Prosopium gemmifer (Snyder, 1919)
Bonneville cisco
Bonneville cisco

Family:  Salmonidae (Salmonids), subfamily: Coregoninae
Max. size:  22 cm TL (male/unsexed); max. reported age: 6 years
Environment:  pelagic; freshwater
Distribution:  North America: endemic to Bear Lake in southeastern Idaho and northern Utah, USA.
Diagnosis:   
Biology:  Occurs in open water. Widely scattered when water is colder than 14.4°C; as water warms, descends into deeper, colder water.
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless
Country info:  Known from the Bear Lake in southeastern Idaho and northern Utah (Ref. 81264). Status of threat: vulnerable. Criteria: 1,2,3,4,5 (http://fisc.er.usgs.gov/afs/) (Ref. 81264).


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