What is the simile for prickly cactus?

A simile for a prickly cactus could be "as sharp as a cactus spine." This comparison emphasizes the sharpness and potential danger of the cactus's needles, evoking a vivid image of its prickly nature. Another example might be "like a cactus in a desert, tough and resilient." This highlights both the cactus's physical characteristics and its ability to thrive in harsh conditions.