Deco-Replicas presents the Small Sunken Battleship Aquarium Decoration by Penn-Plax. Add some ominous charm and wonder to your fish tank with the Sunken Battleship! This fully detailed aquarium decoration makes for a great centerpiece or accent and is perfect for anything nautical themed! Most extra small fish can swim through and around it which greatly reduces stress and boredom. Shop Penn-Plax for All Your Pet?s Needs: Penn-Plax is a manufacturer and distributor of top quality pet supplies who specialize in creating excellent pet products for animals both great and small.