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Giant barrel sponge (Xestospongia testudinaria) studded with crinoids or featherstars and diver in the background in the Arches deep underwater
© Jürgen Freund, www.jurgenfreund.com 6048x4032 / 6.7MB
biodiversity, marine sponge, Papua New Guinea, reef structure, Marine, porifera, Underwater, Seascape, Coral Reef, Tropical, PNG, Diver, Feathers, dive site, pristine waters, Echinoderm, echinoderms, Reefs, Asia, Featherstars, Invertebrates, Pacific, South East Asia, Tourism Attraction, Featherstar, Reef, Indo Pacific, arch, Blue Planet, porous, South-east-asia, Diversity, Invertebrate, Coral Triangle, Seascapes, crinoids, cave