Rohu is a common freshwater fish that belongs to the carp family. It is a native species of India and is found all over South Asia. The usual harvestable size of rohu is 1-1.5kg and is achieved within 12-18 months. This type of fish feeds from the middle level of the water. It is an extremely popular carp species as it is highly consumed. As it is the preferred fish for consumption it has made its way to become the most important cultivated fish in India. The market price for Rohu varies between Rs.120 to Rs.160 per kg.
Mrigal also known as Bngari in Kannada, is another important native carp fish species found in India. Like the Rohu, Mrigal is also widely aquafarmed. This is due to its rapid growth rate. Mrigal can weigh upto 2kgs and grow upto 60 cm within two years. It mostly dwells at the bottom of the water. The Cauvery river is one of the few places the Mrigal can be found in the wild. The market price for this fish ranges between Rs.150- Rs.200 per kg.
Tilapia farminghttp://nfdb.gov.in/PDF/GUIDELINES/1.%20Guidelines%20for%20Responsible%20Farming%20of%20Tilapia%20in%20India.pdf
Common freshwater species http://www.walkthroughindia.com/offbeat/13-most-popular-freshwater-fishes-of-indian-rivers/
Database on freshwater fishes of Karnataka http://karenvis.nic.in/Content/DatabaseonFreshWaterFishesofKarnataka_9787.aspx
Fish from Bangalore and Kolar Districts, Karnataka http://faunaofindia.nic.in/PDFVolumes/records/103/01-02/0143-0155.pdf
Images of fish species http://www.walkthroughindia.com/offbeat/13-most-popular-freshwater-fishes-of-indian-rivers/