A Sea Urchin is a small, spiny marine animal related to starfish and sea cucumbers. Found on ocean floors around the world, sea urchins live in coral reefs, rocky shores, kelp forests, and deep-sea habitats.
Their bodies are covered with sharp movable spines that help protect them from predators and aid in movement. Beneath their spines, sea urchins use hundreds of tiny tube feet to crawl across the seabed and search for food.
Sea urchins mainly feed on algae and plant material, playing an important role in maintaining the balance of marine ecosystems. Some species are brightly colored, making them among the most fascinating creatures of the underwater world. 🌊🟣✨
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