M. Manirujjaman^{1, 2}, M.M.H. Khan¹, Meftah Uddin¹, Minarul Islam¹, Matiar Rahman¹, M. Khatun¹, Shahangir Biswas¹, M. A. Islam^1,

Fishes are rich sources of different types on nutrients. Various types of fishes are available here, so Bangladeshies are called bangali of rice and fishes. Some species are only found in brine water; on the other hand some varieties are available in soft water. The soft water fishes are found almost everywhere in . Some soft water fishes are either found in natural sources such as ponds, rivers, lakes etc. or they may be farmed. Both wild and farmed fishes are rich sources of protein and also contain significant amount of moisture. The moisture content in wild Catla catla fish is higher than other species. The farmed species contain higher amount of ash than wild species. Protein content in farmed species is also higher than wild species. Calcium content in Catla catla wild species is significantly different from other species. Cirrhinus cirrhosus farmed species show higher potassium content than other species. All of the species are rich sources of iron. Iodine number is also higher in Catla catla wild species. The nutrients content are higher in farmed species than the wild species.

ash, moisture, farmed fish, Reducing sugar, iodine value