This document discusses the planning and construction of fish farms. It covers fish farm planning considerations like available land, water, target production, and capital. It also describes two main types of fish farming systems - extensive (earthen pond) and intensive. For extensive systems, the document outlines pond design factors and considerations for pond shape, slope, and depth. It also lists the major buildings and equipment needed for a fish farm, including aeration equipment, nets, boats, pumps, and trucks. Proper planning and equipment selection are emphasized as essential for successful aquaculture.