Structure of Sea Lemons (Dori): With Diagram | Zoology

In this article we will discuss about the structure of Sea lemons (Doris) with the help of a diagram.  1. Commonly called "sea-slugs" or "sea lemons" and are sluggish marine molluscs. 2. Body some what ovoid in shape convex dorsally and flattened ventrally. 3. External or internal shell absent. 4. Mantle large and anus is situated on postero-dorsal side. 5. [...]