Found along the banks of the yangtze river, this vine is paper Smooth with intricate branching and fascinating beauty. It will turn a fantastic mahogany color when in an aquarium. Perfect for both aquariums and terrariums or any other display. This wood is extremely low in any tannin and is 100% safe for all fish and animals. As Spiderwood is very light it will take from 7-10 days to become water-logged and sink.