Fresheries not only gives nutribitional security to people, it also provides livelihood, to millions of people the extension communication 'media are the great part of any work/research 'study without which no body knows what is going on in this changing world. The hook deals with fish e r y extension, communication , communication process, training, training management project, project formulations. Project preparations shrimp, carp cum prawn farming, its feasibility sensitivity, entrepreneurship, ecosystem structure and some models. A comprehensu e knowledge to fishery extension, training and entrepreneurship has been given in this book to link farmers, students, trainers, extension workers, teachers and entrepreneurs to achieve the goal to maximum production and employment.