Margariscus margarita
The Allegheny pearl dace (Margariscus margarita) is a small, silvery minnow native to clear, cool freshwater streams of the Allegheny River basin. It is prized by anglers for its abundance and as a feeder fish rather than for sport or food, making it a common target for light‑tackle fishing.
Family
Leuciscidae
Max Size
16 cm
Habitat
freshwater
Climate
temperate
Best Season
Spring (April–June) and early summer (July)
Best Time
Early morning or late evening
No distribution map available
Allegheny River – Ohiopyle Stretch
USAClear riffles and pools of the Allegheny River near Ohiopyle State Park host abundant populations of Allegheny pearl dace, especially in spring runoff.
Best: April-June
Upper Ohio River – Parkersburg Reach
USAThe upper Ohio River's rocky substrates and moderate flow provide ideal habitat; anglers find the dace in mid‑river pools.
Best: May-July
Youghiogheny River – Confluence with Casselman
USAA tributary stretch where the Youghiogheny meets the Casselman offers cooler water and abundant benthic insects, attracting pearl dace.
Best: September-October
Laurel Fork – Monongahela National Forest
USAA remote high‑gradient stream with deep pools and overhanging vegetation; requires careful micro‑habitat targeting.
Best: June-August
Lake Erie Tributary – Niagara River Mouth
CanadaThe Niagara River's lower reaches and adjacent Lake Erie tributaries hold dense populations during spring spawning runs.
Best: May-June
Kanawha River – Charleston Section
USAModerate flow and gravel beds near Charleston support healthy dace numbers; accessible from city parks.
Best: April-May
Best bait: Live insects, small earthworms, or daphnia