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Percopsis transmontana (Eigenmann & Eigenmann, 1892) Sand roller |
| Family: | Percopsidae (Trout-perches) | |||
| Max. size: | 9.6 cm TL (male/unsexed); max. reported age: 6 years | |||
| Environment: | demersal; freshwater | |||
| Distribution: | North America: Columbia River drainage in Idaho, Washington and Oregon, USA. | |||
| Diagnosis: | ||||
| Biology: | Occurs in quiet backwaters and pool margins of small to large rivers. Usually found near vegetation over sand. | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 01 March 2012 Ref. (130435) | |||
| Threat to humans: | harmless | |||