Cloud sponge - AbsoluteAstronomy.com

Cloud sponge is a primitive organism of the order Hexactinosa in the class Hexactinellida. It is a deep-water reef-forming

Sponge reef

Sponge reefs serve an important ecological function as habitat, breeding and nursery areas for fish and invertebrates. The reefs are currently threatened by the fishery, offshore oil and gas industries[3,4]...

animal. The species was first described by F.E. Schulze in 1886.

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