泰国安达曼海珊瑚礁上的红海鞭珊瑚

whip coral (Ellisella ceratophyta), an azooxanthellate gorgonian, on an Andaman Sea coral reef, which feeds entirely by filter-feeding on microplankton and marine snow, making it acutely sensitive to water quality decline and sedimentation. Long-lived and slow-growing, it ranks among the reef's most vulnerable organisms. Red sea whip coral is Not Evaluated on the IUCN Red List, a significant conservation gap. Close-up shot from scuba diver point of view, copy space upper left. 4K, static. Ko Haa Islands, Andaman Sea, Krabi Province, Thailand.