close up textured pattern of squiggly brain coral

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