Designed for the specific demands of anglers targeting the largest tropical species RIO’s leviathan lines have been specifically designed for the largest of tropical species. Each line features a powerful front taper to cast the biggest of flies, and a short, heavy head to load blue water rods.

• Short, heavy head that easily load powerful saltwater fly rods

• Ultra strong cores in excess of 50 lbs

• Aggressive front tapers that easily cast the largest of flies