The present work is an endeavour to study some aspects of hormonal regulation on nutritional energetics in a fresh water snake headed murrel fish, Channa punctatus (Bloch). Effect of L-thyroxine, triiodo-throxine, 17a or p -Methyl testosterone and growth hormones were studied on food consumption rate, feeding efficiency, conversion ratio, growth and as a whole on bioenergetics in a freshwater fish，Channa punctatus (Bloch). These hormones served as an apetite stimulant and consequently both feeding and growth rate increased. The best performance was observed after the injection of 17 a or p – Methyl testosterone. The reason for such changes has been discussed in this paper.