Common names: River lamprey, River lamprey, Western river lamprey
Occurrence: native
Salinity: freshwater
Abundance: fairly common (chances are about 50%) | Ref: Jordan, D.S. and E.C. Starks, 1895
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ranges south to the Sacramento River (Ref. 1998) and San Fransisco Bay, central California (Ref. 27436, 96339, 43939). Not rare in Puget Sound, Washington, in 1895 (Ref. 28609). ): Pacific Ocean Basin: Duwamish River estuary, Puyallup River, Lake Washington, and Lake Sammamish (Washington); Yaquina Bay and Columbia River (Oregon); Mill Creek, Sacramento, Middle, and San Joaquin rivers, and San Pablo and San Francisco bays (California) (Ref.89241). Also Ref. 276, 4925, 6885, 10016. Status of threat: vulnerable. Criteria: 1,4 (http://fisc.er.usgs.gov/afs/) (Ref. 81264).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Page, L.M. and B.M. Burr, 1991
National Database: