44. Hilsa Fish-1, Economic importance.pptx 24. Parental care in fishes.........pptx 27.Dusky spine foot, economic importance.pdf 32. Sliver Pomfret, economic importance.1.pdf 31.Medicinal uses of poisonous fishes..pdf 28. Salmo salar (Salmon), interesting facts and economic importance.pptx 25.Lung fish, evolutionary history and economic importance 
