1. School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India,
2. Peninsular and Marine Fish Genetic Resources Centre, NBFGR, CMFRI Campus, Cochin, Kerala, India,
3. Regional Agricultural Research Station (RARS), Kerala Agricultural University, Kumarakom, Kottayam, Kerala, India, and
4. Central Marine Fisheries Research Institute, Cochin, Kerala, India