Currentseams Q&A: Greased line swings, lateral lines, and finding flies in dirty water

Happy Monday. We’re back and at it, and it feels good! This question comes from new subscriber Travis. It’s a good one, and since the answer is not simple, I thought I’d share it. Question: After listening to your Saltwater Edge podcast episode, you’ve motivated me to start trying out greased line swings and other similar presentations for stripers in my local estuary. This article brought up similar concerns I have about this tactic where I fish because the water is quite stained while still being mostly salt. How do the stripers’ lateral lines function in regards to a dead drift or swing presentation? Does this method require the fly to be that close that it goes by their face like a trout, is there vision better than we give them credit for in murk or are their lateral lines more sensitive than always needing a strip retrieve? Still trying to get one on the swing.

Answer: I could write a lengthy chapter to answer. But rather than over-complicate, let’s simplify. The conditions are stained water with poor visibility. The first question is how do the striper’s lateral lines function in regards to a dead drift or swing presentation? My reaction response is, danged if I know. My second response, while sounding facetious, is actually an attempt at serious: probably the way they always do. But I know where Travis is going with this. What’s he’s asking is, how do stripers find a fly in murky water? Do they see it? Do they rely on their lateral line? Does the fly need to be moving for them to find it?

Here’s what I can tell you. I fish a couple estuaries where the water, at best, is the color of tea, and perhaps most of the time is more like tea and milk. That is, lousy visibility. The bait is grass shrimp about an inch-and-a-half long. Every time I go, I hear the pops of bass feeding. So, I know they’re finding the naturals in stained water in the dark. Now, I don’t know if they’re finding the bait through vision or their lateral line or a combination of the two. But I do know that they can and will find my grass shrimp flies, which could hardly be described as patterns that — and I’ll use a phrase that generally drives me bonkers — “push water.” These flies are swung or dangling in the current. Sometimes the hits come when I ‘m pulling in over a hundred feet of line and backing. But mostly it’s on the swing and dangle.

Exhibit A: All of these flies are small. All of them have produced stripers, on static presentations, even in stained water. I fish them with confidence on the swing or dangle with a floating line because I know they work, and I know I am presenting the flies in a manner in which the naturals are being eaten.

I don’t know how the bass are finding my flies; I might even suggest that it doesn’t matter, because they are finding my flies, just as they find my skinny sand eel flies at night on the dark of the moon in the whitewater wash of a pounding surf. I fish bigger flatwings in the spring in a different estuary system where the water is frequently stained. Granted, those are much bigger patterns, but the presentation is still a natural drift, swing, or static dangle; regardless, the bass find those flies.

What Travis is really asking for, I believe, is permission to believe that the bass will find his flies in murky water. Permission granted. But ultimately, the permission has to come from you, Travis — and the only way to obtain it is to get out there and fish. Hope that helps!

Exhibit B: flatwing found in lightly stained water.

Striper Report: All you can eat (grass shrimp)!

Last week, while you were asleep — certainly some of you were, as the tide widows crept into the wee hours — I was banging around several marshes and estuaries looking for stripers feeding on grass shrimp. I found substantial numberqs of grass shrimp in every mark I visited, and varying numbers of bass. Grass shrimp are present year round, but they spawn when the water warms, and it’s getting to be that time of year. You can find grass shrimp swimming around if you shine your light in the shallows, but they mostly prefer to skulk along the bottom. They’re translucent creatures, so they’re not as easy to see as, say, a green crab. Their eyes reflect your headlamp beam, so that’s an easy way to spot them.

I see your beady little eyes. These guys are in less than six inches of water.

I almost always fish the grass shrimp swarm with a team of three. The patterns vary, and sometimes I’ll throw a clam worm like the Orange Ruthless into the mix, but last week I fished a deer-hair head on top dropper, a black General Practitioner on middle dropper, and Micro Gurgling Shrimp on point. I took fish on all three flies, although I was intrigued that I only caught bass on the black GP on the one night when I had bright moonlight. (The lessons are never-ending.) The fish weren’t very large — 20″ was the best I could manage — but I could tell from some of the feeding pops that there were bigger bass around.

My most recent three-fly grass shrimp team. L-R: Black GP, Caddis Shrimp, Micro Gurgling Shrimp. This gives you a good idea of the size of the naturals, which are the size of these flies or smaller. Note that none of these flies attempt to be a carbon-copy of the actual bait. They’re simply designed to match size and profile, to look alive, and create a favorable impression on the stripers. Ultra-realistic flies are to be admired for their craftsmanship, but not necessarily for their fish-catching ability.

R.L.S. Black General Practitioner

What’s the best shrimp fly pattern? You could go with the philosophy of, “There ain’t no best,” and you’d get no argument from me. Or you could weigh in with the General Practitioner — and you wouldn’t be wrong.

General Practitioner = G.P. = Impressionistic shrimpy goodness.
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Trey Combs writes in Steelhead Fly Fishing that the original prawn was tied by Colonel Esmond Drury in 1953. The General Practitioner then got really famous as a west coast winter steelhead pattern. Today there are all manner of versions and colors; this one is a variant developed by Ken Abrames as published in A Perfect Fish.

Ken introduced me to the pattern many years ago. He handed me a black G.P., and with a knowing confidence, told me to fish it as part of a three fly team. Sadly, I’ve long since lost that fly, but I still have one of Ken’s olive G.P.s. tucked away in the never-to-be fished-again archives. When tied just so, G.P.s are magical creations that bask in their impressionistic glory. Picture this fly near the surface on a greased line swing or a dead drift, easily visible to a striped bass even in the mucky outflow of a salt marsh. Wait to feel the weight of the fish — and then hang on. Stripers love shrimp, and when they are keyed on this bait, feeding on station, they will often ignore all other offerings and stripped presentations.

R.L.S. Black General Practitioner

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Hook: Atlantic salmon 2-8
Antennae: Black and blue bucktail, mixed
Head: Black golden pheasant neck feather
Eyes: Golden pheasant tippet
Body: Gold flat tinsel
Ribbing: Gold oval tinsel
Hackle: Natural black
Carapace: Metallic black turkey feather
Back: Same
Tail: Same
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A view from below. You can imagine all those hackle fibers gently quivering in the current and whispering to a striper, “I’m alive…”

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Tying Notes: Ken called for an Eagle Claw 253, but I like the badass black of Atlantic salmon hooks. No gots turkey feathers? Me either, so I used dyed black pheasant rump. The majority of the black G.P.s I’ve seen use far too much bucktail; remember, you’re tying the antennae of a grass shrimp (the steelhead pattern calls for 10 bucktail hairs; I used 20) not an opaque jig. To form the eyes, cut a V-shape in the tippet and then lacquer with head cement. The “eye stalks” will narrow from the head cement. You don’t have to use the tinsels; gold braid works just as well. The body and top feathers are somewhat of a pain; tie in the carapace at the tail, then tie and wind the tinsel and hackle to the mid-point of the shank, tie in the back (like a little roof), continue forward with the tinsel and hackle, then tie in the tail feather, again like a little roof. Make a spiffy head and go fish.