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Richardsonius egregius (Girard, 1858) Lahontan redside |
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photo by
Ribeiro, F. |
| Family: | Leuciscidae (Minnows), subfamily: Pogonichthyinae | |||
| Max. size: | 17 cm TL (male/unsexed); max. reported age: 5 years | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | North America: Lahontan and other interior basins in northern Nevada and northern California, USA including Humboldt, Walker, Carson, Truckee, Susan, Quinn and Reese River systems; Walker, Tahoe and Pyramid Lakes. Introduced elsewhere, including upper Sacramento River systems in California. | |||
| Diagnosis: | Distinguished from a similar species Richardsonius balteatus by having less anal rays (8-9, rarely 10), longer snout, more slender body and less slender caudal peduncle (Ref. 86798). | |||
| Biology: | Occurs in margin of lakes and all types of stream habitats but usually in pools and slow runs (Ref. 86798). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 01 March 2012 Ref. (130435) | |||
| Threat to humans: | harmless | |||
| Country info: |
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