diff --git a/api/apps/api/src/modules/scenarios-features/scenario-features-gap-data.service.ts b/api/apps/api/src/modules/scenarios-features/scenario-features-gap-data.service.ts
index 2cee30a418..2d38f772d0 100644
--- a/api/apps/api/src/modules/scenarios-features/scenario-features-gap-data.service.ts
+++ b/api/apps/api/src/modules/scenarios-features/scenario-features-gap-data.service.ts
@@ -1,4 +1,4 @@
-import { In, Repository, SelectQueryBuilder } from 'typeorm';
+import { Brackets, In, Repository, SelectQueryBuilder } from 'typeorm';
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { FiltersSpecification } from 'nestjs-base-service';
@@ -45,6 +45,48 @@ export class ScenarioFeaturesGapDataService extends AppBaseService<
     return query;
   }
 
+  async extendFindAllQuery(
+    query: SelectQueryBuilder<ScenarioFeaturesGapData>,
+    filters?: FiltersSpecification,
+    info?: UserSearchCriteria,
+  ): Promise<SelectQueryBuilder<ScenarioFeaturesGapData>> {
+    // DEBT same issue as
+    // `api/apps/api/src/modules/geo-features/geo-features.service.ts`
+    // https://github.com/Vizzuality/marxan-cloud/pull/572/files#diff-2b4e531cc05bd4686fb0fc6e5cbf9fd3e2684e40a818179750dc8095bc93d49dR138-R149
+
+    if (!info?.params?.searchPhrase) {
+      return query;
+    }
+
+    const featuresIds = (
+      await this.features
+        .createQueryBuilder('features')
+        .select('features.id')
+        .where(
+          new Brackets((orBuilder) =>
+            orBuilder
+              .where('feature_class_name like :phrase', {
+                phrase: `%${info?.params?.searchPhrase}%`,
+              })
+              .orWhere('alias like :phrase', {
+                phrase: `%${info?.params?.searchPhrase}%`,
+              }),
+          ),
+        )
+        .getMany()
+    ).map((feature) => feature.id);
+
+    if (featuresIds.length > 0) {
+      query.andWhere(`feature_id IN (:...featuresIds)`, {
+        featuresIds,
+      });
+    } else {
+      query.andWhere(`false`);
+    }
+
+    return query;
+  }
+
   async extendFindAllResults(
     entitiesAndCount: [any[], number],
   ): Promise<[any[], number]> {
diff --git a/api/apps/api/src/modules/scenarios-features/scenario-features-output-gap-data.service.ts b/api/apps/api/src/modules/scenarios-features/scenario-features-output-gap-data.service.ts
index 1c75daaa9c..2d00b3ca3d 100644
--- a/api/apps/api/src/modules/scenarios-features/scenario-features-output-gap-data.service.ts
+++ b/api/apps/api/src/modules/scenarios-features/scenario-features-output-gap-data.service.ts
@@ -1,4 +1,4 @@
-import { In, Repository, SelectQueryBuilder } from 'typeorm';
+import { Brackets, In, Repository, SelectQueryBuilder } from 'typeorm';
 import { BadRequestException, Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import {
@@ -6,12 +6,16 @@ import {
   JSONAPISerializerConfig,
 } from '../../utils/app-base.service';
 
-import { ScenarioFeaturesOutputGapData } from '@marxan/features';
+import {
+  ScenarioFeaturesGapData,
+  ScenarioFeaturesOutputGapData,
+} from '@marxan/features';
 import { UserSearchCriteria } from './search-criteria';
 import { AppConfig } from '../../utils/config.utils';
 import { DbConnections } from '@marxan-api/ormconfig.connections';
 import { GeoFeature } from '../geo-features/geo-feature.api.entity';
 import { isInt, isPositive } from 'class-validator';
+import { FiltersSpecification } from 'nestjs-base-service';
 
 const scenarioFeaturesOutputGapDataFilterKeyNames = ['runId'] as const;
 type ScenarioFeaturesOutputGapDataFilterKeys = keyof Pick<
@@ -69,6 +73,48 @@ export class ScenarioFeaturesOutputGapDataService extends AppBaseService<
     return query;
   }
 
+  async extendFindAllQuery(
+    query: SelectQueryBuilder<ScenarioFeaturesOutputGapData>,
+    filters?: FiltersSpecification,
+    info?: UserSearchCriteria,
+  ): Promise<SelectQueryBuilder<ScenarioFeaturesOutputGapData>> {
+    // DEBT same issue as
+    // `api/apps/api/src/modules/geo-features/geo-features.service.ts`
+    // https://github.com/Vizzuality/marxan-cloud/pull/572/files#diff-2b4e531cc05bd4686fb0fc6e5cbf9fd3e2684e40a818179750dc8095bc93d49dR138-R149
+
+    if (!info?.params?.searchPhrase) {
+      return query;
+    }
+
+    const featuresIds = (
+      await this.features
+        .createQueryBuilder('features')
+        .select('features.id')
+        .where(
+          new Brackets((orBuilder) =>
+            orBuilder
+              .where('feature_class_name like :phrase', {
+                phrase: `%${info?.params?.searchPhrase}%`,
+              })
+              .orWhere('alias like :phrase', {
+                phrase: `%${info?.params?.searchPhrase}%`,
+              }),
+          ),
+        )
+        .getMany()
+    ).map((feature) => feature.id);
+
+    if (featuresIds.length > 0) {
+      query.andWhere(`feature_id IN (:...featuresIds)`, {
+        featuresIds,
+      });
+    } else {
+      query.andWhere(`false`);
+    }
+
+    return query;
+  }
+
   async extendFindAllResults(
     entitiesAndCount: [any[], number],
   ): Promise<[any[], number]> {
diff --git a/api/apps/api/src/modules/scenarios-features/search-criteria.ts b/api/apps/api/src/modules/scenarios-features/search-criteria.ts
index a16c5a0dbb..341055cbdf 100644
--- a/api/apps/api/src/modules/scenarios-features/search-criteria.ts
+++ b/api/apps/api/src/modules/scenarios-features/search-criteria.ts
@@ -4,6 +4,7 @@ import { User } from '../users/user.api.entity';
 export interface SearchCriteria<T> extends InfoDTO<T> {
   params?: {
     scenarioId?: string;
+    searchPhrase?: string;
   };
 }
 
diff --git a/api/apps/api/src/modules/scenarios/scenarios.controller.ts b/api/apps/api/src/modules/scenarios/scenarios.controller.ts
index 6cbe90d26c..5f41956e4b 100644
--- a/api/apps/api/src/modules/scenarios/scenarios.controller.ts
+++ b/api/apps/api/src/modules/scenarios/scenarios.controller.ts
@@ -387,12 +387,14 @@ export class ScenariosController {
   async getScenarioFeaturesGapData(
     @Param('id', ParseUUIDPipe) id: string,
     @ProcessFetchSpecification() fetchSpecification: FetchSpecification,
+    @Query('q') featureClassAndAliasFilter?: string,
   ): Promise<Partial<ScenarioFeaturesGapData>[]> {
     const result = await this.scenarioFeaturesGapDataService.findAllPaginated(
       fetchSpecification,
       {
         params: {
           scenarioId: id,
+          searchPhrase: featureClassAndAliasFilter,
         },
       },
     );
@@ -591,12 +593,14 @@ export class ScenariosController {
   async getScenarioFeaturesOutputGapData(
     @Param('id', ParseUUIDPipe) id: string,
     @ProcessFetchSpecification() fetchSpecification: FetchSpecification,
+    @Query('q') featureClassAndAliasFilter?: string,
   ): Promise<Partial<ScenarioFeaturesOutputGapData>[]> {
     const result = await this.scenarioFeaturesOutputGapDataService.findAllPaginated(
       fetchSpecification,
       {
         params: {
           scenarioId: id,
+          searchPhrase: featureClassAndAliasFilter,
         },
       },
     );