In this article we will learn about the structure of Hyalonema with the help of a diagram.
1. It is a marine and free living sponge found at considerable depths around New England coast and America.
2. Commonly called glass-rope sponge.
3. Body comprised of a ball-like apical part and a long rope-like stalk.
4 The body looks-like a Ball of shining glass wool-like fibres of silica and the stalk is a highly twisted structure.
5. The body is perforated with numerous ostia and an apical large osculum.
6. The canal system is of complicated type because spongocoel is usually absent.
7. At the base of body where it attaches with the stalk are present numerous symbiotic anemones- Epizoanthus.