Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Cyprinidae
(Minnows or carps) > Leuciscinae
Etymology: Luxilus: Latin, luxilus, derived from Lux = light, refered to a small silvery fish (Ref. 45335); chrysocephalus: From the words chrysocephalus, meaning golden head, and isolepis, equal scales (referring to the more regular scale pattern) (Ref. 10294). More on author: Rafinesque.
Environment / Climate / Range
Freshwater; demersal. Temperate; 46°N - 31°N
Length at first maturity / Size / Weight / Age
Maturity: Lm 6.7  range ? - ? cm
Max length : 24.0 cm TL male/unsexed; (Ref. 10294); common length : 8.3 cm TL male/unsexed; (Ref. 12193); max. reported age: 4 years (Ref. 12193)
North America: Great Lakes and Mississippi River basins from western New York and southeastern Wisconsin, south to Alabama, Louisiana and eastern Texas, USA; Gulf Coast drainages from Mobile Bay in Georgia and Alabama to Lake Pontchartrain in Louisiana, USA.
Adults inhabit rocky pools near riffles in clear to fairly turbid creeks and small to medium rivers(Ref. 205); also found in streams. Feed on terrestrial insects, filamentous and unicellular algae, and a variety of aquatic invertebrate often dominated by mayfly nymphs (Ref. 10294). Oviparous (Ref. 205), nest spawners (Ref. 52559).
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Pub. (20):183 p.
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 3.3 ±0.45 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=4).
Vulnerability (Ref. 59153
): Low vulnerability (25 of 100) .