalmonSizeFix.mapping b/mappings/net/minecraft/datafixer/fix/EntitySalmonSizeFix.mapping
new file mode 100644
index 0000000000..4807775737
--- /dev/null
+++ b/mappings/net/minecraft/datafixer/fix/EntitySalmonSizeFix.mapping
@@ -0,0 +1,5 @@
+CLASS net/minecraft/class_10369 net/minecraft/datafixer/fix/EntitySalmonSizeFix
+	METHOD <init> (Lcom/mojang/datafixers/schemas/Schema;)V
+		ARG 1 outputSchema
+	METHOD method_65079 (Lcom/mojang/serialization/Dynamic;)Lcom/mojang/serialization/Dynamic;
+		ARG 0 dynamic