Photo 65069519, (c) Jim Greenfield, some rights reserved (CC BY-NC), uploaded by Jim Greenfield

Attribution © Jim Greenfield some rights reserved Uploaded by jimgreenfield Source iNaturalist Associated observations Photos / Sounds What Long-tentacle Plate Coral (Heliofungia actiniformis) Observer jimgreenfield Date May 2014 Place Sulawesi Utara, ID (Google, OSM) Date Added March 30, 2020 03:18 PM BST Description Night dive, depth less than 5m. Black volcanic sand mixed with stones and junk. Tags Black Sand Retreat, IndoPacific, Indonesia, Lembeh Straits, Sulawesi 3 IDs Research Grade View Sizes small medium large original