Highest grade Spider wood / Cuckoo Root. Solid and durable yet delicate looking. Long lasting in underwater or arid environments. Ideal to use in Aquariums or Reptile terrariums. The unique color and texture adds beauty and depth to any display. Perfect decoration in climbing reptiles displays and garden landscape design. Each Spider wood has a Unique shapes that adds to the aesthetic value of the tank. 8. The wood is prewashed but it is recommended to soak it and wash it when using in aquariums.