Adults inhabit rocky and sandy pools of headwaters, creeks and small rivers. Largest populations occurs in clear, spring-fed streams .
Distinguished from similar species Cinostomus funduloides by having longer, more pointed snout, more slender body, brighter (carmine) red on lower side in adults; smaller (59-75 lateral) scales. Breeding male possess steel blue above, yellow-gold stripe along side, bright red on lower side .: elongated.
Behavioural data for Redside dace is currently being reviewed.
The redside dace is a midwater and surface specialist, regularly consuming terrestrial insects representing families of Empididae and Formicidae and aquatic insects of Chironomidae and order Ephemeroptera.
Reproduction data for Redside dace is currently being compiled.
Freshwater; demersal; non-migratory . Temperate; 44°N - 38°N North America: Hudson and upper Susquehanna River drainages in New York and Pennsylvania, USA; Great Lakes (except Lake Superior) and Mississippi River basins from New York in USA and south Ontario in Canada to Minnesota and south to West Virginia and Kentucky in USA.
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Alburnus pleuriticus | Putnam | 1863 | Heterotypic |
| Gila elongata | Kirtland | 1840 | Synonym |
| Luxilus elongatus | Kirtland | 1840 | Synonym |
| Squalius proriger | Cope | 1865 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 44 records indexed .
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