Common Name: Purple Sea Urchin
Production and Harvesting Period: The purple sea urchin is primarily produced along the coasts of Zhejiang, Fujian, and Guangdong in China. These regions are known for their rich marine biodiversity and ideal conditions for sea urchin farming and harvesting.
Introduction: The purple sea urchin is a distinctive species characterized by its thick, low shell that takes on a hemispherical shape with a flat mouth. Its shell typically measures between 6 to 7 cm in diameter and stands about 2.2 to 3 cm in height. The large spines are strong and sharp at the tips, with lengths roughly equivalent to the shell's diameter. This species features 7 to 9 pairs of tube feet, arranged in an arc-like pattern across the body.
Inside each tube foot, there is a unique bony structure. These structures are tapered at both ends and often feature well-developed protrusions along the central back. The overall coloration of the sea urchin is deep purple, with some variations in shade. The oral spines may display striped patterns, adding to its visual appeal.
The test (shell) of the purple sea urchin is usually dark green, while the top parts of the spines—known as the "Dagu" and "Lieutenants"—tend to have a slight lavender hue. This combination of colors makes it easily distinguishable from other sea urchin species. Due to its vibrant appearance and high-quality roe, the purple sea urchin is highly valued in both local and international markets.
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