CHALINA-PORIFERA

Chalina is a deep-water form and orange,yellowish brown or red in colour.The sponge is popularly known as the mermaid,s gloves" or "dead-man,s finger,s perforated with oscula. The skeleton consists of spongin with siliceous spicules embedded in it.When it is broken from its stalk and washed ashore it does not occur in shallow waters.