This document provides an introduction to fisheries and aquaculture. It discusses capture fisheries, which involves catching fish from natural water bodies for various purposes. Aquaculture involves rearing aquatic animals and plants in controlled water environments. Common types of aquaculture systems and species cultured are described. The purposes of aquaculture include as a food source and for ornamental and employment purposes. Important factors for establishing aquaculture are species selection, site selection, and water quality management.