Polymastia sponge
Polymastia sponge (Polymastia arctica). Sponges are simple multicellular animals, most species of which are marine. The internal skeleton (endoskeleton) of a sponge is formed from structures called spicules. Photographed in the Russian Arctic, in the White Sea.
Size: 7241px × 4827px
Location:
Photo credit: © ALEXANDER SEMENOV/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -, animal, arctic, arctica, biological, biology, cold, demosponge, fauna, invertebrate, marine, nature, ocean, polymastia, porifera, poriferan, russia, sea, single, sponge, underwater, water, white, wildlife, zoological, zoology