Biology And Fisheries

1.1   Background of the study    Aquaculture has emerged as one of the most promising and fast-growing food- producing sector, which provides high-quality animal protein, raises nutritional levels, and generates income and employment around the globe (FAO, 2010).According to recent data, world aquaculture production of food fish reached 62.7 million tonnes in 2011, up by 6.2% from 59 million tonnes in 2010. The estimated value of farmed fish food is US$ 130 billion. Aquaculture contributed 40.1% to the world total fish production (FAO, 2013). Importance of aquaculture is i…