Spottail Shiner Life Cycle: The Historical Walleye Forage

Lake Erie's forage-fish story is bigger than a single species. Most modern Steelhead Alley conversation centers on emerald shiner because that is the documented steelhead diet anchor per the GLFC 2004 Coldwater Task Group study. But the historical record tells a parallel story: in the late 1950s and early 1960s, spottail shiner sat right alongside emerald shiner in Lake Erie walleye stomachs. USGS publications from that era document spottail as a major component of the walleye diet during spring and summer -- and even though current adult walleye quantitative spottail selectivity is not anchored to a contemporary diet study in our reference set, the historical evidence makes spottail a defensible walleye-targeting reference. This pillar walks Notropis hudsonius from egg through adult, ties each stage to angler-translation patterns, and is explicit about where the source record is historical and where current claims need Tier 1-3 anchors.

What this pillar is for

Two things, in tension. First, the historical walleye-on-spottail evidence is real and source-backed. USGS 1959/1960 year-class diet studies document spottail shiner alongside emerald shiner as the dominant spring/summer prey for the 1959 and 1960 Lake Erie walleye year classes. That historical anchor is the strongest predator-diet citation we have for spottail in Lake Erie. Second, modern Lake Erie monitoring no longer reports spottail at the species level for the soft-rayed forage pool -- the GLFC Lake Erie Forage Task Group's March 2026 report explicitly pools emerald shiner + rainbow smelt + spottail shiner together as "soft-rayed fish" in trawl-survey reporting. That pooling is a real methodological choice that means within-pool trends are not always visible at the FTG-row level.

This pillar's job is to honor both. The historical walleye anchor is published as Tier 3 USGS evidence and clearly labeled HISTORICAL. The modern soft-rayed-fish pooling is preserved as the caveat that spottail-specific abundance trends require disaggregated GLFC FTG data analysis, which is [source-required]. And the honest gap -- current adult walleye spottail selectivity and Lake Erie steelhead spottail selectivity -- is preserved as [source-required] rather than papered over.

Primary anchors:
USGS Nonindigenous Aquatic Species, Spottail Shiner (Notropis hudsonius) species profile (revised March 2015) -- Tier 3
USGS publication, "Selective food preferences of walleyes of the 1959 year class in Lake Erie" (historical) -- Tier 3
GLFC Lake Erie Forage Task Group, March 2026 -- Tier 1

Identity

• Common name: Spottail Shiner
• Scientific name: Notropis hudsonius
• Family: Leuciscidae (same family as emerald shiner per current USFWS classification). Older sources still list Cyprinidae.
• Native range: Atlantic and Gulf Slope drainages from the Merrimack River south to the Altamaha River in Georgia; Hudson Bay basin; Great Lakes basin; Mississippi River basin from Ontario west to the Mackenzie River drainage. Native through northern Ohio, southern Illinois, and northeastern Montana per USGS NAS (Tier 3).
• Working scope for this article: species-level, Lake Erie focus. Lake Ontario applicability is broadly implied by the native range but Lake-Ontario-tributary-specific claims are [source-required].
• Regional aliases (heuristic): "spottail" (generic shorthand), "shiner" (generic; can include emerald shiner + other Notropis species).

Identification field marks per USGS NAS: silvery body with pale-green back, white belly, large eye, and the diagnostic dark spot at the base of the caudal peduncle (the namesake feature -- this is the easiest way to separate spottail from emerald shiner at a glance, since emerald shiner has no dark caudal spot). Two distinct morphological forms are documented in the federal literature. Maximum length per USGS NAS is 15 cm (~6 in) -- slightly larger than emerald shiner's documented maximum of 13 cm. Commonly stocked as a forage fish in the broader US, indicating its long-recognized utility as bait and prey species.

Source:
USGS Nonindigenous Aquatic Species, Spottail Shiner species profile (revised March 2015) -- Tier 3

Lifecycle stage 1: Egg (spring spawning)

Stage summary: Spring-summer broadcast spawner over gravel/sand substrate in lakes and tributary mouths; eggs are demersal or semi-buoyant; no parental care, broadly consistent with other Notropis species.

Timing. Notropis hudsonius is a spring-summer broadcast spawner per general Notropis life-history references. Reported spawning temperature triggers in the general literature run roughly 60-77 deg F (16-25 deg C), with peak activity in late spring through early summer at southern-range latitudes. [source-required] for Lake Erie tributary specifics -- the broad spring-summer window is reasonable but the exact Lake Erie + Steelhead Alley tributary spawning peak weeks for spottail have not been anchored to a Tier 1-3 study in our reference set. Treat spring-summer as the working assumption; do not invent named dates.

Habitat. General Notropis life-history references describe spottail spawning over gravel and sand substrates in lakes and lower tributary reaches. Specific Lake Erie tributary spawning habitat for spottail is [source-required]; the broader USGS NAS species profile does not provide detailed habitat preferences in the excerpt available to this article.

Predator encounter notes. Eggs are not a documented Lake Erie predator prey item at the GLFC 2004 sampling scope for steelhead. Egg-stage predation by yellow perch and other panfish is plausible from broader fisheries literature but [source-required] at the Tier 1-3 level for spottail specifically.

Source-status labels for this stage: broadcast-spawning behavior is source-backed via general Notropis life-history references (Tier 3-5); temperature triggers and exact tributary timing are source-required; egg-stage predator selectivity is source-required.

Lifecycle stage 2: Larva

Stage summary: Hatched larvae are small (roughly 3-5 mm based on general Notropis literature); transparent; weak swimmers; drift in nearshore shallows; transition to active feeding on zooplankton within days to weeks.

Size. Hatch-stage larvae for Notropis species are reported at roughly 3-5 mm in general life-history references. Larval/post-larval growth is rapid in summer. Spottail-specific larval size data for Lake Erie populations is [source-required] at Tier 1-3.

Habitat. Larval spottail shiners use nearshore shallows and tributary mouths as nursery habitat, broadly consistent with other Notropis species. Specific Lake Erie tributary larval-stage habitat documentation for spottail is [source-required].

Predator encounter notes. Larval shiners are below the gape-limit of adult steelhead and walleye, and are not in the GLFC 2004 documented prey items at the sampling scope. They are vulnerable to yellow perch fry, juvenile smallmouth, and other shallow-water planktivores, but quantitative Lake Erie selectivity is [source-required] at Tier 1-3.

Source-status labels for this stage: larval size + zooplankton-feeding transition is source-backed via general Notropis life-history (Tier 3-5); Lake Erie tributary larval-stage habitat is source-required; predator selectivity on larval spottail is source-required.

Lifecycle stage 3: Juvenile (Age 0 dispersal)

Stage summary: Age 0 young-of-year by autumn of their first summer; Age I shiners by their second summer. This is the size class that drives the historical walleye-on-spottail selectivity in the USGS year-class evidence.

Size. Spottail Age 0 and Age I size data specific to Lake Erie is not anchored in our reference set at the granular level Atkinson et al. 2015 provides for emerald shiner. General Notropis life-history references suggest Age 0 YOY in the roughly 0.5-1.5 in range and Age I in the roughly 1.5-3 in range; Lake-Erie-specific spottail size-at-age is [source-required] at Tier 1-3.

Habitat. Per USGS NAS, spottail shiners are pelagic and nearshore baitfish in the Great Lakes basin. Juvenile dispersal moves Age 0 and Age I spottail through nearshore and tributary-mouth zones in summer and fall. Specific Lake Erie sub-basin proportions (nearshore vs offshore) for spottail juveniles are [source-required].

Diet. Tier 3 USGS historical evidence anchors the juvenile spottail diet for Western Lake Erie: per the USGS publication "Food of forage fishes in western Lake Erie, 1975-76", spottail diet was dominated by Cladocera + Copepoda + Diptera + Ostracoda + Amphipoda + Algae. That is a forage-fish-diet baseline for the 1975-76 sampling window; current Lake Erie spottail diet selectivity at the sub-adult level is [source-required] for a contemporary anchor.

Predator encounter notes -- the historical walleye anchor. This is where the spottail story matters most. Two USGS historical publications document the 1959 and 1960 Lake Erie walleye year classes feeding heavily on spottail shiner:

• USGS, "Selective food preferences of walleyes of the 1959 year class in Lake Erie" (Tier 3 historical): 1959 walleyes were dominated by yellow perch then spottail + emerald shiners. 1960 walleyes fed mostly on yearling spottail + emerald shiners in spring/summer, with young alewives becoming dominant in fall.
• USGS, "Food of young-of-the-year walleyes in Lake Erie" (Tier 3 historical): YOY walleyes in extreme western Lake Erie shifted prey items seasonally, with emerald shiner becoming dominant in fall after summer feeding on gizzard shad and alewives. Spottail figures in the same broad historical year-class diet evidence.

These are HISTORICAL records. Lake Erie has changed substantially since 1960 -- round goby invaded after 1993, dreissenid mussel populations have transformed the food web, and walleye year-class strength has cycled through multiple peaks and troughs. Current adult Lake Erie walleye quantitative spottail-diet selectivity is [source-required] at Tier 1-3 -- the historical 1959/1960 anchor supports the historical-era claim but does not by itself prove current selectivity.

Source-status labels for this stage: juvenile diet (Cladocera + Copepoda + Diptera + Ostracoda + Amphipoda + Algae) is source-backed via USGS 1975-76 (Tier 3 historical); historical walleye-on-spottail selectivity is source-backed via USGS 1959/1960 (Tier 3 historical); current adult walleye spottail selectivity is source-required; Lake Erie size-at-age for spottail is source-required.

Sources for this stage:
USGS publication, "Selective food preferences of walleyes of the 1959 year class in Lake Erie" (historical) -- Tier 3
USGS publication, "Food of young-of-the-year walleyes in Lake Erie" (historical) -- Tier 3
USGS publication, "Food of forage fishes in western Lake Erie, 1975-76" -- Tier 3

Lifecycle stage 4: Adult (max ~15 cm)

Stage summary: Spottail adults reach a maximum length of 15 cm (~6 in) per USGS NAS -- slightly larger than emerald shiner's documented maximum of 13 cm. This is the size class that matters most for adult-class shiner-imitation streamers and for adult predator-prey relationships.

Size. Maximum length 15 cm (~6 in) per USGS NAS (Tier 3). Two distinct morphological forms documented in the federal literature. Indeterminate growth -- shiners continue to grow throughout life, though more slowly past Age II. Lake-Erie-specific size-at-age data for adult spottail at the precision Atkinson et al. 2015 provides for emerald shiner is [source-required].

Habitat. Per USGS NAS, spottail is broadly a Great Lakes basin nearshore and pelagic baitfish, occupying similar habitats to emerald shiner. Lake-Erie-specific habitat documentation for spottail beyond the GLFC FTG "soft-rayed fish" trawl-survey pooling is [source-required]. Spring nearshore + tributary mouth movement is broadly consistent with the NYSDEC-documented emerald-shiner spring window (April-May) but a spottail-specific Lake Erie spring-window citation has not surfaced in our reference set.

Predator encounter notes -- the modern picture. Two important framings:

• Steelhead diet. The GLFC 2004 Coldwater Task Group steelhead diet study (Tier 1, n=349 stomachs) documents emerald shiner, rainbow smelt, round goby, and juvenile yellow perch as the dominant baitfish prey items in Lake Erie steelhead diet. Spottail shiner does NOT appear in the GLFC 2004 top documented prey items. That is a real honest gap: spottail-pattern streamers for steelhead are a defensible translation parallel to emerald-shiner-pattern streamers (both are Notropis baitfish in similar habitat), but the Lake-Erie-specific steelhead diet anchor for spottail is weaker than for emerald shiner.
• Walleye diet. The strongest source-backed predator anchor for spottail is the USGS 1959/1960 historical year-class evidence (above). Current adult walleye quantitative spottail-diet selectivity is [source-required]. Treat spottail-imitation streamers for walleye as a defensible historical-anchor choice, not a current-era quantitative anchor.

Source-status labels for this stage: maximum size (15 cm) is source-backed via USGS NAS; broad Great Lakes nearshore + pelagic habitat is source-backed via USGS NAS; historical walleye selectivity is source-backed via USGS 1959/1960 (Tier 3 historical); current adult walleye selectivity is source-required; Lake Erie steelhead quantitative spottail selectivity is source-required (NOT in GLFC 2004 top items).

Historical walleye-on-spottail evidence spotlight (USGS 1959/1960)

The spottail story turns on this evidence, so it deserves its own section. In the late 1950s and early 1960s, USGS researchers sampled Lake Erie walleye stomachs from successive year classes. Two publications documented the results:

• 1959 year class: the dominant prey was yellow perch, followed by spottail + emerald shiners. This was the documented baseline diet for Lake Erie walleye at that historical sampling scope.
• 1960 year class: walleyes fed mostly on yearling spottail + emerald shiners in spring/summer, with young alewives becoming dominant in fall. Spottail and emerald shiner were the two dominant spring/summer shiner-genus prey items.

What this evidence supports:

1. Spottail shiner was a major historical Lake Erie walleye forage species in the late 1950s and early 1960s.
2. Spottail shared the forage role with emerald shiner -- they were not alternatives but co-occurring prey items.
3. Yearling (Age I) spottail was the dominant size class consumed -- which means the adult-class spottail population was the producer of the consumed yearlings; predation was concentrated on the Age I cohort.

What this evidence does NOT support:

1. It does not prove current adult walleye spottail selectivity. Lake Erie's food web has changed substantially -- round goby invasion after 1993, dreissenid mussel transformation of zooplankton dynamics, alewife decline followed by other forage shifts. Current Lake Erie walleye diet studies at the Tier 1-3 quantitative level have not surfaced in our reference set for spottail specifically.
2. It does not prove current Steelhead Alley tributary-specific spottail run timing or distribution. The 1959/1960 studies sampled lake walleye, not tributary forage fish directly.
3. It does not prove Lake Erie steelhead spottail selectivity. The historical walleye-year-class evidence is about walleye, not about steelhead.

That distinction matters. Treat the USGS 1959/1960 evidence as the strongest source-backed predator-diet anchor for spottail in Lake Erie, and clearly label it HISTORICAL when surfacing it on commerce or article pages.

Why this matters for anglers

Spottail occupies a specific role in the Lake Erie shiner-and-smelt steelhead forage assemblage. Per the GLFC Lake Erie Forage Task Group's March 2026 report (Tier 1), multi-agency trawl surveys pool emerald shiner + rainbow smelt + spottail shiner together as "soft-rayed fish". That pooling is methodological: at the FTG-row level, within-pool species trends are not always separately visible. When the soft-rayed-fish row shows a multi-year decline, that decline could be driven by emerald shiner, spottail shiner, rainbow smelt, or any combination -- disaggregated species-level reporting requires deeper analysis of the underlying agency data.

Practical implications for Steelhead Alley anglers:

• Spottail-pattern streamers parallel emerald-shiner-pattern streamers. Both species are white/silver/pearl Notropis baitfish in similar Lake Erie habitats. A white/silver/pearl Clouser, Sparkle Minnow, or Zonker imitates both. The dark caudal-peduncle spot is a visual identifier for taxonomic ID; anglers do not tie patterns specifically replicating it.
• Walleye-targeting is the strongest historical use case. The USGS 1959/1960 historical evidence supports spottail-imitation streamers and jigs for walleye during spring/summer windows when shiners are present in the system. This is a historical anchor; current adult walleye selectivity is [source-required].
• Steelhead-targeting is a defensible translation, not a quantitative anchor. Lake Erie steelhead diet at the GLFC 2004 sampling scope does NOT center spottail. Spottail-pattern streamers for steelhead work because they imitate the broader white/silver/pearl baitfish profile that includes the documented emerald shiner anchor, not because spottail itself is in the steelhead diet top items.
• Soft-rayed-fish pool monitoring caveat. If you read GLFC FTG annual reports and the soft-rayed-fish row is trending down, do not assume that means spottail specifically is declining. The pool combines three species; disaggregation requires reading the underlying agency methodology and data tables.

Color and presentation: white / silver / pearl is the baseline shiner-imitation profile. Chartreuse + flash is the stained-water visibility heuristic; olive back / silver belly is a closer match in clearer water. See our angler-translation reference for the broader size-to-hook + color/clarity mappings.

Curator's Picks

Four patterns from our gear set that map to the spottail shiner lifecycle. The streamer set is the same shiner-pattern rotation used for emerald-shiner imitation -- spottail-pattern fishing parallels emerald-shiner-pattern fishing in pattern and presentation, with the distinguishing field-mark being the dark caudal-peduncle spot at the base of the tail rather than any tying difference.

• Clouser Minnow (white/silver Pearl). The canonical baitfish streamer. Hook size 2-6 covers adult-class spottail; max spottail length is 15 cm (~6 in) per USGS NAS. Use this pattern as the primary walleye-targeting streamer under the USGS 1959/1960 historical-anchor lane, and as a defensible-translation steelhead pattern under the shared soft-rayed-fish pooling context.
• Tigofly weighted Zonker streamer. Broader baitfish silhouette for shiner-imitation work. Weighted for swing presentation through current breaks at tributary mouths. Pairs well with walleye-targeting in spring/summer windows when historical USGS evidence anchors the diet selectivity.
• Articulated Sparkle Minnow. The larger / flash-heavy variant. Articulation gives wider swim profile and matches the upper end of the adult spottail size range (closer to the 15 cm / ~6 in max). Flash density helps in stained-water conditions per the angler-translation chartreuse + flash heuristic.
• Brass beadhead glo-bug + assorted nymph kit. The complementary egg-availability bookend. Not a shiner-imitation pattern itself, but the kit gives entry-level coverage for the broader lifecycle-stage education theme. Western Lake Erie 1975-76 spottail diet was dominated by Cladocera + Copepoda + Diptera + Ostracoda + Amphipoda + Algae per USGS historical evidence -- the beadhead nymph variety covers incidental small-prey cues. Use this kit as the budget on-ramp for new anglers building toward the shiner-pattern streamer rotation.

Honest gaps -- what this pillar cannot yet say at Tier 1-3

Several things you might want from this article -- and that we will not invent -- remain [source-required] at the Tier 1-3 level:

• Current adult Lake Erie walleye quantitative spottail selectivity. The USGS 1959/1960 evidence is HISTORICAL. A contemporary ODNR or GLFC adult walleye diet study with spottail-specific quantitative selectivity has not surfaced in our reference set.
• Lake Erie steelhead quantitative spottail selectivity. The GLFC 2004 Coldwater Task Group study top documented prey items are emerald shiner, rainbow smelt, round goby, and juvenile yellow perch. Spottail is NOT in the top items. Distinct steelhead-on-spottail evidence beyond the pooled soft-rayed-fish numbers is [source-required].
• Named-Steelhead-Alley-tributary spottail distribution. Conneaut, Chagrin, Grand, Rocky, Cattaraugus, Elk, Walnut tributary-specific spottail presence and seasonal movement has not been anchored to peer-reviewed or state-agency citations in our reference set.
• Lake Erie spottail spawning timing and thermal trigger. Reasonable to assume spring-summer broadcast spawning over gravel/sand substrate based on general Notropis life-history; Lake-Erie-tributary-specific peak weeks are [source-required].
• Lake-Erie-specific spottail size-at-age. Atkinson et al. 2015 provides this for emerald shiner; a comparable Lake Erie peer-reviewed study for spottail has not surfaced in our reference set.
• Lake-Erie-specific habitat preferences for spottail. Depth, substrate, nearshore vs offshore distribution patterns for Lake Erie spottail beyond the GLFC FTG soft-rayed-fish pooling are [source-required].
• Disaggregated GLFC FTG spottail-specific abundance trends. The decade-low abundance trend documented for emerald shiner does NOT directly transfer to spottail at the FTG row level; the soft-rayed-fish pool combines three species and requires deeper data analysis to separate within-pool species trends.
• Lake Ontario tributary applicability. Broadly implied by the Great Lakes basin native range but Lake-Ontario-tributary-specific claims for spottail are [source-required].
• Quantitative cold-water predator (lake trout / brown trout) spottail selectivity. General fisheries literature lists spottail as a prey species for these predators; Lake-Erie-specific quantitative diet share is [source-required].

If you have access to studies that close any of these gaps, send them to us. The library grows when source-backed evidence does.

The pooling caveat -- preserve this framing

This is the honest piece of the article that has to land before any commerce surface promotes spottail-pattern gear. Per the GLFC Lake Erie Forage Task Group's March 2026 report, multi-agency trawl-survey monitoring pools emerald shiner + rainbow smelt + spottail shiner together as "soft-rayed fish" at the FTG-row level. That pooling is real:

• Within-pool species trends are not always visible at the FTG-row level. If the soft-rayed-fish pool trends down, that could be emerald shiner declining, spottail declining, rainbow smelt declining, or some combination.
• The well-documented emerald shiner decade-low abundance trend does NOT directly transfer to spottail. Spottail-specific abundance status requires disaggregated GLFC FTG data analysis.
• Treat soft-rayed-fish pool monitoring as the working framework: it tells you the broader Lake Erie soft-rayed-baitfish complex status, not the spottail-only status.

Practical implications: when planning a spottail-imitation streamer trip for walleye (the historically-anchored use case), the soft-rayed-fish pool monitoring is the closest available current proxy for spottail availability. Treat current spottail availability claims as inferential from the pooled data unless disaggregated species-level reporting surfaces.

Source for the pooling caveat:
GLFC Lake Erie Forage Task Group, March 2026 -- Tier 1

The takeaways

What is spottail shiner? Notropis hudsonius (family Leuciscidae, per current USFWS classification) is a Great Lakes basin native baitfish with a distinctive black spot at the base of the caudal peduncle. Maximum length is 15 cm (~6 in) per USGS NAS, slightly larger than emerald shiner. Native range spans Atlantic and Gulf Slope drainages south to Georgia, Hudson Bay, the Great Lakes, and the Mississippi River basin.

Why does it matter for anglers? Historical Lake Erie walleye forage anchor: USGS 1959/1960 year-class diet studies document walleyes feeding heavily on yearling spottail + emerald shiners in spring and summer. That is the strongest source-backed predator-diet anchor for spottail in Lake Erie. Modern Lake Erie monitoring pools spottail with emerald shiner + rainbow smelt as "soft-rayed fish" per GLFC FTG (Tier 1).

The honest gap: Lake Erie steelhead diet at the GLFC 2004 sampling scope does NOT center spottail; the top documented steelhead prey items are emerald shiner, rainbow smelt, round goby, and juvenile yellow perch. Spottail-pattern streamers for steelhead are a defensible translation parallel to emerald-shiner-pattern streamers but the predator-diet anchor for spottail is weaker than for emerald shiner.

Lifecycle to angler-translation: egg and larva stages are not directly-targeted by adult predator anglers; Age 0 YOY and Age I match smaller streamers (size 6-10) for incidental walleye + steelhead targeting; adult-class spottail (closer to 15 cm / ~6 in max) matches size 2-6 white/silver/pearl streamers -- Clouser Minnow, Tigofly Zonker, Articulated Sparkle Minnow. The dark caudal-peduncle spot is a visual identifier, not a tying feature.

Honest caveat: the USGS 1959/1960 walleye evidence is HISTORICAL. Current adult walleye spottail selectivity is [source-required]. Modern soft-rayed-fish pooling means within-pool species trends require disaggregated data analysis.

Why we're publishing this

SHA is building toward being the authoritative Lake Erie steelhead biology + forage library. Most fishing content treats "shiner" as a generic baitfish without distinguishing emerald shiner from spottail shiner, and without honoring the historical-vs-current distinction in the predator-diet evidence. This pillar separates spottail from emerald shiner with the diagnostic caudal-peduncle field-mark, anchors the historical Lake Erie walleye selectivity to the Tier 3 USGS 1959/1960 publications, anchors the modern soft-rayed-fish pooling to the Tier 1 GLFC FTG March 2026 report, and is explicit that current adult walleye selectivity and Lake Erie steelhead spottail selectivity are [source-required] at Tier 1-3. That discipline is what we want behind every biology pillar on the site.

Full source list

Image credits and licensing

This article uses a combination of public-domain federal-source and SHA-original images. Every image is credited to its source with a link back to the original. Source-cited attribution is part of what we mean by an authoritative library.

• Hero / featured image -- Spottail Shiner (Notropis hudsonius). Image from USGS Nonindigenous Aquatic Species, Spottail Shiner species profile. Federal-source public domain.

If you are a rights-holder and believe an image attribution needs correction, contact us at SHA -- we will fix it promptly.

Continue learning

This pillar is one node in the SHA Lake Erie biology library. Continue with these source-anchored pillars:

• Emerald Shiner Life Cycle: The Primary Lake Erie Steelhead Forage -- the documented Lake Erie steelhead forage anchor per GLFC 2004 Coldwater Task Group (47.7% frequency / 57.71% biomass). The sibling Notropis species and the primary modern shiner story; spottail is the historical-walleye complement.
• Rainbow Smelt Life Cycle -- the second documented Lake Erie steelhead forage item per GLFC 2004 (~24% biomass). The third member of the GLFC FTG "soft-rayed fish" pool that includes emerald shiner + spottail shiner.
• Steelhead Alley Forage Briefing -- what Lake Erie steelhead actually eat per the GLFC 2004 Coldwater Task Group diet study. Source-anchored at Tier 1. The cross-species briefing that puts the documented baitfish anchor set in context.
• The Goby Takeover -- how the post-1993 round goby invasion rewrote the Lake Erie smallmouth bass diet from 53.5% crayfish to 64% round goby. Direct comparison with the historical-vs-current shift documented for the shiner forage species.
• The Steelhead Alley Seasonal Calendar -- the annual rhythm placing spottail shiner in the seasonal forage picture.