Spacious & Safe Passage for Small Aquatic Pets: Designed with a wide opening, this aquarium tunnel offers a comfortable and secure passage for small to medium-sized fish and shrimp. It ensures your pets can move freely without the risk of getting stuck, encouraging natural swimming and hiding behaviors. Multi-Angle Viewing for Enhanced Aquascaping: Featuring strategically placed viewing ports, this tunnel adds depth and dimension to your aquarium. It beautifully integrates with live plants, driftwood, and other decorations, creating a captivating and dynamic underwater landscape for both you and your aquatic pets to enjoy. Realistic Moai Cave Hideouts with Multiple Entrances: Mimicking natural fish caves, this tunnel provides multiple entrances that serve as secure hiding spots for sensitive species like betta fish, crystal shrimp, and small aquatic creatures. These hideouts reduce stress and provide essential protection, offering your pets a safe space. Reduces Aggression & Fosters Peaceful Coexistence: By creating separate territories within your aquarium, the tunnel minimizes territorial disputes between fish. This promotes peaceful interactions among tank inhabitants and encourages a harmonious environment, making it an ideal choice for community tanks. Easy to Use, Maintain & Substrate-Friendly: This durable plastic tunnel sinks immediately without the need for pre-soaking, offering convenience for hobbyists. It’s easy to clean and suitable for both freshwater and saltwater aquariums, making it a versatile and practical addition to any aquatic setup. Item Name: Aquarium Tunnel Material: Plastic Features: with Viewing Ports, Substrate-Friendly, Moai Statue Design Size Details: S, L: 14cm/5.51", W: 11cm/4.33", H: 9cm/3.54" (Approx.) M, L: 19cm/7.48", W: 15.5cm/6.1", H: 12.5cm/4.92" (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