June Sucker
A federally listed sucker found only in Utah Lake and its tributaries, stocked as part of a long-running recovery program rather than for angling.

- Scientific name
- Chasmistes liorus
- Family
- Catostomidae
- Adult size
- Typically 12–18 inches.
Identification
Streamlined, silvery-olive sucker with a small, downturned mouth typical of the sucker family.
Habitat
Utah Lake and connected tributaries, particularly the Provo River during spawning.
Diet
Zooplankton and small invertebrates filtered from the water column.
Conservation
Federally endangered; stocking supports the June Sucker Recovery Implementation Program, one of Utah's flagship native-fish conservation efforts.
Where June Sucker is stocked
When June Sucker is stocked
Top June Sucker waters
Provo River
SUMMIT County · 5 species · 1298 records
Last stocked June 2026
Spring Lake
UTAH County · 8 species · 540 records
Last stocked June 2026
Utah Lake
UTAH County · 4 species · 350 records
Last stocked June 2026
Hobble Creek
5 species · 110 records
Last stocked April 2013
Red Butte Reservoir
SALT LAKE County · 4 species · 38 records
Last stocked August 2025
Mona Reservoir
4 species · 22 records
Last stocked July 2015
Camp Creek Reservoir
2 species · 6 records
Last stocked June 2000
Rosebud Sp
2 species · 6 records
Last stocked March 2012
Rosebud June Sucker 1
BOX ELDER County · 2 species · 2 records
Last stocked June 2025
Rosebud June Sucker 2
2 species · 2 records
Last stocked September 2023
Frequently asked
Where is June Sucker stocked?
June Sucker is stocked in 10 waters across 1 state: Utah.
When is June Sucker stocked?
June Sucker is typically stocked in summer and fall, most often in September, based on records across every state that stocks it.
How many June Sucker are stocked?
About 1,022,182 June Sucker have been stocked on record since 1992, across Utah.
What size June Sucker are stocked?
Stocked June Sucker average about 8.4 inches, based on sizes reported by Utah.
What does a June Sucker look like?
Streamlined, silvery-olive sucker with a small, downturned mouth typical of the sucker family.