diff --git a/server/src/filters/builder/pokemon.js b/server/src/filters/builder/pokemon.js
index 6a2fc5c58..6e8518859 100644
--- a/server/src/filters/builder/pokemon.js
+++ b/server/src/filters/builder/pokemon.js
@@ -1,6 +1,7 @@
 // @ts-check
 const { state } = require('../../services/state')
 const { BaseFilter } = require('../Base')
+const { getWildFilterKey } = require('../pokemon/getWildFilterKey')
 
 /**
  *
@@ -36,20 +37,18 @@ function buildPokemon(defaults, base, custom) {
   Object.entries(state.event.masterfile.pokemon).forEach(([id, pkmn]) => {
     pokemon.quests[`${id}`] = new BaseFilter(defaults.pokestops.pokemon)
     Object.keys(pkmn.forms).forEach((form) => {
-      pokemon.full[`${id}-${form}`] = base
-      pokemon.raids[`${id}-${form}`] = new BaseFilter(defaults.gyms.pokemon)
-      pokemon.stations[`${id}-${form}`] = new BaseFilter(
-        defaults.stations.pokemon,
-      )
-      pokemon.quests[`${id}-${form}`] = new BaseFilter(
-        defaults.pokestops.pokemon,
-      )
+      const filterKey = getWildFilterKey(id, form)
+      const rawKey = `${id}-${form}`
+      pokemon.full[filterKey] = base
+      pokemon.raids[rawKey] = new BaseFilter(defaults.gyms.pokemon)
+      pokemon.stations[rawKey] = new BaseFilter(defaults.stations.pokemon)
+      pokemon.quests[rawKey] = new BaseFilter(defaults.pokestops.pokemon)
       if (state.db.filterContext.Pokestop.hasConfirmedInvasions) {
-        pokemon.rocket[`a${id}-${form}`] = new BaseFilter(
+        pokemon.rocket[`a${rawKey}`] = new BaseFilter(
           defaults.pokestops.invasionPokemon,
         )
       }
-      pokemon.nests[`${id}-${form}`] = new BaseFilter(defaults.nests.allPokemon)
+      pokemon.nests[rawKey] = new BaseFilter(defaults.nests.allPokemon)
     })
     if ('family' in pkmn) {
       if (pkmn.family === +id) {
diff --git a/server/src/filters/pokemon/Backend.js b/server/src/filters/pokemon/Backend.js
index 6c11ef166..77c21d12e 100644
--- a/server/src/filters/pokemon/Backend.js
+++ b/server/src/filters/pokemon/Backend.js
@@ -4,6 +4,7 @@
 const config = require('@rm/config')
 const { log, TAGS } = require('@rm/logger')
 const { AND_KEYS, BASE_KEYS } = require('./constants')
+const { getWildFilterKey } = require('./getWildFilterKey')
 const {
   deepCompare,
   between,
@@ -372,7 +373,7 @@ class PkmnBackend {
         return true
       if (
         !this.mods.onlyLinkGlobal ||
-        (this.pokemon === pokemon.pokemon_id && this.form === pokemon.form)
+        this.id === getWildFilterKey(pokemon.pokemon_id, pokemon.form)
       ) {
         if (!this.expertFilter || !this.expertGlobal) return true
         if (this.expertFilter(pokemon)) {
diff --git a/server/src/filters/pokemon/getWildFilterKey.js b/server/src/filters/pokemon/getWildFilterKey.js
new file mode 100644
index 000000000..a70ac58b6
--- /dev/null
+++ b/server/src/filters/pokemon/getWildFilterKey.js
@@ -0,0 +1,25 @@
+const DITTO_ID = 132
+
+const normalizePokemonId = (pokemonId) => {
+  const parsedPokemonId = Number.parseInt(`${pokemonId}`, 10)
+  return Number.isNaN(parsedPokemonId) ? 0 : parsedPokemonId
+}
+
+const normalizePokemonForm = (pokemonId, formId = 0) => {
+  if (normalizePokemonId(pokemonId) === DITTO_ID) {
+    // Confirmed wild Ditto is already treated as species-based upstream.
+    // Golbat/MEM keeps the scanner lookup on `pokemon_id = 132, form = 0`,
+    // while the raw form field may still carry the disguise form for display.
+    return 0
+  }
+  const parsedFormId = Number.parseInt(`${formId ?? 0}`, 10)
+  return Number.isNaN(parsedFormId) ? 0 : parsedFormId
+}
+
+const getWildFilterKey = (pokemonId, formId = 0) =>
+  `${normalizePokemonId(pokemonId)}-${normalizePokemonForm(pokemonId, formId)}`
+
+module.exports = {
+  DITTO_ID,
+  getWildFilterKey,
+}
diff --git a/server/src/models/Pokemon.js b/server/src/models/Pokemon.js
index 8fed505b7..f9dfbc46d 100644
--- a/server/src/models/Pokemon.js
+++ b/server/src/models/Pokemon.js
@@ -25,13 +25,12 @@ const {
   BASE_KEYS,
 } = require('../filters/pokemon/constants')
 const { PkmnBackend } = require('../filters/pokemon/Backend')
+const {
+  DITTO_ID,
+  getWildFilterKey,
+} = require('../filters/pokemon/getWildFilterKey')
 const { state } = require('../services/state')
 
-const DITTO_ID = 132
-
-const getPokemonFilterKey = (pokemonId, form) =>
-  pokemonId === DITTO_ID ? `${DITTO_ID}-0` : `${pokemonId}-${form}`
-
 class Pokemon extends Model {
   static get tableName() {
     return 'pokemon'
@@ -169,7 +168,12 @@ class Pokemon extends Model {
     const pokemonForms = []
     Object.values(filterMap).forEach((filter) => {
       pokemonIds.push(filter.pokemon)
-      pokemonForms.push(filter.form)
+      if (!(filter.pokemon === DITTO_ID && filter.form === 0)) {
+        // Wild Ditto uses a synthetic canonical filter form. Keep the SQL
+        // prefilter species-only here so disguise form ids don't get turned
+        // into `form = 0` broad matches.
+        pokemonForms.push(filter.form)
+      }
       if (
         !queryPvp &&
         config
@@ -260,8 +264,12 @@ class Pokemon extends Model {
           } else {
             ivOr.whereNull('pokemon_id')
           }
-          ivOr.orWhereIn('pokemon_id', pokemonIds)
-          ivOr.orWhereIn('pokemon.form', pokemonForms)
+          if (pokemonIds.length) {
+            ivOr.orWhereIn('pokemon_id', pokemonIds)
+          }
+          if (pokemonForms.length) {
+            ivOr.orWhereIn('pokemon.form', pokemonForms)
+          }
         }
         if (onlyZeroIv && ivs) {
           ivOr.orWhere(isMad ? raw(IV_CALC) : 'iv', 0)
@@ -359,7 +367,7 @@ class Pokemon extends Model {
     // form checker
     for (let i = 0; i < results.length; i += 1) {
       const pkmn = results[i]
-      const id = getPokemonFilterKey(pkmn.pokemon_id, pkmn.form)
+      const id = getWildFilterKey(pkmn.pokemon_id, pkmn.form)
       const filter = filterMap[id] || globalFilter
       let noPvp = true
 
@@ -439,8 +447,7 @@ class Pokemon extends Model {
     for (let i = 0; i < pvpResults.length; i += 1) {
       const pkmn = pvpResults[i]
       const filter =
-        filterMap[getPokemonFilterKey(pkmn.pokemon_id, pkmn.form)] ||
-        globalFilter
+        filterMap[getWildFilterKey(pkmn.pokemon_id, pkmn.form)] || globalFilter
       const result = filter.build(pkmn)
       if (filter.valid(result)) {
         finalResults.push(result)
@@ -803,13 +810,13 @@ class Pokemon extends Model {
     const built = filtered
       .map((item) => {
         const filter =
-          filterMap[getPokemonFilterKey(item.pokemon_id, item.form)] ||
+          filterMap[getWildFilterKey(item.pokemon_id, item.form)] ||
           globalFilter
         return filter.build(item)
       })
       .filter((pkmn) => {
         const filter =
-          filterMap[getPokemonFilterKey(pkmn.pokemon_id, pkmn.form)] ||
+          filterMap[getWildFilterKey(pkmn.pokemon_id, pkmn.form)] ||
           globalFilter
         return filter.valid(pkmn)
       })
@@ -886,14 +893,22 @@ class Pokemon extends Model {
       secret,
       httpAuth,
     )
-    available.forEach((pkmn) => {
-      if (pkmn.id === DITTO_ID) pkmn.form = 0
-    })
+    const normalizedAvailable = available.reduce(
+      (acc, pkmn) => {
+        // Wild Ditto reports disguise form ids here, not true Ditto form ids.
+        // Normalize them to a single wild-filter key for the Pokémon drawer.
+        const key = getWildFilterKey(pkmn.id, pkmn.form)
+        acc.available.add(key)
+        const current = Number(acc.rarity.get(key) ?? 0)
+        const count = Number(pkmn.count ?? 0)
+        acc.rarity.set(key, current + count)
+        return acc
+      },
+      { available: new Set(), rarity: new Map() },
+    )
     return {
-      available: available.map((pkmn) => `${pkmn.id}-${pkmn.form}`),
-      rarity: Object.fromEntries(
-        available.map((pkmn) => [`${pkmn.id}-${pkmn.form}`, pkmn.count]),
-      ),
+      available: [...normalizedAvailable.available],
+      rarity: Object.fromEntries(normalizedAvailable.rarity),
     }
   }
 
diff --git a/server/src/services/EventManager.js b/server/src/services/EventManager.js
index 1eb5091bb..a6538db11 100644
--- a/server/src/services/EventManager.js
+++ b/server/src/services/EventManager.js
@@ -415,6 +415,11 @@ class EventManager extends Logger {
       if (!Number.isNaN(parseInt(item.charAt(0)))) {
         const [id, form] = item.split('-')
         const formId = form || '0'
+        if (category === 'pokemon' && id === '132' && formId === '0') {
+          // Wild Ditto uses a synthetic filter key here. Do not backfill it
+          // into the masterfile as a real form entry.
+          return
+        }
         if (!this.masterfile.pokemon[id]) {
           this.masterfile.pokemon[id] = {
             name: '',
diff --git a/src/features/pokemon/PokemonPopup.jsx b/src/features/pokemon/PokemonPopup.jsx
index f88937713..4fedc3f44 100644
--- a/src/features/pokemon/PokemonPopup.jsx
+++ b/src/features/pokemon/PokemonPopup.jsx
@@ -33,6 +33,7 @@ import { GET_TAPPABLE_BY_ID } from '@services/queries/tappable'
 import { usePokemonBackgroundVisual } from '@hooks/usePokemonBackgroundVisuals'
 import { BackgroundCard } from '@components/popups/BackgroundCard'
 import { getFormDisplay } from '@utils/getFormDisplay'
+import { getWildFilterId } from '@utils/getWildFilterId'
 
 const rowClass = { width: 30, fontWeight: 'bold' }
 
@@ -346,6 +347,7 @@ const Header = ({ pokemon, metaData, iconUrl, userSettings, isTutorial }) => {
 
   const [anchorEl, setAnchorEl] = React.useState(null)
   const { id, pokemon_id, form, display_pokemon_id } = pokemon
+  const filterKey = getWildFilterId(pokemon_id, form)
 
   const handleClick = (event) => {
     setAnchorEl(event.currentTarget)
@@ -363,8 +365,7 @@ const Header = ({ pokemon, metaData, iconUrl, userSettings, isTutorial }) => {
   const handleExclude = () => {
     setAnchorEl(null)
     if (filters?.pokemon?.filter) {
-      const key = `${pokemon_id}-${form}`
-      setDeepStore(`filters.pokemon.filter.${key}.enabled`, false)
+      setDeepStore(`filters.pokemon.filter.${filterKey}.enabled`, false)
     }
   }
 
@@ -382,10 +383,7 @@ const Header = ({ pokemon, metaData, iconUrl, userSettings, isTutorial }) => {
     { name: 'timer', action: handleTimer },
     { name: 'hide', action: handleHide },
   ]
-  if (
-    isTutorial ||
-    filters?.pokemon?.filter?.[`${pokemon_id}-${form}`]?.enabled
-  ) {
+  if (isTutorial || filters?.pokemon?.filter?.[filterKey]?.enabled) {
     options.push({ name: 'exclude', action: handleExclude })
   }
   const pokeName = t(`poke_${metaData.pokedexId}`)
diff --git a/src/features/pokemon/PokemonTile.jsx b/src/features/pokemon/PokemonTile.jsx
index 29f4ce638..f2e288872 100644
--- a/src/features/pokemon/PokemonTile.jsx
+++ b/src/features/pokemon/PokemonTile.jsx
@@ -20,6 +20,7 @@ import { getTimeUntil } from '@utils/getTimeUntil'
 import { normalizeCategory } from '@utils/normalizeCategory'
 import { getS2Polygon } from '@utils/getS2Polygon'
 import { getFormDisplay } from '@utils/getFormDisplay'
+import { getWildFilterId } from '@utils/getWildFilterId'
 
 import { PokemonPopup } from './PokemonPopup'
 import { basicPokemonMarker, fancyPokemonMarker } from './pokemonMarker'
@@ -46,7 +47,7 @@ const getGlowStatus = (pkmn, userSettings) => {
  * @returns
  */
 const BasePokemonTile = (pkmn) => {
-  const internalId = `${pkmn.pokemon_id}-${pkmn.form}`
+  const internalId = getWildFilterId(pkmn.pokemon_id, pkmn.form)
 
   const [markerRef, setMarkerRef] = React.useState(null)
 
diff --git a/src/pages/map/hooks/useGenPokemon.js b/src/pages/map/hooks/useGenPokemon.js
index 2968ab9d8..8a457cd6a 100644
--- a/src/pages/map/hooks/useGenPokemon.js
+++ b/src/pages/map/hooks/useGenPokemon.js
@@ -3,6 +3,7 @@ import { useEffect } from 'react'
 import { useTranslation } from 'react-i18next'
 
 import { useMemory } from '@store/useMemory'
+import { getWildFilterId } from '@utils/getWildFilterId'
 
 export function useGenPokemon() {
   const { t } = useTranslation()
@@ -29,7 +30,10 @@ export function useGenPokemon() {
       const pokeName = t(`poke_${i}`)
       Object.entries(pkmn.forms).forEach(([j, form]) => {
         const formName = t(`form_${j}`)
-        const id = `${i}-${j}`
+        const id = getWildFilterId(i, j)
+        if (tempObj.pokemon[id]) {
+          return
+        }
         const formTypes = (form.types || pkmn.types || []).map(
           (x) => `poke_type_${x}`,
         )
diff --git a/src/utils/getWildFilterId.js b/src/utils/getWildFilterId.js
new file mode 100644
index 000000000..5851111c4
--- /dev/null
+++ b/src/utils/getWildFilterId.js
@@ -0,0 +1,12 @@
+const DITTO_ID = 132
+
+export const getWildFilterId = (pokemonId, formId = 0) => {
+  const normalizedPokemonId = Number.parseInt(`${pokemonId}`, 10)
+  const normalizedFormId = Number.parseInt(`${formId ?? 0}`, 10)
+  if (normalizedPokemonId === DITTO_ID) {
+    return `${DITTO_ID}-0`
+  }
+  return `${Number.isNaN(normalizedPokemonId) ? 0 : normalizedPokemonId}-${
+    Number.isNaN(normalizedFormId) ? 0 : normalizedFormId
+  }`
+}