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.
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 |
The following diseases are known to affect Redside dace.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 44 records indexed .
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