Splake
A hatchery-bred hybrid of brook trout and lake trout, stocked for its fast growth and hardiness in waters unsuited to either parent species alone.

- Scientific name
- Salvelinus fontinalis × Salvelinus namaycush
- Family
- Salmonidae
- Adult size
- Typically 12–18 inches in stocked fisheries.
Identification
Intermediate between its parent species: a lake-trout-like squarish tail combined with brook-trout-like pale vermiculated markings.
Habitat
Lakes and reservoirs, tolerating a somewhat broader range of conditions than lake trout alone.
Diet
Insects and small fish.
Angling
Managed purely as a put-and-take hatchery fishery — splake do not naturally reproduce.
Where Splake is stocked
When Splake is stocked
Top Splake waters
Fish Lake
SEVIER County · 9 species · 1940 records
Last stocked July 2026
Panguitch Lake
GARFIELD County · 8 species · 1109 records
Last stocked May 2026
Jordanelle Reservoir
WASATCH County · 8 species · 710 records
Last stocked July 2026
Hyrum Reservoir
CACHE County · 12 species · 682 records
Last stocked May 2026
East Canyon Reservoir
MORGAN County · 6 species · 635 records
Last stocked April 2026
Navajo Lake
KANE County · 6 species · 562 records
Last stocked July 2026
Smith Morehouse Reservoir
SUMMIT County · 6 species · 407 records
Last stocked July 2026
Lost Creek Reservoir
MORGAN County · 6 species · 365 records
Last stocked June 2026
Kents Lake Middle
BEAVER County · 5 species · 334 records
Last stocked June 2026
Joes Valley Reservoir
EMERY County · 5 species · 299 records
Last stocked June 2026
Moon Lake
DUCHESNE County · 7 species · 298 records
Last stocked July 2026
Koosharem Reservoir
SEVIER County · 5 species · 283 records
Last stocked March 2026
Posey Lake
GARFIELD County · 6 species · 235 records
Last stocked July 2026
Puffer Lake
BEAVER County · 4 species · 220 records
Last stocked July 2025
Causey Reservoir
WEBER County · 7 species · 214 records
Last stocked May 2026
Deep Lake
SEVIER County · 5 species · 192 records
Last stocked June 2026
Twin Lake
SANPETE County · 5 species · 182 records
Last stocked June 2026
Millsite Reservoir
EMERY County · 4 species · 164 records
Last stocked July 2026
Mill Meadow Reservoir
SEVIER County · 13 species · 162 records
Last stocked May 2026
Porcupine Reservoir
CACHE County · 8 species · 146 records
Last stocked June 2026
Blind Lake Nbs
WAYNE County · 6 species · 145 records
Last stocked July 2026
Dons Lake
GRAND County · 3 species · 140 records
Last stocked June 2026
Box Creek Reservoir Upper
PIUTE County · 5 species · 130 records
Last stocked April 2026
Forsyth Reservoir
SEVIER County · 9 species · 130 records
Last stocked October 2025
Frequently asked
Where is Splake stocked?
Splake is stocked in 52 waters across 3 states: Utah, New York, Montana.
When is Splake stocked?
Splake is typically stocked in summer, most often in July, based on records across every state that stocks it.
How many Splake are stocked?
About 251,032,618,006,426,780 Splake have been stocked on record since 1970, across Montana, New York, Utah.
What size Splake are stocked?
Stocked Splake average about 5.1 inches, based on sizes reported by Montana, New York, Utah.
What does a Splake look like?
Intermediate between its parent species: a lake-trout-like squarish tail combined with brook-trout-like pale vermiculated markings.