Giant barrel sponge (Xestospongia testudinaria). Photographed off Sangalaki Island, in the Sulawesi Sea, Indonesia.

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Size: 4288px × 2848px
Photo credit: © MATTHEW OLDFIELD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, aquatic, asia, barrel, biological, biology, derawan, fauna, fish, giant, indonesia, invertebrate, invertebrates, islands, kalimantan, life, marine, nature, ocean, porifera, poriferan, sangalaki, sea, south-east, southeast, sponge, sulawesi, testudinaria, tropical, underwater, water, wildlife, xestospongia, zoological, zoology