many; carp (most course fish) rainbow trout atlantic salmon taliapia sea bream sea bass pengasius (river cobbler) and many many more
A variety of fish, but Cod is very common. It has very high concentrations of beneficial oils in the liver.
There are basically 2 kinds of fish that are farmed. There are the ones for eating like Trout, catfish, Salmon, Barramundi, Bassa and Tillapia etc., and there are the keeping (hobby) ones like...
Ocean fish..There are not that many farm raised species.