Tell us the conditions and we'll match a fly, tippet, and presentation. Powered by AI tuned for trout — with a guide-built fallback.


































































































































| Pattern | Type | Season | Hook Size | Best Conditions | |
|---|---|---|---|---|---|
![]() | Zebra Midge | Nymph | Year-round | #18-22 | Cold water, slow pools |
![]() | Mercury Midge | Nymph | Year-round | #18-22 | Tailwaters, slow seams |
![]() | WD-40 | Emerger | Year-round | #18-22 | Tailwaters, midges |
![]() | Griffith's Gnat | Dry | Year-round | #18-22 | Midge clusters |
![]() | Blue Wing Olive | Dry | Spring/Fall | #18-22 | Overcast, 50-60°F |
![]() | BWO Emerger | Emerger | Spring/Fall | #18-22 | BWO hatches |
![]() | RS2 | Emerger | Spring/Fall | #18-22 | BWO hatches, overcast |
![]() | JuJu Baetis | Emerger | Spring/Fall | #18-22 | Picky tailwater BWO fish |
![]() | Pale Morning Dun | Dry | Summer | #16-18 | Midday hatches, 55-65°F |
![]() | Sulphur Dun | Dry | Late spring/Summer | #14-18 | Eastern PMD-like hatches |
![]() | Trico | Dry | Late summer | #20-24 | Morning spinner falls |
![]() | Sparkle Dun | Dry | Spring/Summer | #14-20 | Mayfly emergences, flat water |
![]() | Comparadun | Dry | Spring/Summer | #12-20 | Selective fish, mayfly hatches |
![]() | Klinkhammer | Emerger | Spring/Summer | #12-18 | Mayfly emergence, flat water |
![]() | Green Drake | Dry | Late spring | #10-12 | Big mayfly hatches |
![]() | March Brown | Dry | Spring | #10-14 | Cool overcast Apr-May |
![]() | Adams | Dry | Year-round | #12-20 | Generic mayfly imitation |
![]() | Purple Haze | Dry | Summer | #12-18 | Western attractor, pocket water |
![]() | Elk Hair Caddis | Dry | Summer/Fall | #12-18 | Caddis hatches, evening |
![]() | Sparkle Pupa | Emerger | Spring/Summer | #14-18 | Caddis emergence, last hour |
![]() | Tan Caddis Pupa | Emerger | Summer | #14-18 | Caddis emergence, swung wet |
![]() | Salmonfly | Dry | Late spring/Early summer | #4-8 | Pteronarcys hatch, big Western rivers |
![]() | Yellow Sally | Dry | Summer | #14-16 | Little yellow stonefly hatch, riffles |
![]() | Yellow Sally Nymph | Nymph | Summer | #14-16 | Pre-hatch yellow stonefly |
![]() | Skwala | Dry | Late winter/Early spring | #8-10 | Skwala hatch, March-April |
![]() | Black Stonefly Dry | Dry | Spring | #6-10 | Adult stonefly, banks and seams |
![]() | Pat's Rubber Legs | Nymph | Year-round | #4-10 | Stoneflies, big rivers, runoff |
![]() | Girdle Bug | Nymph | Year-round | #4-8 | Big stonefly searching nymph |
![]() | Kaufmann's Stone | Nymph | Year-round | #6-10 | Big stonefly nymph, deep fast water |
![]() | Golden Stone | Nymph | Spring/Summer | #6-10 | Golden stonefly, Western rivers |
![]() | Iron Sally | Nymph | Summer | #12-16 | Golden stonefly, summer rivers |
![]() | Pheasant Tail | Nymph | Year-round | #14-20 | Riffles, mayfly hatches |
![]() | Hare's Ear | Nymph | Year-round | #12-18 | All water types |
![]() | Copper John | Nymph | Year-round | #14-18 | Heavy nymph, deep |
![]() | Prince Nymph | Nymph | Year-round | #12-18 | Searching pattern, riffles |
![]() | Lightning Bug | Nymph | Year-round | #14-18 | Flashy attractor nymph |
![]() | Frenchie | Nymph | Year-round | #14-18 | Euro-nymphing, hot-spot attractor |
![]() | Perdigon | Nymph | Year-round | #14-20 | Fast deep water, sinks fast |
![]() | Rainbow Warrior | Nymph | Year-round | #16-20 | Tailwaters, flashy attractor |
![]() | Higa's SOS | Nymph | Year-round | #14-18 | Searching nymph, all water |
![]() | Walt's Worm | Nymph | Year-round | #12-18 | Searching nymph, all water |
![]() | Two-Bit Hooker | Nymph | Year-round | #16-20 | Deep runs, double-bead weight |
![]() | Czech Nymph | Nymph | Year-round | #10-14 | Euro-nymphing, deep fast water |
![]() | Yum Yum | Nymph | Year-round | #14-18 | Tailwater rainbow attractor |
![]() | Scud | Nymph | Year-round | #14-18 | Tailwaters, weed beds, lakes |
![]() | San Juan Worm | Nymph | Spring runoff | #10-14 | High/dirty water |
![]() | Squirmy Worm | Nymph | Year-round | #10-14 | High/dirty water, after rain |
![]() | Mop Fly | Nymph | Year-round | #10-14 | Stained water, searching |
![]() | Y2K Egg | Nymph | Fall/Spring spawn | #12-16 | Behind spawning fish |
![]() | Dave's Hopper | Terrestrial | Summer | #8-12 | Bank water, >65°F |
![]() | Morrish Hopper | Terrestrial | Summer | #8-12 | Banks, late summer, >65°F |
![]() | Foam Beetle | Terrestrial | Summer | #12-16 | Calm water, sunny |
![]() | Chubby Chernobyl | Terrestrial | Summer | #8-12 | Hopper season, big foam |
![]() | Chernobyl Ant | Terrestrial | Summer | #8-12 | Hopper/stonefly attractor |
![]() | Hippie Stomper | Terrestrial | Summer | #10-14 | Western attractor, hopper-dropper |
![]() | Stimulator | Dry | Summer | #8-14 | Pocket water, attractor |
![]() | Royal Wulff | Dry | Summer | #10-16 | Fast water, attractor |
![]() | Soft Hackle | Wet | Summer/Fall | #12-16 | Swung across riffles |
![]() | Woolly Bugger | Streamer | Year-round | #4-10 | High flows, big fish |
![]() | Black Woolly Bugger | Streamer | Year-round | #4-10 | Universal streamer |
![]() | Crystal Woolly Bugger | Streamer | Year-round | #6-10 | Stained water, flashy attractor |
![]() | Conehead Woolly Bugger | Streamer | Year-round | #6-10 | Deep runs, fast sink |
![]() | Sculpzilla | Streamer | Year-round | #4-8 | Pre-spawn fall, big water |
![]() | Slumpbuster | Streamer | Year-round | #4-8 | Sculpin imitation, dredge deep |
![]() | Sex Dungeon | Streamer | Year-round | #2-4 | Big browns, articulated |
![]() | Egg-Sucking Leech | Streamer | Fall/Winter | #4-8 | Pre-spawn, big trout, swung |
![]() | Black Leech | Streamer | Year-round | #6-10 | Lakes, slow rivers, swung deep |
![]() | Mickey Finn | Streamer | Year-round | #4-10 | Brook trout, classic attractor |
![]() | Zonker | Streamer | Year-round | #4-8 | Baitfish imitation, deep pools |
![]() | Muddler Minnow | Streamer | Summer/Fall | #4-10 | Sculpin/grasshopper, dead-drift or skate |
![]() | Parachute Adams | Dry | Year-round (peaks April-October) | #12-22 | Any mayfly hatch, broken water, low light, picky risers |
![]() | CDC Caddis | Dry | April-October (peaks May-July) | #14-20 | Caddis hatches, flat or slow water, selective risers, evening rise |
![]() | X-Caddis | Emerger | May-September (peaks during caddis hatches) | #14-18 | Active caddis hatch, fish refusing adult caddis, riffles into pools |
![]() | Goddard Caddis | Dry | June-September (evening caddis flights) | #10-16 | Choppy water, riffles, freestone rivers, evening egg-laying flights |
![]() | Hexagenia | Dry | Late June through July (evening into dark) | #6-10 (3XL or 4XL hooks) | Silt-bottom rivers and lakes, dusk to midnight, calm water, Hex hatch |
![]() | Isonychia | Dry | June through October (two emergences) | #10-14 | Eastern and Midwestern freestones, riffles into runs, late afternoon |
![]() | Mahogany Dun | Dry | September through October (peak fall hatch) | #16-18 | Cloudy fall afternoons, slow tailouts, mixed BWO hatches |
![]() | Quill Gordon | Dry | April (first warm afternoons after snowmelt) | #12-14 | Eastern freestones, water 50-55°F, cloudy afternoons, riffle-pool transitions |
![]() | Tungsten Jig Hare's Ear | Nymph | Year-round | #12-18 | Pocket water, deep runs, Euro nymphing, freestone rivers |
![]() | Mop Jig | Nymph | Year-round (peaks in high or stained water) | #10-14 | High water, runoff, stained tailwaters, stocked trout |
![]() | Foam Ant | Terrestrial | June-September | #12-18 | Summer afternoons, banks, overhanging grass, flat water, flying-ant falls |
![]() | Cricket | Terrestrial | July-September | #10-14 | Meadow streams, grassy banks, undercut banks, late summer afternoons |
![]() | Fat Albert | Terrestrial | July-October | #6-12 | Western banks, riffles, pocket water, hopper season, dropper rigs |
![]() | Sparkle Minnow | Streamer | Year-round (best spring, fall, and high water) | #4-8 | Banks, cutbanks, pocket water, stained water, streamer fishing days |
![]() | Clouser Minnow | Streamer | Year-round (especially spring and fall) | #2-8 | Baitfish water, lakes, rivers, warmwater, trout, bass, saltwater flats |
![]() | Barr's BWO Emerger | Emerger | Spring and fall | #18-22 | Cloudy BWO hatches, tailwaters, flat glides, selective risers |
![]() | Top Secret Midge | Emerger | Year-round (especially winter) | #20-26 | Tailwaters, winter midge hatches, flat slicks, selective trout |
![]() | Callibaetis Cripple | Emerger | Late spring through early fall | #14-18 | Lakes, ponds, slow backwaters, windy chop on stillwater |
![]() | Damselfly Nymph | Nymph | May-August | #10-14 | Weedy lakes, ponds, shallow flats, reeds, slow edges |
![]() | Balanced Leech | Streamer | Year-round (best spring and fall) | #8-12 | Lakes, chironomid rigs, indicators, deep shoals, suspended fish |
![]() | Ray Charles Sowbug | Nymph | Year-round (especially fall and winter) | #14-18 | Tailwaters, spring creeks, weedy slow runs, Bighorn-style rivers |
![]() | UV Pink Scud | Nymph | Year-round (best in tailwaters and stillwater spring/fall) | #12-16 | Tailwaters, spring creeks, weedy lakes, slow shoals |
![]() | Rainbow Czech Nymph | Nymph | Year-round | #10-14 | Fast pocket water, deep runs, Euro-nymphing, broken riffles |
![]() | Trombone | Streamer | Spring and fall (pre-spawn brown trout) | #2-4 (articulated, 3.5-5" overall) | Big water, low-light, off-color flows, trophy hunting for big browns |
![]() | Goldie | Streamer | Year-round (best fall pre-spawn) | #2-4 (articulated, 4-5" overall) | Trophy water, deep runs, undercut banks, big rivers and tailwaters |
![]() | Dirty Hippy | Streamer | Year-round (especially fall and spring) | #2-6 (articulated, 3.5-4.5" overall) | Stained water, deep runs, lakes, big rivers, trout on the hunt |
![]() | Butt Monkey | Streamer | Year-round (especially pre-spawn fall) | #2-4 (articulated, 4-5" overall) | Big water, low light, deep runs, trophy hunting |
![]() | Wire Worm | Nymph | Year-round (essential during runoff and high water) | #10-14 | High flows, stained water, tailwaters, deep runs |
![]() | Mini Leech | Streamer | Year-round | #10-14 | Tailwaters, stillwater, trout spey, swung-fly water, indicator rigs |
![]() | Otter Egg | Nymph | Fall and spring (during and after spawn) | #12-16 | Spawning runs, tailwaters below spawning beds, Great Lakes tribs, alpine lake inlets |
![]() | Blowtorch | Nymph | Year-round | #14-18 | Euro nymphing, pocket water, fast runs, pressured trout |
![]() | Blowtorch Peacock Variation | Nymph | Year-round | #14-18 | Clear to slightly stained rivers, fast runs, technical Euro water |
![]() | Lite Brite Perdigon | Nymph | Year-round | #14-20 | Fast riffles, deep slots, technical tailwaters, Euro nymphing |
![]() | Quilldigon | Nymph | Year-round | #14-20 | Clear water, selective trout, Euro nymphing, spring creeks and tailwaters |
![]() | Surveyor | Nymph | Year-round | #12-16 | Pocket water, broken riffles, Euro rigs, searching new water |
![]() | Red Dart | Nymph | Year-round (especially winter and high water) | #14-18 | Tailwaters, Euro rigs, cold water, deep runs |
![]() | Tungsten Jig Bugger | Streamer | Year-round | #6-10 | Deep runs, Euro streamer rigs, lakes, swing water, high water |
![]() | Mayer's Mini Leech Jig | Streamer | Year-round | #10-14 | Euro streamer rigs, lakes, tailwaters, slow runs, indicator rigs |
![]() | Back Flop Jig | Streamer | Year-round (especially spring and fall) | #4-8 (articulated) | Euro streamer fishing, deep banks, bouldery rivers, trout looking for bigger meals |
![]() | Corn-Fed Caddis CDC | Dry | Spring through fall | #14-18 | Caddis hatches, riffles, broken water, evening rises |
![]() | Egan's Rainbow Warrior | Nymph | Year-round | #16-20 | Tailwaters, clear water, technical trout, dropper rigs, Euro rigs |
![]() | Egan's Frenchie | Nymph | Year-round | #12-18 | Euro rigs, tailwaters, freestone runs, fast water |
![]() | Bionic Ant | Dry | Late spring through early fall | #14-18 | Terrestrial season, banks, slow pools, hopper-dropper rigs, sight-fishing |
![]() | Egan's Poacher | Nymph | Spring through fall | #14-18 | Mayfly hatches, swung wet flies, Euro rigs, tailwaters |
![]() | Silver Bullet | Nymph | Year-round (especially winter and high water) | #14-18 | Cold tailwaters, deep runs, Euro rigs, off-color water |
![]() | GTI Caddis | Nymph | Spring through fall | #12-16 | Caddis water, freestone rivers, riffles, runs, Euro rigs |
![]() | Egan's Tailwater Sowbug | Nymph | Year-round | #14-18 | Tailwaters, weed-rich rivers, technical trout, dropper rigs |
![]() | Egan's Dart | Nymph | Year-round | #14-18 | Euro rigs, deep runs, fast water, tailwaters, off-color water |
![]() | Egan's Warrior Perdigon | Nymph | Year-round | #14-18 | Euro rigs, fast water, deep runs, clear tailwaters |
![]() | Spruce Moth | Dry | Mid-July through August | #10-14 | Western freestone rivers near spruce/fir forests, broken water, banks, evening rises |
![]() | Mother Shucker | Emerger | Spring through fall, peak during caddis and PMD hatches | #14-18 | Riffle tailouts, foam lines, broken water during emergences |
![]() | Royal Coachman | Wet | Summer, especially mountain streams and brook trout water | #10-16 | Small streams, broken water, brook and cutthroat water, searching unknown water |
![]() | Hare's Ear Wet Fly | Wet | Spring through fall during mayfly and caddis activity | #12-16 | Riffles, runs, swing water, classic Eastern freestone streams |
![]() | Light Cahill | Dry | Late spring through summer, peak in evening hatches | #12-16 | Eastern freestone streams, evening hatches, slow pools, classic Catskill water |
![]() | Black Gnat | Wet | Spring through fall, especially after rain | #12-18 | Small streams, slow pools, after rains when terrestrials wash in |
![]() | Renegade | Dry | Year-round, classic high-country summer fly | #12-18 | Mountain streams, high lakes, riffles, broken water, cutthroat and brook trout water |
![]() | Galloup's Boogie Man | Streamer | Pre-spawn spring, fall, high or off-color water | #2-4 articulated, 4-6 inches total | Big rivers, streamer water, off-color flows, low light, hunting big browns |
![]() | Galloup's Heifer Groomer | Streamer | Spring and fall, pre-spawn brown trout season | #2-4 articulated, 4-5 inches total | Big freestones, tailwaters, deep runs, sculpin water |
![]() | Galloup's Peanut Envy | Streamer | Year-round streamer fishing, especially fall | #4-6 articulated, 3-4 inches total | Smaller rivers, pressured water, when full-size streamers are too big |
![]() | Galloup's Zoo Cougar | Streamer | Spring through fall, peak in pre-spawn brown trout season | #2-4, 3-4 inches | Sculpin water, deep runs, undercut banks, big-trout water |