Robuta

https://www.reefguide.org/tubastraeamicranthus.html Black Sun Coral - Tubastraea micranthus - Stony Corals - - Tropical Reefs Florent's Guide To The Tropical Reefs - Black Sun Coral - Tubastraea micranthus - Stony Corals - - Stony Corals - Indo-West Pacific - black sun tubastraea micranthus coral tropical reefs https://www.marinespecies.org/aphia.php?p=taxdetails&id=291255 WoRMS - World Register of Marine Species - Tubastraea micranthus (Ehrenberg, 1834) marine species tubastraea micranthus worms world register