Marble Cave 6 - 20 x 15 x 20 cmPerfect as a shelter and spawning site for dwarf cichlids, catfish and shrimp. Allows shy species to retreat and hide. Can be lined with live plants and mosses for a more natural look. The natural look of the Marble Caves makes them a great addition to any aquarium décor. These small caves can also be used as hiding places in a terrarium.