In this article we will discuss about the structure of Sacculina with the help of a diagram. 1. This is a specimen of sacculina—"the sucking root barnacle" an ectoparasite on crab. 2. It is in the form of a flat, fleshy and sac-like structure having only the gonad. It is found attached to the ventral surface of crabs between thorax [...]
In this article we will discuss about the structure of Hermit Crab (Eupagurus) with the help of a diagram.1. It is commonly known as "hermit crab" and is found living in snail's shells along sea shores. 2. Body is elongated, asymmetrical and is comprised of cephalothorax and abdomen. 3. Cephalothorax is conical and is covered by a hard carapace. 4. [...]
In this article we will discuss about the structure of Sea Slug with the help of a diagram. 1. Commonly called “sea slug” or "sea hare" and is an herbivore mollusc. 2. Body brightly coloured, soft and flashy and tapers behind into a tail. 3. Head bears a pair of small sensory and ear-like oral tentacles, retractile rhinophores and a [...]