agroup of sea urchins underwater ( purple sea urchin paracentrotus lividus)

coral invertebrate reef animal organism underwater fish flower plant jellyfish aquarium agroup sea urchins purple urchin paracentrotus lividus mesmerizing group vibrant spines creating stunning spectacle intricate patterns form living tapestry ocean play light shadow accentuates details revealing beauty natural habitat photographed elena kalis nikon d850 macro lens lighting mix ambient sunlight magical ethereal scene prompt: surreal congregation clustered together underwater delicate symphony color environment soft diffused allowing dreamlike quality dance gentle currents shapes casting enchanting shadows