New aquarium shrimp tunnel! Add extra space to view your shrimp! 🦐 This acts as a perfect hide to protect shrimp from fish! I have it in my shrimp betta fish tank 🐠 Most shrimp will naturally crawl into the cave - You can also place food inside the tunnel to attract them You can bury this cave to help it blend in! 📏 Our small size is 4.1" long 1.15" tall and 1" deep. Our Large is 5.5" long 1.15" tall and 1" deep.