In this article we will discuss about the structure of Euspongia or Spongia with the help of a diagram. 1. It is a marine sponge of commercial value and is found in Mediterranean Sea, West Indies and along American coasts. 2. It is commonly found in shallow water attached to substratum. 3. Skeleton is made up of spongin fibres. The [...]
In this article we will discuss about the structure of Sycon with the help of a diagram. 1. It is a marine, colonial and hermaphrodite sponge which is found attached to rocks near sea shore in shallow waters. 2. Each sponge is a vase-like cylinder perforated with numerous ostia all over and a large osculum at the apex. 3. Osculum [...]
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 [...]