You do not need hundreds of patterns to catch trout. Understanding three fly families and a few classics will cover most situations.
Trout eat insects on the surface, insects below the surface and larger prey such as baitfish and crayfish. Each of those matches a fly family, and the most useful habit a beginner can build is asking which situation they are in before picking a fly.
| Family | Imitates | Fished |
|---|---|---|
| Dry fly | Adult insects on the surface | Floating, drifting with the current |
| Nymph | Insects living and drifting underwater | Below the surface, often near the bottom |
| Streamer | Baitfish, leeches, crayfish | Swung or stripped through the water |
Dry flies float, and watching a trout rise to one is the most visual moment in the sport. Trout take surface insects mainly during hatches and when adults are laying eggs or lying spent on the water. During a heavy hatch, trout often switch from nymphs to surface flies.
Classic dry patterns for mayflies include the Comparadun, the Sparkle Dun and the Adams. For caddis, the Elk Hair Caddis is a standard, and the Stimulator is a versatile large pattern that suggests stoneflies and caddis. Midge dries in small sizes can help in cold weather, and a small parachute Adams is a common choice there.
Trout eat nymphs and larvae through the year, which is why nymphs are a reliable choice when nothing is rising. Mayfly and stonefly nymphs get dislodged by the current, caddis larvae and pupae are a steady food supply, and midge larvae live on the bottom.
Dependable nymph patterns include the Gold-ribbed Hare's Ear and the Pheasant Tail, which imitate mayfly nymphs in general. Beadhead stonefly nymphs, the Girdle Bug and Pat's Rubberlegs work as attractor stonefly patterns, even without an obvious hatch. The Zebra Midge is a simple midge pupa pattern, often fished small on light tippet.
An emerger is a fly that imitates an insect in the act of rising to hatch. Emergers fished just below the surface can be very effective during a hatch, and they sit between the nymph and dry fly families.
Streamers imitate baitfish, minnows, leeches and crayfish. Larger trout eat these in addition to insects, which is why streamers can work when other flies do not. They tend to be useful in high, stained water, in low light and in winter, when trout hold deep and are not feeding actively. The Woolly Bugger is the most widely recommended beginner streamer.
Two basic retrieves cover most situations. Swinging means casting across the current, keeping a tight line and following the fly with the rod tip as it arcs downstream. It covers a lot of water and is a good winter option. Stripping means pulling the fly back in short strips after letting it sink, and trout are more likely to chase a stripped streamer in spring and fall, when they feed more aggressively.
Look first. Are fish rising? Are insects hatching or flying over the water? If so, start with a dry fly or an emerger that matches the insect in size and color. If nothing is happening, a nymph is the safe default. If water is high and dirty or the light is poor, consider a streamer.
If a fly gets ignored, change something: pattern, color, size or style. A common beginner point from instruction sources is that attractor patterns and bright colors can provoke strikes when natural imitations fail. For the insect side of this decision, read when trout feed and hatch basics.
Fly size and tippet go together. A heavy tippet on a tiny fly looks unnatural and can ruin the drift, while thin tippet on a large streamer may break. See tippet and leader sizing for a chart pairing X sizes with fly sizes.
Beginners often change flies too often or too rarely. Changing every five minutes prevents you from giving any pattern a fair drift, while fishing the same fly for hours after the trout stopped caring wastes the day. A reasonable middle path is to give a fly a number of solid, well-presented drifts through good water, then change one thing at a time.
Another mistake is carrying only favorites in one size. Size often matters as much as pattern, so keep each fly in at least two or three sizes.
Nymphs and streamers can be tied with bead heads or lead wraps to sink faster, or left unweighted to ride higher in the water. A weighted fly gets down to the fish quickly in deep, fast current, while an unweighted one suits shallow water. Dry flies are never weighted. If your nymph is not reaching the bottom, a heavier version or an added split shot may be the fix, and if it keeps snagging the bottom, go lighter.
Dry flies need a drag-free drift, which means the fly floats at the same speed as the current around it. If the line pulls the fly sideways, trout often refuse it. Nymphs need to be at the depth where the fish are, so adjust weight until the fly is drifting near the bottom without constantly snagging. Streamers reward variety: change the speed, add pauses and try different angles across the current until a trout shows interest.
Keep notes on what works. A fly that catches fish on one day, in one kind of water, is a strong clue for the next outing in similar conditions.
A small box with a few of each family beats a huge, unorganized one. Include a couple of mayfly and caddis dry patterns, three or four nymph patterns in different sizes and a few streamers. Our fly and gear kits are built on this principle, and a lesson can teach you how to fish each type properly. Always check your local regulations too, because some waters restrict hook and bait types.
No single fly wins everywhere. If you must choose one to learn, a general nymph such as a Pheasant Tail or Hare's Ear covers a lot of situations because trout eat nymphs year-round.
A small organized selection of each family is enough. Three or four patterns in a few sizes beat a large box you do not understand.
Consider one in high, stained water, in low light and in winter when trout hold deep. They also suit larger trout that feed on baitfish and crayfish.
Close is usually good enough in size, shape and color. If fish refuse, adjust size first, then color, then style.
Tell us what you want to fish, or learn, and we will reply with what is available or planned.