Monofilament and fluorocarbon tapered leaders are types of leaders used in fly fishing to connect the fly line to the fly. Tapered leaders are thicker at the butt end (attached to the fly line) and thinner at the tippet end (attached to the fly). This taper helps in transferring energy smoothly from the fly line to the fly for better presentation.

The choice between monofilament tapered leaders and fluorocarbon tapered leaders depends on various factors such as the fishing conditions, the type of flies being used, and the behavior of the target fish. Mono Tapered leaders are often preferred for dry fly fishing as they tend to float higher on the waters surface, best for dry fly fishing on both rivers and lakes. Fluorocarbon tapered leaders are commonly used in gin-clear water or when fishing subsurface, where the reduced visibility and higher sink rate can be advantageous. Ideal for stillwater angling.