diff --git a/backend/src/main/java/com/petshop/backend/dto/service/ServiceRequest.java b/backend/src/main/java/com/petshop/backend/dto/service/ServiceRequest.java
index 6b4550ec..c84ac5f7 100644
--- a/backend/src/main/java/com/petshop/backend/dto/service/ServiceRequest.java
+++ b/backend/src/main/java/com/petshop/backend/dto/service/ServiceRequest.java
@@ -4,7 +4,9 @@ import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Positive;
 import java.math.BigDecimal;
+import java.util.HashSet;
 import java.util.Objects;
+import java.util.Set;
 
 public class ServiceRequest {
     @NotBlank(message = "Service name is required")
@@ -19,6 +21,8 @@ public class ServiceRequest {
     @Positive(message = "Duration must be positive")
     private Integer serviceDuration;
 
+    private Set<String> species = new HashSet<>();
+
     public String getServiceName() {
         return serviceName;
     }
@@ -51,6 +55,14 @@ public class ServiceRequest {
         this.serviceDuration = serviceDuration;
     }
 
+    public Set<String> getSpecies() {
+        return species;
+    }
+
+    public void setSpecies(Set<String> species) {
+        this.species = species;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
@@ -59,12 +71,13 @@ public class ServiceRequest {
         return Objects.equals(serviceName, that.serviceName) &&
                 Objects.equals(serviceDesc, that.serviceDesc) &&
                 Objects.equals(servicePrice, that.servicePrice) &&
-                Objects.equals(serviceDuration, that.serviceDuration);
+                Objects.equals(serviceDuration, that.serviceDuration) &&
+                Objects.equals(species, that.species);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(serviceName, serviceDesc, servicePrice, serviceDuration);
+        return Objects.hash(serviceName, serviceDesc, servicePrice, serviceDuration, species);
     }
 
     @Override
@@ -74,6 +87,7 @@ public class ServiceRequest {
                 ", serviceDesc='" + serviceDesc + '\'' +
                 ", servicePrice=" + servicePrice +
                 ", serviceDuration=" + serviceDuration +
+                ", species=" + species +
                 '}';
     }
 }
diff --git a/backend/src/main/java/com/petshop/backend/dto/service/ServiceResponse.java b/backend/src/main/java/com/petshop/backend/dto/service/ServiceResponse.java
index 53a2be5b..4f0300ab 100644
--- a/backend/src/main/java/com/petshop/backend/dto/service/ServiceResponse.java
+++ b/backend/src/main/java/com/petshop/backend/dto/service/ServiceResponse.java
@@ -3,6 +3,7 @@ package com.petshop.backend.dto.service;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.util.Objects;
+import java.util.Set;
 
 public class ServiceResponse {
     private Long serviceId;
@@ -10,18 +11,20 @@ public class ServiceResponse {
     private String serviceDesc;
     private BigDecimal servicePrice;
     private Integer serviceDuration;
+    private Set<String> species;
     private LocalDateTime createdAt;
     private LocalDateTime updatedAt;
 
     public ServiceResponse() {
     }
 
-    public ServiceResponse(Long serviceId, String serviceName, String serviceDesc, BigDecimal servicePrice, Integer serviceDuration, LocalDateTime createdAt, LocalDateTime updatedAt) {
+    public ServiceResponse(Long serviceId, String serviceName, String serviceDesc, BigDecimal servicePrice, Integer serviceDuration, Set<String> species, LocalDateTime createdAt, LocalDateTime updatedAt) {
         this.serviceId = serviceId;
         this.serviceName = serviceName;
         this.serviceDesc = serviceDesc;
         this.servicePrice = servicePrice;
         this.serviceDuration = serviceDuration;
+        this.species = species;
         this.createdAt = createdAt;
         this.updatedAt = updatedAt;
     }
@@ -66,6 +69,14 @@ public class ServiceResponse {
         this.serviceDuration = serviceDuration;
     }
 
+    public Set<String> getSpecies() {
+        return species;
+    }
+
+    public void setSpecies(Set<String> species) {
+        this.species = species;
+    }
+
     public LocalDateTime getCreatedAt() {
         return createdAt;
     }
@@ -87,12 +98,12 @@ public class ServiceResponse {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         ServiceResponse that = (ServiceResponse) o;
-        return Objects.equals(serviceId, that.serviceId) && Objects.equals(serviceName, that.serviceName) && Objects.equals(serviceDesc, that.serviceDesc) && Objects.equals(servicePrice, that.servicePrice) && Objects.equals(serviceDuration, that.serviceDuration) && Objects.equals(createdAt, that.createdAt) && Objects.equals(updatedAt, that.updatedAt);
+        return Objects.equals(serviceId, that.serviceId) && Objects.equals(serviceName, that.serviceName) && Objects.equals(serviceDesc, that.serviceDesc) && Objects.equals(servicePrice, that.servicePrice) && Objects.equals(serviceDuration, that.serviceDuration) && Objects.equals(species, that.species) && Objects.equals(createdAt, that.createdAt) && Objects.equals(updatedAt, that.updatedAt);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(serviceId, serviceName, serviceDesc, servicePrice, serviceDuration, createdAt, updatedAt);
+        return Objects.hash(serviceId, serviceName, serviceDesc, servicePrice, serviceDuration, species, createdAt, updatedAt);
     }
 
     @Override
@@ -103,6 +114,7 @@ public class ServiceResponse {
                 ", serviceDesc='" + serviceDesc + '\'' +
                 ", servicePrice=" + servicePrice +
                 ", serviceDuration=" + serviceDuration +
+                ", species=" + species +
                 ", createdAt=" + createdAt +
                 ", updatedAt=" + updatedAt +
                 '}';
diff --git a/backend/src/main/java/com/petshop/backend/entity/Service.java b/backend/src/main/java/com/petshop/backend/entity/Service.java
index a73387c8..77223922 100644
--- a/backend/src/main/java/com/petshop/backend/entity/Service.java
+++ b/backend/src/main/java/com/petshop/backend/entity/Service.java
@@ -6,7 +6,9 @@ import org.hibernate.annotations.UpdateTimestamp;
 
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
+import java.util.HashSet;
 import java.util.Objects;
+import java.util.Set;
 
 @Entity
 @Table(name = "service")
@@ -28,6 +30,11 @@ public class Service {
     @Column(nullable = false)
     private Integer serviceDuration;
 
+    @ElementCollection
+    @CollectionTable(name = "service_species", joinColumns = @JoinColumn(name = "serviceId"))
+    @Column(name = "species", length = 50)
+    private Set<String> species = new HashSet<>();
+
     @CreationTimestamp
     @Column(name = "created_at", updatable = false)
     private LocalDateTime createdAt;
@@ -89,6 +96,14 @@ public class Service {
         this.serviceDuration = serviceDuration;
     }
 
+    public Set<String> getSpecies() {
+        return species;
+    }
+
+    public void setSpecies(Set<String> species) {
+        this.species = species;
+    }
+
     public LocalDateTime getCreatedAt() {
         return createdAt;
     }
diff --git a/backend/src/main/java/com/petshop/backend/service/ServiceService.java b/backend/src/main/java/com/petshop/backend/service/ServiceService.java
index 5243f101..e2395392 100644
--- a/backend/src/main/java/com/petshop/backend/service/ServiceService.java
+++ b/backend/src/main/java/com/petshop/backend/service/ServiceService.java
@@ -42,6 +42,9 @@ public class ServiceService {
         service.setServiceDesc(request.getServiceDesc());
         service.setServicePrice(request.getServicePrice());
         service.setServiceDuration(request.getServiceDuration());
+        if (request.getSpecies() != null) {
+            service.setSpecies(request.getSpecies());
+        }
 
         service = serviceRepository.save(service);
         return mapToResponse(service);
@@ -56,6 +59,9 @@ public class ServiceService {
         service.setServiceDesc(request.getServiceDesc());
         service.setServicePrice(request.getServicePrice());
         service.setServiceDuration(request.getServiceDuration());
+        if (request.getSpecies() != null) {
+            service.setSpecies(request.getSpecies());
+        }
 
         service = serviceRepository.save(service);
         return mapToResponse(service);
@@ -81,6 +87,7 @@ public class ServiceService {
             service.getServiceDesc(),
             service.getServicePrice(),
             service.getServiceDuration(),
+            service.getSpecies(),
             service.getCreatedAt(),
             service.getUpdatedAt()
         );