Sphagnum Moss for Reptiles – Terrarium Reptiles Moss Green Dried Peat Moss Habitat Bedding Moss for Snakes Turtle Frog Gecko and Other Reptiles Substrate (5, Ounces). Moss can be used as a part of the substrate for snakes, turtle, frog and gecko, especially those that require higher humidity,it can provide insulation, providing a comfortable surface for reptiles to rest upon.