Are long spined Black Sea urchins good to eat?

Long-spined black sea urchins are edible and considered a delicacy in some cultures, particularly in Mediterranean regions. Their roe, or gonads, is the most sought-after part and is often enjoyed raw or used in various dishes. However, care should be taken when consuming them, as they can accumulate toxins from their environment. Always ensure they are sourced from safe waters and prepared properly.