diff --git a/src/data/balance/rates.ts b/src/data/balance/rates.ts
index 06f3ee78efd..83dd7cfac02 100644
--- a/src/data/balance/rates.ts
+++ b/src/data/balance/rates.ts
@@ -51,3 +51,6 @@ export const BOOSTED_RARE_EGGMOVE_RATES: readonly number[] = [16, 12, 6, 3];
 // The chance x/10 of a shiny being a variant, then of being specifically an epic variant
 export const SHINY_VARIANT_CHANCE = 4;
 export const SHINY_EPIC_CHANCE = 1;
+
+// The catch rate bonus for shiny mons, introduced in Z-A. Can be boosted in events.
+export const SHINY_CATCH_RATE_MULTIPLIER = 2;
diff --git a/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts b/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts
index 8e901002aa9..700cee3d323 100644
--- a/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts
+++ b/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts
@@ -1,3 +1,4 @@
+import { timedEventManager } from "#app/global-event-manager";
 import { globalScene } from "#app/global-scene";
 import { getPokemonNameWithAffix } from "#app/messages";
 import { speciesStarterCosts } from "#balance/starters";
@@ -452,7 +453,8 @@ export function trainerThrowPokeball(
     const catchRate = pokemon.species.catchRate;
     const pokeballMultiplier = getPokeballCatchMultiplier(pokeballType);
     const statusMultiplier = pokemon.status ? getStatusEffectCatchRateMultiplier(pokemon.status.effect) : 1;
-    const x = Math.round((((_3m - _2h) * catchRate * pokeballMultiplier) / _3m) * statusMultiplier);
+    const shinyMultiplier = pokemon.isShiny() ? timedEventManager.getShinyCatchMultiplier() : 1;
+    const x = Math.round((((_3m - _2h) * catchRate * pokeballMultiplier) / _3m) * statusMultiplier * shinyMultiplier);
     ballTwitchRate = Math.round(65536 / Math.sqrt(Math.sqrt(255 / x)));
   }
 
diff --git a/src/phases/attempt-capture-phase.ts b/src/phases/attempt-capture-phase.ts
index 2eadae244d5..2660dd6294d 100644
--- a/src/phases/attempt-capture-phase.ts
+++ b/src/phases/attempt-capture-phase.ts
@@ -1,6 +1,8 @@
 import { PLAYER_PARTY_MAX_SIZE } from "#app/constants";
+import { timedEventManager } from "#app/global-event-manager";
 import { globalScene } from "#app/global-scene";
 import { getPokemonNameWithAffix } from "#app/messages";
+import { isBeta, isDev } from "#constants/app-constants";
 import { SubstituteTag } from "#data/battler-tags";
 import { Gender } from "#data/gender";
 import {
@@ -64,9 +66,26 @@ export class AttemptCapturePhase extends PokemonPhase {
     const catchRate = pokemon.species.catchRate;
     const pokeballMultiplier = getPokeballCatchMultiplier(this.pokeballType);
     const statusMultiplier = pokemon.status ? getStatusEffectCatchRateMultiplier(pokemon.status.effect) : 1;
-    const modifiedCatchRate = Math.round((((_3m - _2h) * catchRate * pokeballMultiplier) / _3m) * statusMultiplier);
+    const shinyMultiplier = pokemon.isShiny() ? timedEventManager.getShinyCatchMultiplier() : 1;
+    const modifiedCatchRate = Math.round(
+      (((_3m - _2h) * catchRate * pokeballMultiplier) / _3m) * statusMultiplier * shinyMultiplier,
+    );
     const shakeProbability = Math.round(65536 / Math.pow(255 / modifiedCatchRate, 0.1875)); // Formula taken from gen 6
     const criticalCaptureChance = getCriticalCaptureChance(modifiedCatchRate);
+
+    if ((isBeta || isDev) && import.meta.env.NODE_ENV !== "test") {
+      console.log(
+        "Base Catch Rate: %d\nBall Mult: %d\nStatus Mult: %d\nShiny Bonus: %d\nModified Catch Rate: %d\nShake Probability: %d\nCritical Catch Chance: %d",
+        catchRate,
+        pokeballMultiplier,
+        statusMultiplier,
+        shinyMultiplier,
+        modifiedCatchRate,
+        shakeProbability,
+        criticalCaptureChance,
+      );
+    }
+
     const isCritical = pokemon.randBattleSeedInt(256) < criticalCaptureChance;
     const fpOffset = pokemon.getFieldPositionOffset();
 
diff --git a/src/timed-event-manager.ts b/src/timed-event-manager.ts
index 76398b5df8d..926a65837cb 100644
--- a/src/timed-event-manager.ts
+++ b/src/timed-event-manager.ts
@@ -1,4 +1,5 @@
 import { globalScene } from "#app/global-scene";
+import { SHINY_CATCH_RATE_MULTIPLIER } from "#balance/rates";
 import { CLASSIC_CANDY_FRIENDSHIP_MULTIPLIER } from "#balance/starters";
 import type { WeatherPoolEntry } from "#data/weather";
 import { Challenges } from "#enums/challenges";
@@ -432,7 +433,7 @@ export class TimedEventManager {
    * @returns the shiny catch multiplier
    */
   getShinyCatchMultiplier(): number {
-    return this.activeEvent()?.shinyCatchMultiplier ?? 1;
+    return this.activeEvent()?.shinyCatchMultiplier ?? SHINY_CATCH_RATE_MULTIPLIER;
   }
 
   getEventBannerFilename(): string {