This paper attempts to analyze the marketing system, cost and margins and price behaviour of cultured fish in Mymensingh district. Through purposive sampling technique data were collected from 50 Pondfish farmers, 20 Aratder, 20 .Paiker and 18 Retailer under Trisha! and Phulpur upazilps of Mymensingh district. Price data were collected from secondary source of weekly statistical bulletin of Department of Agriculture Marketing. The study demonstrated that most of the pondfish farmers and intermediaries were illiterate or had little education. Per acre variable cost, gross return and gross margin of the selected pondfish farmers were Tk. 86842.66, Tk.147e08.99 and Tk. 60766.33 respectively. The total marketing cost of Aratder, Paiker and Retailer were Tk. 96.96, Tk. 242.8 and Tk. 75.39 per quintal of fish respectively, while species wise average net margin were Tk. 321.81, Tk. 441.28 and Tk. 598.44 per quintal respectively and Retailer earned the highest margin for common fishes, particularly for Rui, Katla, Kalbaus and Tilapia fishes. The seasonal price variation was not so high and it ranged from maximum 10 to 15 taka. The pondfish farmers and different intermediaries identified some problems and constraints and they also suggested possible steps and measures to make the fish production and business more profitable and sustainable.
