Check the listing for details. Aquarium Corner Hole Cave Underground Viewing Hide Fish Tank Decor Hide. Condition: New. Listed at 12.99 USD. ***Shop Announcement - Orders over $50 get free shipping! Checkout our other aquarium items!*** Introducing the Viewing Corner Hole Cave! This piece gives bottom dwellers a fun place to explore as they find themselves underground. They will also find this new area in their aquarium to be a cozy new place to hide. While being a great place to hide it also provides an incredible viewing experience for the fish tank owner. Being able to view bottom dwellers in an entire new way in their natural environment. The Viewing Corner Hole Cave is made with aquarium safe plastic. It will also sink to the bottom of the aquarium so no need to try and bury it in the sand if not wanted. The Viewing Corner Aquarium Cave is perfect fish tank decoration for many different bottom feeders;Cory Catfish (Corydora Catfish), Kuhli Loach, Dojo Loach, Clown Loach, Pleco (Plecostomus), Bristle Nose Pleco, Goby, Rainbow Shark, Chinese Algae Eater, Siamese Algae Eater, Shrimp, Mystery Snails, Otocinclus and so much more! Size Chart: *Size in pictures is Small* Mini: 2”H 3”W 3”L Small: 2.5”H 4”W 4”L Medium: 3”H 5”W 5”L Large: 3”H 6”W 6”L