Universal Fit for Small Aquatic Pets: With wide tunnel openings, this aquarium tunnel accommodates small to medium-sized fish and shrimp comfortably. Its spacious design prevents pets from getting trapped, promoting natural swimming behavior and reducing stress, creating a healthier tank environment. Enhances Your Aquascape: Featuring textured surfaces and multi-angle viewing holes, this tunnel adds depth and visual interest to your aquarium setup. It seamlessly blends with live plants, driftwood, and other decorative elements, creating a dynamic, attractive underwater landscape for both your fish and viewers. Realistic Fish Cave Hideout: Designed to mimic natural fish caves, this hideout provides multiple entrances for easy access and secure shelter. Ideal for sensitive species like bettas, shrimp, and octopuses, it offers protection from predators and stressors, promoting well-being and reducing anxiety. Helps Reduce Aggression Among Fish: The tunnel creates independent territories in your tank, which minimizes territorial disputes and aggressive behavior. This encourages peaceful coexistence among your fish, fostering a harmonious aquatic community, especially in tanks with territorial species. Durable & Easy to Use: Made from durable PLA material, this tunnel sinks immediately without pre-soaking and is easy to clean. Suitable for both freshwater and saltwater aquariums, it’s a hassle-free addition to your tank, offering lasting functionality while keeping your aquatic pets safe and comfortable. Item Name: Aquarium Tunnel Material: PLA Features: Easy Setup, Substrate-Friendly, Egyptian Pharaoh Design Size Details: S, L: 14cm/5.51", W: 6.5cm/2.56", H: 5.5cm/2.17" (Approx.) M, L: 17.5cm/6.89", W: 8.5cm/3.35", H: 6.5cm/2.56" (Approx.) L, L: 22cm/8.66", W: 10.5cm/4.13", H: 8.5cm/3.35" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Aquarium Tunnel