Gallery quality underwater photographic print by Paul Waldeck, available framed or unframed in several sizes.
One of the largest and most easily recognized sponges found in the Pacific, the Giant Barrel Sponge can grow to over 6 feet in height. It's distinctive brown or purple color and deeply ridged surface provide a home for many small organisms. The inside of the Barrel Sponge is smooth and also provides shelter for many small crustaceans.Sponges are extremely efficient filter feeders, primarily feeding on bacteria and other organic debris in the water column. A typical sponge will pump water through its cells, equal to 4-5 times its own volume every minute.
This Barrel Sponge has a large Mushroom Leather soft coral (Sarcophyton sp.) as its neighbor).
Photographed in Papua New Guinea