close up textured pattern of squiggly brain coral

dinoflagellates environmental zooxanthellae catastrophic relationship merulinidae environment meandering convoluted acidifying patterned intricate squiggles bleaching symbiotic undefined mussidae chemical reaction bleached textured textural natural details sinuous organic curving complex dioxide coastal design curved oceans acidic change carbon caco3 coral algae algal worm like dead reef acid co2