Species: Percopsis transmontana
Sand Roller
Species
Encyclopedia of Puget Sound
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Actinopterygii
Order
Percopsiformes
Family
Percopsidae
Genus
Percopsis
NatureServe
Classification
Informal Taxonomy
Animals, Vertebrates - Fishes - Bony Fishes - Other Bony Fishes
Formal Taxonomy
Animalia - Craniata - Actinopterygii - Percopsiformes - Percopsidae - Percopsis - Originally described and long recognized in genus COLUMBIA, which has been merged with PERCOPSIS (Lee et al. 1980). One of two species in the genus and family.
Ecology and Life History
Habitat Type Description
Freshwater
Migration
false - true - false - May move to shallow streams or to shallow shores of rivers to spawn.
Non-migrant
false
Locally Migrant
true
Food Comments
Not well known. Feeds on small insect larvae. Probably also consumes crustaceans and plankton.
Reproduction Comments
Sexually mature at 1 or 2 years. Spawning occurs in late May or early June in Idaho (Simpson and Wallace 1982). One female contained 4,748 eggs (Wydoski and Whitney 1979).
Length
8
Conservation Status
NatureServe Global Status Rank
G4
Global Status Last Reviewed
1996-09-20
Global Status Last Changed
1996-09-20
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?US.ID=SH&US.OR=S4&US.WA=S3" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
Confined to the lower Columbia River drainage and tributaries downstream from the mouth of the Clearwater River, Nez Perce County, Idaho (Lee et al. 1980); western Idaho, southern Washington, and northern and western Oregon; uncommon (Page and Burr 1991).