diff --git a/SPECS.md b/SPECS.md
index cbf0844..7d37964 100644
--- a/SPECS.md
+++ b/SPECS.md
@@ -140,6 +140,7 @@ tyre pressures, GPS (lat, lon, elevation, heading) and the is_* flags. It does *
   confirmed car facts, app structure, UI conventions, build/test/ship, documents. It replaces
   upstream's EVABRPUploader text. The test emulator is now in the flake: `nix run .#car-emulator`
   (Android 9 AOSP at 1920×720, 160 dpi; the car build installs as the system user — checked).
+- 2026-10-31 — App 2.43.1: Halloween's bats can be seen. They were near-black and small on the darkest part of the sky, and the owner did not spot them; now a moonlit purple-grey with a light edge, a third larger. Two screenshots redone. Tested: unit tests, lint, emulator with sample values (panel and full screen) and with no data (no bats). Not tried on the car.
 - 2026-10-31 — App 2.43.0 published (`car-2.43.0`).
 - 2026-10-31 — App 2.43.0: Overview styles **Día de Muertos** (`MuertosView`) and **Halloween**
   (`HalloweenView`; owner: "let's design a 'dia de muertos' and a 'halloween' style"), each with
diff --git a/app/build.gradle b/app/build.gradle
index 16c24e7..937ede9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -34,8 +34,8 @@ android {
         applicationId "com.stinnesbeck.nilsmg4"
         minSdk 27
         targetSdk 36
-        versionCode 153
-        versionName "2.43.0"
+        versionCode 154
+        versionName "2.43.1"
 
         // Nothing about the server ships in the APK: its URL and ingest token are entered in
         // the app's Server tab (ServerConfig), and the database is only reachable by the server.
diff --git a/app/src/main/java/com/evsuite/abrp/HalloweenView.java b/app/src/main/java/com/evsuite/abrp/HalloweenView.java
index 72c104b..b49c67d 100644
--- a/app/src/main/java/com/evsuite/abrp/HalloweenView.java
+++ b/app/src/main/java/com/evsuite/abrp/HalloweenView.java
@@ -39,6 +39,7 @@ final class HalloweenView extends ClusterCanvasView {
     private static final int STONE_DARK = 0xFF3E3C4A, MOON = 0xFFF4E9B8, MOON_SHADE = 0xFFD8C98C;
     private static final int POTION = 0xFF7BF03A, GLASS = 0xFFB9D8D0, BONE = 0xFFF2EAD8, ORANGE = 0xFFFF8C1A;
     private static final int STEM = 0xFF4E7A2B, WOOD = 0xFF2E1B10, INK = 0xFF140A08;
+    private static final int BAT = 0xFF6F6390, BAT_EDGE = 0xFFD6CCEA;
 
     private final Paint fill = new Paint(Paint.ANTI_ALIAS_FLAG);
     private final Paint line = new Paint(Paint.ANTI_ALIAS_FLAG);
@@ -180,11 +181,11 @@ final class HalloweenView extends ClusterCanvasView {
             float x = ((i * 0.13f * span + time * speed) % span) + w * 0.04f;
             float y = lane + (float) Math.sin(time * 2f + i) * 8f * u;
             if (Math.abs(x - cx) < 60f * u) y -= 10f * u;
-            bat(c, x, y, (i % 2 == 0 ? 15f : 12f) * u, (float) Math.sin(time * 14f + i * 2f));
+            bat(c, x, y, (i % 2 == 0 ? 20f : 16f) * u, (float) Math.sin(time * 14f + i * 2f), u);
         }
     }
 
-    private void bat(Canvas c, float x, float y, float s, float flap) {
+    private void bat(Canvas c, float x, float y, float s, float flap, float u) {
         float tip = -s * 0.5f * flap;
         path.reset();
         path.moveTo(x, y - s * 0.3f);
@@ -197,8 +198,12 @@ final class HalloweenView extends ClusterCanvasView {
         path.quadTo(x - s * 1.1f, y + s * 0.05f, x - s * 1.5f, y - s * 0.3f + tip);
         path.quadTo(x - s * 0.6f, y - s * 0.7f + tip, x, y - s * 0.3f);
         path.close();
-        fill.setColor(0xFF06030C);
+        // Lit by the moon: black would vanish in the night sky.
+        fill.setColor(BAT);
         c.drawPath(path, fill);
+        line.setColor(BAT_EDGE);
+        line.setStrokeWidth(1.5f * u);
+        c.drawPath(path, line);
     }
 
     // ---------- Ghost: only where there is room ----------
diff --git a/screenshots/themes/halloween-panel.png b/screenshots/themes/halloween-panel.png
index 35fd04e..3fa386e 100644
Binary files a/screenshots/themes/halloween-panel.png and b/screenshots/themes/halloween-panel.png differ
diff --git a/screenshots/themes/halloween.png b/screenshots/themes/halloween.png
index 79c6b8b..de4e848 100644
Binary files a/screenshots/themes/halloween.png and b/screenshots/themes/halloween.png differ