Photo 96400411, (c) David Spencer Muirhead, some rights reserved (CC BY-NC), uploaded by David Spencer Muirhead

Attribution © David Spencer Muirhead some rights reserved Uploaded by davemmdave Source iNaturalist Australia Associated observations Photos / Sounds What Chelonaplysilla violacea Observer davemmdave Date September 15, 2020 12:42 PM ACST Place South Australia, Australia (Google, OSM) Date Added September 21, 2020 04:07 PM ACST Description Subject is the dark maroon sponge.Fairly common here along mangrove lined banks. 2 IDs Research Grade View Sizes small medium large original