The Articulate Fly

Episode Overview
In this Central PA Fishing Report on The Articulate Fly fly fishing podcast, host Marvin Cash checks in with George Costa, manager at TCO Fly Shop in State College, Pennsylvania, for a real-time spring conditions update. With prime season fully underway, Costa delivers an encouraging picture across Central PA's limestone stream corridor: water levels are running near seasonal averages, a minor push of off-color water on the Juniata is clearing, and the hatch activity is firing on multiple fronts simultaneously. Sulphurs are coming up on Spring Creek with Penns Creek and Fishing Creek close behind; March browns, blue-winged olives, tan caddis, little black caddis and a few brown stones are all in play. Costa advises carrying a wide variety of dry fly and nymph patterns to dial in what individual fish want on a given day — a critical tactical point during a period when presentations can shift from a size-20 olive nymph to a size-12 jig between sessions. With cooler temperatures and overcast skies pushing the best dry fly action into the afternoon, he notes that warmer, brighter days ahead will shift peak hatch windows toward evening. For anglers ready to strike while the iron is hot, Costa is emphatic: this next month represents the best fishing of the year in Central PA, and the window before summer low-water conditions close in is narrow.
Key Takeaways
How to carry and rotate a broad pattern selection — dry flies, nymphs and streamers — to match the fast-changing multi-hatch conditions of Central PA's peak spring season.
Why afternoon currently outperforms morning sessions on days with cooler temperatures and overcast skies, and when to expect that window to shift toward evening as conditions warm.
When to reach for streamers even during prime dry fly season — particularly after rain events add color to the water.
How to use attractor-style Euro jig nymphs (Frenchies and similar patterns) as a consistent fallback when dry fly activity isn't dialed in.
Why the next four to six weeks represent the peak fishing window of the year in Central PA — and how summer low-water and rising temperatures will close that window by mid-to-late June.

Techniques & Gear Covered
George Costa covers a multi-technique spring approach anchored by dry fly fishing during active afternoon hatch windows, with Euro-style nymphing as the go-to when surface activity is absent. On the dry fly front, the current hatch slate — sulphurs, March browns, olives, tan caddis, little black caddis and brown stones — demands anglers carry a broad selection rather than betting on a single pattern. Costa specifically calls out attractor-style nymphs including Frenchies, as well as general Euro jig patterns as reliable subsurface options, noting that fish can shift from small olive nymphs to larger size-12 jigs between sessions. Streamer fishing is flagged as a productive opportunistic tactic when rain pushes off-color water through the system. Costa also references Wheatley stacked fly boxes as the organizational tool of choice for managing the diversity of patterns required this time of year.
Locations & Species
The episode focuses on the Central Pennsylvania limestone stream corridor centered around State College, with Spring Creek, Penns Creek, Fishing Creek and the Juniata all discussed. The Juniata was carrying slight color at the time of recording following a rain event but was dropping and clearing. Spring Creek and Penns Creek are highlighted as the primary waters for emerging sulphur hatches, with Fishing Creek also noted as part of the sulphur progression. The target species throughout is trout — the wild brown trout fisheries that define Centre County's reputation as a world-class dry fly destination. Costa notes that current conditions are tracking at or near seasonal averages, with the brief concern of summer low-water and warming temperatures expected to begin closing the prime window somewhere between mid and late June.
FAQ / Key Questions Answered
What hatches are active right now in Central PA?
Multiple hatches are producing simultaneously: sulphurs are emerging on Spring Creek with Penns Creek and Fishing Creek following closely behind, March browns are coming up, blue-winged olives are present throughout, and tan caddis, little black caddis and brown stones are all in the mix. Costa emphasizes that the diversity of activity makes pattern variety an important tool for hatch-matching precision at this stage of the season.
How should I adjust my dry fly timing during Central PA's spring season?
Under the current cooler temperatures and overcast conditions, the best dry fly action has been occurring in the afternoon. As warmer and sunnier days arrive, Costa expects the peak hatch windows to shift toward evening — a seasonal pattern Central PA anglers should track closely and adjust their on-water schedules accordingly.
When should I throw streamers during spring dry fly season?
Streamers remain a viable and productive option any time rain events push off-color water through the system, even when dry fly activity is strong on clearer water. Costa frames streamers as a situational rather than primary tactic at this point in the season — a useful arrow in the quiver after rain, but not the main focus when hatches are firing.
What nymph patterns are working in Central PA right now?
Pheasant Tails, Frenchies and attractor-style Euro jig nymphs are all producing consistently. Costa's key advice is to avoid getting locked into a single pattern: fish can want a small olive nymph one day and a size-12 jig the next, so carrying variety and being willing to change is the most important tactical principle for subsurface fishing during this hatch-rich window.
How long will the prime spring fishing window last in Central PA?
Costa estimates the best fishing of the year will continue for roughly the next four to six weeks from recording, with summer low-water conditions and rising water temperatures expected to become a concern sometime between mid and late June. The advice is clear: get on the water now while conditions are ideal.
Related Content
S8, Ep 19 – Spring Fever: George Costa on Central PA's Fishing Conditions and Upcoming Hatches
S8, Ep 17 – Spring Awakening: George Costa on Central PA Fishing and Upcoming Hatches
S8, Ep 4 – Chilly Waters and Crafty Flies: A New Year Fishing Report with George Costa
S7, Ep 36 – Central PA Fishing Report with George Costa of TCO Fly Shop
S6, Ep 48 – Rain or Shine: Central PA's Fishing Report with TCO Fly Shop
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Episode Overview
The Articulate Fly returns to Southwest Virginia with guide Matt Reilly of Matt Reilly Fly Fishing for a candid late-spring conditions update covering the 2026 striper run, the smallmouth spawn transition and the tactical realities of fishing during one of the most compressed and drought-affected springs on record. Marvin Cash and Matt dissect a season that accelerated and stalled simultaneously — an extended cold February followed by an abrupt heat spike of 85–95°F days in late March and early April, paired with persistently low water, collapsed the striper run and complicated every major seasonal transition on Southwest Virginia's river systems. The weird weather and flows have made it genuinely difficult to pattern pre- and post-spawn smallmouth — the fish anglers actually want to target — because the usual seasonal cues have been compressed and scrambled. Matt provides a practical framework for identifying spawning males so you can skip them and keep hunting for fish that are actively feeding: the lazy follow, the lip-grab without commitment, the fish that trails your bug 8–10 feet off the bank and turns back are all signs to move on. He also explains why low water in an otherwise frustrating spring carries a meaningful upside for long-term recruitment if dry conditions hold through June. The episode closes with a thoughtful response to a listener question from Myles about breaking into fly fishing guiding professionally, with Matt covering mentorship, income diversification, the ethics of client and fishery stewardship and the financial realities of building a sustainable guide business.
Key Takeaways
How to recognize spawning male smallmouth behavior — lazy follows, lip-grabs and short pursuits that turn back to the bank — so you can move on quickly and keep hunting actively feeding pre- and post-spawn fish.
Why low-water drought springs can actually produce strong smallmouth recruitment classes if rain stays away through June.
When to move on from a fish that follows your bug or streamer and returns to the bank without committing — and why skipping those fish is both the ethical and tactically correct call.
How unusual weather and flows this spring have scrambled the typical pre- and post-spawn patterns, making it a mixed-bag season where reading individual fish behavior matters more than following a seasonal playbook.
Why building a guide career requires prioritizing client relationships and fishery health above daily revenue — and how that long-term ethic translates to business sustainability.
How diversifying income streams (writing, multi-species guiding, year-round fisheries) protects a guide's livelihood when weather, blowouts or other factors cut into prime booking windows.

Techniques & Gear Covered
The central tactical theme of this episode is finding and targeting actively feeding pre- and post-spawn smallmouth in low, clear water — a harder task than usual given how badly the weird weather and flows this spring have scrambled normal seasonal patterns. Matt covers top water bug presentations and streamer fishing as the primary techniques for this window, but stresses that reading individual fish behavior is the key skill right now. Stomach-pump data — stoneflies, bees, beetles, damselflies and dragonflies — confirms that genuinely feeding fish are keyed on terrestrials and aquatic insects, which gives anglers confidence that top water presentations are well-founded. The critical field skill Matt emphasizes is identifying spawning males quickly so you can move on: a fish that lazily follows a bug or streamer 8–10 feet off the bank and turns back, or that lip-grabs without committing, is a spawner to skip — not a fish to continue to work. The striper run is also discussed briefly in the context of the same low-water and warming conditions.
Locations & Species
Southwest Virginia's river systems — the New River drainage and surrounding waters — are the focus of this report, with Matt Reilly fishing and guiding the region year-round. Smallmouth bass are the primary target species for the spring through early fall, with striped bass serving as the transitional species between musky season and pre-spawn smallmouth and the remainder of smallmouth season. The compressed, weather-scrambled spring has made it unusually difficult to pattern pre- and post-spawn smallmouth — the fish Matt and his clients are after — with conditions shifting too quickly for the usual seasonal benchmarks to hold. The season discussed covers late April through early July, with May through late June highlighted as the core window for top water, baitfish and crayfish presentations once the spawn has run its course and actively feeding fish become reliably patternable again.
FAQ / Key Questions Answered
How do you identify spawning male smallmouth so you can move on and find actively feeding fish?
Matt explains that spawning males reveal themselves through a set of distinctive non-committal behaviors: lazily following a bug or popper without eating, lip-grabbing it without driving it down or trailing a fly 8–10 feet off the bank before turning back to their original position. A genuinely feeding fish commits. Once you recognize those spawner signals, the right move is to keep moving, because leaving them alone is the correct call during the spawn. With this spring's scrambled conditions making pre- and post-spawn fish harder than usual to pattern, being efficient about identifying and skipping spawners is especially important.
What does extremely low, warm spring water mean for smallmouth spawn site selection?
In low-water years, smallmouth spread their spawning activity across non-traditional structure — small mid-river rocks, exposed tailouts and spots that wouldn't hold nests at normal flows — because classic protected backwaters become stagnant and unsuitable. Understanding where fish are spawning matters less for targeting purposes and more for knowing where not to fish, and for recognizing the behavior cues that signal a spawner so you can move on efficiently. The upside of this low-water spawn, as Matt explains, is the potential for strong recruitment if dry conditions hold through June.
What are the best fly fishing techniques for Southwest Virginia smallmouth in late spring and early summer under low, clear conditions?
Matt anticipates top water bug presentations — poppers, damselfly and dragonfly imitations, terrestrials — dominating May through early July given the continued low and clear forecast. Streamer presentations remain viable, particularly for baitfish and crayfish patterns as water warms into the late May and June window, but the finesse of dead-drifting surface flies tight to the bank is a standout tactic for reaching post-spawn fish that are genuinely in a feeding mode. The challenge this season is that the scrambled spring has compressed the transition windows, so reading individual fish behavior — rather than relying on calendar-based seasonal cues — is the more reliable approach.
What is the most important advice for someone looking to build a career as a fly fishing guide?
Matt emphasizes three things above individual tactics: surround yourself with mentors who are better than you and have nothing to prove, be willing to work extremely hard and put in time on the water because print and video resources only go so far, and diversify your income streams across species, seasons and ancillary work like writing. He also stresses that sustainable guide businesses prioritize client experience and fishery health over daily revenue — those values pay off long-term even when they cost you in the short run.
Why do low-water drought conditions during the spawn create an opportunity for long-term smallmouth recruitment?
If spring stays dry through June, fish can complete the spawn without disruption from flooding or high flows, which can otherwise wash out nests and devastate year-class recruitment. Matt notes that this is a meaningful potential upside to what otherwise feels like a frustrating season — the same drought that hurt the striper run and compressed the musky window may produce a strong class of juvenile smallmouth if it holds.
Related Content
S8, Ep 23 – Low Water Chronicles: Matt Reilly on Pre-Spawn Smallmouth Strategies and Seasonal Shifts
S8, Ep 16 – The Seasonal Shift: Matt Reilly Discusses Spring Fishing Strategies in Southwest Virginia
S8, Ep 2 – January Fishing Forecast: Weather Patterns and Musky Tips with Matt Reilly
S6, Ep 71 – Adapting to Heat and Low Flows: A Southwest Virginia Fishing Report with Matt Reilly
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Episode Overview
In this Casting Angles segment of The Articulate Fly fly fishing podcast, host Marvin Cash and Master Casting Instructor Mac Brown discuss how to adapt when an unusually warm, drought-driven spring upends normal seasonal fishing expectations across the mid-Atlantic and Southern Appalachians. It's a candid, practical conversation for anglers dealing with conditions that have scrambled hatches, compressed water temps and pushed trout into summerlike stress months early.
Mac reports water temperatures in the mid-70s in Bryson City during mid-April — historically a July scenario — with corresponding low water on Western North Carolina freestone streams, including the Davidson River near Brevard where water temps were nudging the upper 60s. The practical takeaway from the conversation is concrete: when freestone streams become untenable, seek out tailwater fisheries with reliably cold, dam-regulated flows, and adjust fly selection dramatically — in this case dropping to size 28 Blue Wing Olives in April, a fly more commonly associated with winter midge-style fishing on the South Holston, after typical spring hatches like March Browns and Hendricksons failed to materialize. Mac and Marvin also encourage listeners to make a gear shift altogether when trout conditions are compromised, pivoting to panfish and bass on local ponds and lakes. The philosophical throughline is the classic fishing truism both hosts return to: you can only take what the river is willing to give you.
Key Takeaways
How to identify when warming freestone streams have become too stressful for trout and it's time to shift to tailwaters or alternative species.
Why size 28 Blue Wing Olives can be the correct spring fly choice during drought years when conventional late-spring hatches like March Browns and Hendricksons fail to appear on schedule.
When traditional spring trout fishing is compromised, how pivoting early to bass and panfish on local ponds offers a productive and accessible alternative.
Why monitoring water temperature — not just visual stream conditions — is the most reliable guide to where trout will be feeding during abnormally warm spring weather.

Techniques & Gear Covered
The episode's most concrete tactical moment comes from Mac's report of fishing a size 28 Blue Wing Olive during a late-April outing — a winter-style presentation typically reserved for midge-focused tailwater days on rivers like the South Holston — after spotting a pod of actively feeding fish with no significant spring hatches in the air. No March Browns, no Hendricksons: just a tiny blue-winged olive and a size 28 pattern to match it. Beyond that single hatch-matching scenario, the tactical discussion centers on the broader decision-making framework of reading water temperature as a leading indicator, targeting the cold-water refuge of tailwaters when freestone streams become thermal and knowing when conditions call for switching species entirely rather than forcing trout fishing in compromised water.
Locations & Species
The conversation covers Western North Carolina freestone streams, including the Davidson River near Brevard and the waters around Bryson City, where mid-April temperatures had reached summerlike levels and flows were running at roughly a third to a half of seasonal norms across much of the mid-Atlantic. Mac points listeners toward tailwaters fed by large impoundments — specifically the fisheries below Fontana Dam, and waters like Cheoah and Calderwood — as cold-water refuges where trout will continue feeding more normally regardless of ambient air temperatures. Marvin references the South Holston and Watauga as additional tailwater options for Tennessee and Western NC anglers, with a caveat about reported turbine maintenance on the South Holston at the time of recording. Brown and rainbow trout are the primary targets throughout, with a passing acknowledgment that the abnormally warm March also disrupted pre-spawn smallmouth bass patterns in Virginia and the Carolinas.
FAQ / Key Questions Answered
How warm is too warm for spring trout fishing on freestone streams?
Mac and Marvin both flag water temperatures in the upper 60s as the threshold where trout fishing on freestone streams becomes unproductive and stressful for fish. The Davidson River near Brevard hit those temperatures in mid-April during this unusual spring — a full two months earlier than the July conditions those readings would normally indicate.
What fly should you use when spring hatches don't materialize on schedule?
Mac's answer from this episode: revert to winter-game logic. When he found a pod of working fish in late April with no March Browns or Hendricksons in the air, a size 28 Blue Wing Olive — the same pattern he'd fish on a winter day on the South Holston — turned out to be the correct call.
Why are tailwaters the best alternative when freestone streams get too warm?
Dam-regulated tailwaters draw from cold reservoir depths, maintaining stable water temperatures even when air temperatures are unseasonably high. Mac specifically mentions the fisheries below Fontana Dam — Cheoah and Calderwood — as reliable cold-water options when surrounding freestone streams become too warm to fish effectively.
What should trout anglers do when neither the water temperature nor the hatches are cooperating?
Both Mac and Marvin recommend the species shift: get out early on the panfish and bass season. Ponds and lakes close to home offer productive topwater and popper fishing for bass and bluegill when trout streams are off the table, and the change of scenery often produces fish when the usual spring program simply isn't available.
Related Content
S8, Ep 25 – The Science of Stealth: Mac Brown on Fishing Techniques for Low Flow Scenarios
S8, Ep 21 – Casting into Spring: Mac Brown Discusses Wild Trout Fishing and Upcoming Classes
S7, Ep 28 – Warming Waters and Active Fish: A Spring Fishing Update with Mac Brown
S6, Ep 145 – Navigating Winter Waters: Unconventional Strategies with Mac Brown
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Episode Overview
The Butcher Shop goes deep on one of the Great Lakes predator fly world's most distinctive patterns in this conversation with Eli Berant, the Michigan-based fly designer and founder of Great Lakes Fly. Eli is the creator of the Optimus Swine — a reverse foam head-embedded, side-kicking musky streamer that has been turning heads and producing fish since around 2009. In this episode, host Marvin Cash walks Eli through the full arc of the pattern: the lake musky problem it was designed to solve, the unconventional decision to reverse a foam popper head to create a slower fall and a pronounced glide-bait wiggle, the material choices that define the fly's profile and movement and the step-by-step construction logic from spinner bait hook to laser dub head.
The conversation covers the full Swine family — the original 8–9 inch version on a 6/0 Mustad, the scaled-down Swine Junior for river smallmouth and stripers, the fettuccine-foam Pot Belly Swine for subsurface river applications, and the articulated Maximus Swine and Maximus Swine Junior, which remain something of a "secret menu" offering. Eli also addresses color selection by region — from olive-and-pink for fired-up Tennessee muskies to the Wisconsin-proven Willen's Villain black-white-yellow combo and his own favorite Mardi Gras pattern — and breaks down his preferred line and leader systems for lake musky versus river smallmouth applications. Throughout, the discussion grounds fly design theory in direct, tactical fishing application.
Key Takeaways
How reversing a foam popper head toward the rear of the hook creates a slower fall rate and induces the Optimus Swine's distinctive side-to-side glide-bait action.
Why proportionality in bucktail application — specifically how much material per section and how many sections — is the most common failure point for tiers attempting the Swine for the first time.
How to tune the Pot Belly Swine's fettuccine foam piece by removing individual strips to achieve neutral balance and proper swim orientation before fishing.
Why a jerk-strip retrieve with a sinking line (350–450 grain tip) is the preferred delivery system for lake musky, allowing the sink tip to hold depth while the fly kicks side to side on each pull.
When to dial back retrieve aggression and employ a stutter-strip or extended pause with the Swine Junior, particularly during cold-water conditions when bass are holding and waiting.
Why sharing newly discovered synthetic fly tying materials openly — rather than hoarding them — is essential to keeping those materials in production and available to the broader tying community.

Techniques & Gear Covered
The Optimus Swine is designed around a jerk-strip retrieve that drives its foam-induced side-to-side action, and Eli breaks down exactly how to execute it — stripping two feet with the line hand in alternating pulls, roughly like ripping a bag open. For lake musky, he runs a 10-weight with a 350–450 grain sinking tip, paired with a short 3–4 foot leader from loop to fly — a butt section of 40-pound to wire, finished with cross-lock snaps for fast fly changes. River smallmouth and striper applications drop to a 7- or 8-weight with a 200–350 grain tip depending on conditions. Construction-specific details are substantial: Mustad 32608 spinner bait hook (6/0 for the original), Rainy's Mini Me medium foam popper head reversed and goop-set with silicone adhesive, synthetic yak hair blended with flash for the tail, grizzly saddle feathers as flanks, Magnum Flashabou, everyday bucktail applied in top-and-bottom sections, laser dub for the head, and 1/2-inch eyes pressed and held in a two-touch goop cure process. Anadromous Fly Company tungsten carbide scissors get a specific callout as Eli's go-to cutting tool for heavy production tying.
Locations & Species
The Optimus Swine was developed specifically for lake musky, with Lake Saint Clair in Michigan serving as the primary proving ground — a relatively snag-free fishery that allows anglers to fish sinking lines freely across the water column. The pattern's documented multi-species versatility extends to Great Lakes migratory species, pike, lake trout, stripers on the East Coast and river smallmouth, including Eli's personal use of the Swine Junior on Lake Saint Clair for targeting large smallmouth by eliminating the smaller fish. Color selection is explicitly regional in the episode: olive-and-pink for fired-up Tennessee fish, pink-and-chartreuse or the Willen's Villain black-white-yellow for Wisconsin tannic water, and Mardi Gras (pink, chartreuse, black head) as a broadly effective pattern.
FAQ / Key Questions Answered
How does the reversed foam popper head make the Optimus Swine swim differently than other musky flies?
Positioning the foam head toward the rear of the hook — rather than at the front — reduces the fly's sink rate compared to a traditional epoxy-head pattern and shifts the center of buoyancy rearward. This causes the fly to kick side to side with a pronounced glide-bait cadence on a jerk-strip retrieve, rather than simply pushing water or diving. The effect is amplified when fishing a sinking tip, which holds the running line low and forces the rear of the fly to tip upward and roll on each strip.
What are the most common mistakes tiers make when tying the Optimus Swine?
Eli identifies two primary failure points: applying bucktail in clumps that are too large, which destroys proportionality, and using too much laser dub in the head, which throws the silhouette out of balance. The fix for bucktail is learning to feel the correct bundle size — roughly the width of a toothpick at the pinch, the width of a popsicle stick at the ends — and building five top-and-bottom sections before reaching the laser dub head on the original Swine. Managing the laser dub means stacking it, pulling off loose fibers and removing material rather than adding more.
How do you tune the Pot Belly Swine to swim correctly for river applications?
Because the Pot Belly Swine uses fettuccine foam strips in place of the reversed popper head, Eli ties in more foam strips than needed — six to eight — and tells buyers they may need to remove one to four strips to get the fly to balance and swim true. The goal is first to eliminate any spin or tilt, then to dial in the side-to-side action. This is the same principle as Barry Reynolds's flash philosophy applied to buoyancy: put in more than you need because you can always remove it, but you can't add it once the fly is finished.
What line and leader setup does Eli prefer for lake musky with the Optimus Swine?
For open lake musky fishing on snag-light water, Eli runs a 10-weight with a Scientific Anglers sinking tip in the 350–450 grain range, specifically preferring striper-style lines with a long 26–28 foot tip section. Leaders are intentionally short — 3–4 feet total from loop to fly — built with a 2-foot 40-pound butt section going straight to wire, then a cross-lock snap at the fly. The short leader keeps the fly in the sink tip's depth zone and maximizes the kicking action on the jerk-strip retrieve.
How should retrieve style change when downsizing to the Swine Junior for smallmouth or stripers?
Moving to the smaller patterns calls for a less aggressive retrieve cadence overall, but Eli emphasizes breaking out of monotonous repetition — consciously varying the retrieve is as important as the base technique. Key adjustments include a stutter-strip (half-length pulls done twice in quick succession) and extended pauses, which become particularly effective in cold water when bass are holding and watching the fly. The foam piece in all Swine variants allows the fly to hang suspended during a pause without sinking, which is the primary trigger for following fish.
Sponsors
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Related Content
S1, Ep 2: The T-Bone: A Deep Dive with Blane Chocklett - The Butcher Shop
BONUS: Shack Nasties and the Drunk & Disorderly: A Winter Chat with Tommy Lynch
BONUS: Crafting The Nut Job: A Deep Dive with Brendan Ruch
BONUS: A Deep Dive into the Swingin' D: Techniques and Tips with Mike Schultz
S6, Ep 124: Fly Tying with Chase Smith
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Episode Overview
This fly fishing podcast episode launches the inaugural Pennsylvania Smallmouth Report on The Articulate Fly, featuring host Marvin Cash and Captain Brian Shumaker of Susquehanna River Guides. The episode arrives at a pivotal moment in the Pennsylvania smallmouth spawn cycle, with an unseasonably volatile spring — swings from the upper 50s to the 70s in water temperature within days — compressing what is normally a methodical, staggered spawn into a chaotic quest to pattern pre-spawn fish. On the Juniata and Susquehanna, Shumaker reports catching spawned-out females alongside buck males, signaling that the first wave has already completed, while subsequent waves are just arriving. The conversation covers responsible angler strategy during the spawn, where to focus presentations to avoid disturbing bedding fish and how low flows on the tributaries have pushed fishing pressure onto the main river. Shumaker also previews his summer guide calendar, highlighting July through September as prime topwater and streamer season, and teases a planned trip with Bob Clouser to target peacock bass in Florida.
Key Takeaways
How volatile spring water temperatures — from the upper 50s to the low 70s within days — compress the smallmouth spawn and make it more difficult to pattern pre-spawn fish on Pennsylvania rivers
Why concentrating presentations on mid-river structure rather than bank edges is the most effective and responsible strategy when spawning activity is underway
How to identify when you've stumbled into bedding fish — landing several fish in quick succession from the same bank zone is the signal to back off
When swim flies, Deceivers and Half-and-Halfs, produce in mixed-bag pre-spawn and spawn-transition conditions on the Susquehanna system
Why Pennsylvania tributary flows have been too shallow for float trips since mid-April, making main-stem Susquehanna and Juniata fishing the primary option this spring
When to plan a guided Pennsylvania smallmouth trip with Shumaker: July through September for topwater popping bug fishing, with streamer and crayfish options throughout

Techniques & Gear Covered
Shumaker's current approach to the spawn-transition period centers on streamer-style patterns — swim flies, Deceivers and Half-and-Halfs — chosen for their ability to produce across a wide range of water temperatures and fish behavior stages. The mixed-bag nature of the conditions (cold-water days followed immediately by warm-water days) makes pattern commitment difficult, and Shumaker acknowledges the fish have been hard to lock into a single presentation. For summer bookings, he highlights popping bugs and topwater flies as the primary draw from July through September, with streamers and crayfish patterns rounding out the arsenal.
Locations & Species
The primary fishery covered is the Susquehanna River and Juniata River system in central Pennsylvania, with additional context on the region's smaller tributaries, which have been unfishable by raft since approximately mid-April due to low water. The target species is smallmouth bass, with Shumaker noting a split population dynamic: first-wave fish (spawned-out females and smaller buck males) already post-spawn, and subsequent waves still staging or actively on beds. Water temperatures have swung dramatically this spring — from the upper 50s approaching 60°F to the low 70s within a single week — creating an unusually compressed and difficult-to-pattern spawn window across the Susquehanna drainage.
FAQ / Key Questions Answered
How do you tell if you're fishing over spawning smallmouth on beds rather than pre-spawn fish?
Shumaker's rule of thumb is location and catch rate: pre-spawn fish are still staging out in the current and mid-river structure, while fish on beds are in the shallower water along the banks and edges. If you're casting toward the bank and catching multiple fish in quick succession from the same area, you're almost certainly into bedding fish — the responsible move is to back off immediately.
What fly patterns are working for pre-spawn and spawn-transition smallmouth on the Susquehanna system?
Shumaker has been rotating through swim flies, Deceivers and Half-and-Halfs during the transition period. He notes the fish have been difficult to pattern because water temperatures have swung significantly day to day, so he's fishing a mixed approach rather than committing to a single presentation.
Why are Pennsylvania smallmouth tributaries unfishable this spring?
Low water has been the dominant story on the tributaries since roughly the second week of April. Despite brief bumps from rain events, levels drop back almost immediately. Shumaker notes that floating his raft requires getting out and dragging the boat 10 to 15 times per trip — making the main-stem Susquehanna and Juniata the practical choice for guided float fishing.
When is the best time to book a guided Pennsylvania smallmouth trip with Captain Shumaker?
Shumaker has openings in July, August and September, with a few days remaining in October. He identifies July through September as prime time for topwater popping bug fishing — in addition to streamers and crayfish patterns — while October offers cooler conditions for anglers who prefer that style of fishing.
How has this spring's weather affected the Pennsylvania smallmouth spawn?
An extended stretch of unseasonably warm temperatures — including 90-degree air temps — spiked water temperatures into the 70s accelerating the typical methodical, staged spawn and making consistent patterning of pre-spawn fish very difficult.
Related Content
S8, Ep 23 – Low Water Chronicles: Matt Reilly on Pre-Spawn Smallmouth Strategies and Seasonal Shifts
S7, Ep 33 – Nut Jobs and Chimichangas: A PA Smallmouth Update with Brendan Ruch
S7, Ep 36 – Central PA Fishing Report with George Costa of TCO Fly Shop
S1, Ep 97 – All Things Smallmouth with Mike Schultz
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