Robuta

https://www.petersalebooks.com/dendrogyra-cylindrus-0571_c1_03-paul-humann/ Dendrogyra cylindrus 0571_C1_03 Paul Humann – Books, Blogs & Brainstorms Jul 4, 2016 - Dendrogyra cylindrus. Caribbean. Tentacles normally remain extended during the day giving colonies a hairy appearance. Photograph: Paul Humann. dendrogyra cylindruspaulhumannbooksblogs