The inside of a sponge. Sponges are animals of the phylum Porifera ( /pɒˈrɪfərə/; meaning “pore bearer”).
They are multicellular organisms which have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.
Bali, Indonesia, Banda Sea
Canon EOS 5D, 2.8/100mm Macro Lens in Seacam Housing with Speedlite 580 EX in Sealux housing, 1/125s at f15, ISO 100
239 views, 31.05.2012