diff --git a/Fish.java b/Fish.java
new file mode 100644
index 0000000..4c536b8
--- /dev/null
+++ b/Fish.java
@@ -0,0 +1,26 @@
+public class Fish extends Animal {
+    private double swimSpeed; // Special attribute: swimming speed
+    
+    public Fish(String name, int age, double swimSpeed) {
+        super(name, age);
+        this.swimSpeed = swimSpeed;
+    }
+    
+    public double getSwimSpeed() {
+        return swimSpeed;
+    }
+    
+    public void setSwimSpeed(double swimSpeed) {
+        this.swimSpeed = swimSpeed;
+    }
+    
+    @Override
+    public void makeSound() {
+        System.out.println(getName() + " makes bubble sounds: Blub! Blub!");
+    }
+    
+    // Special method: swimming
+    public void swim() {
+        System.out.println(getName() + " is swimming at " + swimSpeed + " km/h.");
+    }
+}
\ No newline at end of file