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Captured for Looking close on ... Friday!`theme: smiley.
Background is another one of my paint pouring projects.
A household sponge is a cleaning product that absorbs liquids very well. The spaces between the fibers absorb water and prevent it from flowing back immediately. The water remains trapped inside the sponge until it is wrung out.
In the past, the dried remains of sponge animals were primarily used as sponges. Today, most household sponges are made of viscose. Vegetable sponges are also available. These so-called luffa sponges are made from dried cucurbits.
nl.wikipedia.org/wiki/Spons_(huishouden)
"Sponges grow in the ocean. That just kills me. I wonder how much deeper the ocean would be if that didn't happen."
Steven Wright
A macro photo of a blue bath sponge. There aren't actually two shades of blue here. The lighting is just brighter at the top.
Speaking of contrast... Pleurosicya labiata is found in the Indo-Pacific. It is common in its preferred habitat of barrel sponges and is found to depths of 35 meters. IUCN Red list
I don't know who collected this assortment of sponges but I was glad they left them strewn here on Sandspur Beach.