Designed for the specific demands of anglers targeting the largest tropical species.

RIO’s Leviathan series of 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. The majority of lines are built on a tough, ultra strong core in excess of 70 lbs that will easily battle large fish, and resist being cut on coral and rock structures. A hard, tropical coating prevents the line from wilting in the heat.

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Ultra strong cores for the largest tropical species

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Short, heavy head to load powerful blue water rods

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Short, aggressive front taper to cast large flies with ease

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Tropical core with a hard, saltwater coating