Aged Cholla Cactus Skeletons that are thoroughly natural & cleaned, ready for your tank designing pleasures It is called desert driftwood and is native to Mexico and the Southwest. Makes great bird perches too. . Because these are natural products, size, appearance, and color may vary slightly. This untreated branch is 6-8"long and 2-3" in diameter Aged Cholla is hollow and filled of unique holes.