Rio Elite Leviathan Fly Line
DESIGNED FOR THE SPECIFIC DEMANDS of anglers targeting the largest tropical species with low-stretch, ultra-slick performance
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, a short, heavy head to load bluewater rods, and a hard, tropical coating to prevent the line from wilting in the heat. The line has a 26ft, fast-sinking head seamlessly integrated into an intermediate running line. In addition, a tough, ultra-strong core ensures the line will easily battle large fish and resist being cut on coral and rock structures.
- Short, heavy head to load powerful saltwater rods
- Short, aggressive front taper to cast large flies
- Hard tropical coating to resist heat and UV degradation
- 26ft fast-sinking head integrated with intermediate running line
- Ultra-strong core resistant to cuts from coral and rock
| Specification | Detail |
|---|---|
| Line Type | Fly Line |
| Coating | Tropical Hard Coating |
| Head Length | 26ft Fast-Sinking Head |
| Core Strength | Ultra-Strong Core |
| Performance | Low-Stretch, Ultra-Slick |
FAQ
What makes the Leviathan fly line suitable for large tropical fish?
The line features a powerful front taper for casting large flies, a short heavy head to load saltwater rods, and an ultra-strong core that resists cuts from coral and rock. The tropical coating also helps maintain performance in high heat.
Is the line resistant to environmental factors like heat and UV exposure?
Yes, the hard tropical coating is designed to prevent the line from wilting in high temperatures and offers protection against UV degradation.
Can this line be used with bluewater rods?
Yes, the short, heavy head is specifically designed to load powerful saltwater rods effectively.

Owen Johnston –
Used this line on a trip to the Caribbean targeting large grouper. The cast performance was excellent, especially with big flies. The line held up well in the heat and didn’t break on coral. Very reliable in tough conditions.
Dorothy Parr –
Felt the front taper made a big difference in casting distance. The line stayed strong even when fighting large fish. The coating is durable and doesn’t degrade quickly in sun exposure.
Fiona Scott –
Good performance in saltwater fishing. The head loads well on my rod, and the sinking rate is consistent. A bit stiff at first, but settles into a smooth feel after a few casts.
William Fisher –
Perfect for targeting large tropical species. The core is tough and didn’t snap when the fish pulled hard. The heat resistance is noticeable in tropical climates.