Splake fishing

Salvelinus namaycush x Salvelinus fontinalis. Hybrid cross between lake trout and brook trout; unlike most hatchery hybrids, splake are fertile and can reproduce.

Splake fishing uses a small spoon or a nightcrawler with a medium power spinning rod. Splake are maintained mostly through hatchery stocking as fingerlings, though the cross is unusual among hatchery hybrids in being fertile rather than sterile.

Published by Fishypedia · Sources last checked September 19, 2026

Drafted by AI from the cited sources and checked before publishing.

Photo of a Splake
Angelena Sikora, USFWS Midwest Region
Active times
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Line
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Hook sizes
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Stocked in
8 states
Peak in MI
May

Identification

  • Hybrid cross between lake trout and brook trout; unlike most hatchery hybrids, splake are fertile and can reproduce.
  • Dark background with light spots; the tail is not as deeply forked as a lake trout's, sometimes nearly square like a brook trout's.
  • Grows quickly, reportedly reaching about 18 inches within two years of being stocked as a fingerling.
  • Coloration and habits vary fish to fish: some resemble drab, deep-holding lake trout, others bright, shallow-holding brook trout.

Sources: wildlife.utah.gov, accessed September 19, 2026 , nas.er.usgs.gov, accessed September 19, 2026 , en.wikipedia.org, accessed September 19, 2026

Top lures

Small spoon spoon · silver/gold/orange
Small inline spinner spinner · silver/gold
Streamer fly fly · white/olive/black

Sources: wildlife.utah.gov, accessed September 19, 2026 , cpw.state.co.us, accessed September 19, 2026

Top baits

Nightcrawler
Cut bait or dead minnow (where legal)

Fished near bottom or under a bobber.

Sources: wildlife.utah.gov, accessed September 19, 2026

Line & tackle

Depth by season

Spring

Fish generally use nearshore areas, similar to brook trout habits.

Summer

Fish move to deeper, cooler water as the lake warms, similar to lake trout habits.

Fall

Fish return to nearshore areas as the lake cools, similar to the spring pattern.

Sources: nas.er.usgs.gov, accessed September 19, 2026

Stocked behavior

Splake are maintained mostly through hatchery stocking as fingerlings, though the cross is unusual among hatchery hybrids in being fertile rather than sterile. They grow quickly once stocked, reportedly reaching about 18 inches within two years, and individual behavior varies between the deep-holding habits of a lake trout and the shallower, nearshore habits of a brook trout.

Sources: nas.er.usgs.gov, accessed September 19, 2026 , en.wikipedia.org, accessed September 19, 2026

Common mistakes

  • Assuming a hybrid is sterile; at Hog Park Reservoir, Wyoming, splake accidentally stocked once in the 1980s still persist through natural spawning.
  • Judging size by age; in the Intermountain West, splake grow much slower and live a very long time, with fish approaching 30 years old recorded in Wyoming.

Best time to fish Splake

Most commonly stocked in May in Michigan, based on 799 stocking events on record.

Jan: 0 stocking events Jan Feb: 0 stocking events Feb Mar: 29 stocking events Mar Apr: 257 stocking events Apr May: 421 stocking events May Jun: 65 stocking events Jun Jul: 3 stocking events Jul Aug: 0 stocking events Aug Sep: 11 stocking events Sep Oct: 13 stocking events Oct Nov: 0 stocking events Nov Dec: 0 stocking events Dec

Most commonly stocked in May in New York, based on 170 stocking events on record.

Jan: 0 stocking events Jan Feb: 0 stocking events Feb Mar: 0 stocking events Mar Apr: 49 stocking events Apr May: 104 stocking events May Jun: 6 stocking events Jun Jul: 0 stocking events Jul Aug: 0 stocking events Aug Sep: 0 stocking events Sep Oct: 8 stocking events Oct Nov: 3 stocking events Nov Dec: 0 stocking events Dec

Most commonly stocked in June in Utah, based on 123 stocking events on record.

Jan: 0 stocking events Jan Feb: 0 stocking events Feb Mar: 0 stocking events Mar Apr: 0 stocking events Apr May: 13 stocking events May Jun: 47 stocking events Jun Jul: 33 stocking events Jul Aug: 11 stocking events Aug Sep: 13 stocking events Sep Oct: 6 stocking events Oct Nov: 0 stocking events Nov Dec: 0 stocking events Dec

Most commonly stocked in July in Wyoming, based on 90 stocking events on record.

Jan: 0 stocking events Jan Feb: 0 stocking events Feb Mar: 0 stocking events Mar Apr: 1 stocking event Apr May: 8 stocking events May Jun: 25 stocking events Jun Jul: 33 stocking events Jul Aug: 11 stocking events Aug Sep: 12 stocking events Sep Oct: 0 stocking events Oct Nov: 0 stocking events Nov Dec: 0 stocking events Dec

Where it's stocked

State records

State Weight Angler Water Year
Colorado 18.94 lbs Robin Perkins Island Lake (Delta County) 1976
Idaho 10.78 lbs Brian Allison Ririe Reservoir 2006
Michigan 17.5 lbs – Lake Michigan - Big Bay De Noc, Delta County 2004
Utah 17 lbs. 4 oz. Stacy S. Willden Fish Lake 2006
Wisconsin 17 lbs. 14.5 oz. – Green Bay, Marinette County 2002
Wyoming 13.60 lbs. Shawn Vanwey - Cheyenne, WY North Crow Reservoir, Albany County 2011

Common questions

What lures work for Splake?

Small spoon, a spoon in silver, gold, and orange. Small inline spinner, a spinner in silver and gold. Streamer fly, a fly in white, olive, and black.

What bait works for Splake?

Nightcrawler. Cut bait or dead minnow (where legal): Fished near bottom or under a bobber.

Where do Splake hold?

Spring: Fish generally use nearshore areas, similar to brook trout habits. Summer: Fish move to deeper, cooler water as the lake warms, similar to lake trout habits. Fall: Fish return to nearshore areas as the lake cools, similar to the spring pattern. Winter: Fish continue to use nearshore areas through the winter months.

How big do Splake get?

The Colorado record is 18.94 lbs from Island Lake (Delta County) in 1976. The Idaho record is 10.78 lbs from Ririe Reservoir in 2006. The Utah record is 17 lbs. 4 oz. from Fish Lake in 2006. 3 more state records are on this page.

Sources (13) +