This document discusses the prawn fishery in India, including different types and species of prawns. It outlines that prawn fishery is one of India's most important crustacean fisheries. There are four main types of prawn fishery: shallow water, saline lake, fresh water, and marine water. It then describes the five main genera of prawns found in India - Penaeus, Metapenaeus, Parapenaeopsis, Palaemon, and Macrobrachium - and provides details on some common species within each genera, including their locations, sizes, and other characteristics.