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. 2012 Sep 18;7(9):e45124. doi: 10.1371/journal.pone.0045124

Figure 1. The zooxanthellate sponge Cliona orientalis at Orpheus Island, Great Barrier Reef, Australia.

Figure 1

(A) Location of Orpheus Island (Palm Island Group) on the central GBR. (B) Medium-sized colony infesting the massive coral Porites sp. at the reef crest in Little Pioneer Bay, Orpheus Island. (C) Detail illustrating the oscula (exhalant pores; inhalant pores are microscopically small) and the Porites skeletal structure visible beneath the sponge tissue. (D) One of the eight replicate sets per treatment tank with 4 healed sponge-bearing coral cores.