Scientific Anglers

The SONAR Saltwater Intermediate fly line features a slow-sinking clear head that cuts through the surface and provides an amazing amount of stealth for those wary fish cruising the flats.

Built on a stiff core for tropical conditions, and featuring our AST Plus slickness additive, the Bonefish taper is designed with a long, compound head for casting accuracy and delicate deliveries to fish.

With the AST PLUS slickness additive, the Amplitude will shoot farther and last longer than any other line on the market. This line is designed to chase tarpon, bonefish and tarpon on the same line. Cuts through wind and casts large flies easily.

The Sonar Musky has a powerful head to turn over extremely large flies. Oversized running line for increased line management and positive strip sets. This intermediate running line with Sink 5 head works well for rivers and lakes.

The Frequency Magnum summed up in six words: big flies, big fish, small price. Designed with an aggressive weight-forward head, the Magnum fly line is built for tossing large flies, turning over split shot, and blasting through the wind.

The Frequency Boost is built a half-size heavier to give you a little extra help with your cast. This general purpose floating fly line loads quickly, turns over large dries, nymph rigs, and streamers with ease, and features a mid-length head perfect for

The Bass Bug is designed for throwing large, air-resistant dry flies and streamers for bass in rivers, lakes, and ponds. Overweighted by two line sizes to assist in loading rods and turning over heavy rigs; use designated line weight for your rod.

Designed with a short 25′ fast-sinking head, the Sink 25 sinking fly line gets flies deep extremely quickly and is paired with a large diameter handling section for excellent line control.

The Sonar Titan Intermediate is powerful for casting the largest of flies with a slow sink rate to get flies just below the surface. This line performs best is temperate climates.