Family: |
Leuciscidae (Minnows), subfamily: Pogonichthyinae |
Max. size: |
12 cm TL (male/unsexed) |
Environment: |
demersal; freshwater |
Distribution: |
North America: Fraser and Columbia River drainages in British Columbia in Canada, Washington, Oregon and Idaho in USA. |
Diagnosis: |
|
Biology: |
Inhabits flowing pools and gravel runs of creeks and small to medium rivers. Also occurs in rocky margins of lakes (Ref. 86798). Young-of-the-year feed mostly on dipterous larvae; yearlings feed on aquatic insect larvae (mostly Ephemeroptera and Diptera) during the months of June and July switching to terrestrial insects in September; adults more than 2 years also feed on aquatic insect larvae, (Ephemeroptera and Diptera), terrestrial insects, and earthworms (Lumbricus) displaced from the soil (Ref. 1998). Spawning occurs early July (Ref. 1998). |
IUCN Red List Status: |
Least Concern (LC); Date assessed: 01 March 2012 Ref. (130435)
|
Threat to humans: |
harmless |
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