| Family: |
Catostomidae (Suckers), subfamily: Catostominae |
| Max. size: |
60 cm TL (male/unsexed); max. reported age: 40 years |
| Environment: |
pelagic; freshwater, non-migratory |
| Distribution: |
North America: Utah Lake and its tributaries in Utah, USA. Two subspecies were recognized: Chasmistes liorus liorus from Utah Lake; and Chasmistes liorus mictus may have arisen as a hybrid between Chasmistes liorus liorusand Chasmistes ardens and replaced the original form of Chasmistes liorus. |
| Diagnosis: |
|
| Biology: |
Formerly most common in deep waters of Utah Lake. Used tributaries of lake for spawning (Ref. 5723, 86798). Adults are pelagic and feed on aquatic invertebrates in the mid-water column. Juveniles inhabit emergent vegetation, apparently as refuge from predators (Ref. 35293). |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 02 November 2011 (A2be) Ref. (130435)
|
| Threat to humans: |
harmless |
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