Age-of-Magic presents the Small Enchanted Castle Aquarium Decoration by Penn-Plax. Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features a small castle perched upon a rocky hill with a cone-shaped roof towers archways and stone details that give a realistic feel from times of old. This piece makes for a great centerpiece or accent and is perfect for anything magically themed. Most extra small fish and shrimp can swim through and around it which greatly reduces stress and boredom.