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: Notropis: A misnomer given by Rafinesque to shriveled specimens, with the meaning of "back keel"; from Greek, noton = back (Ref. 45335); xaenocephalus: From the words xaeno, to scratch; and cephalus, meaning head (referring to head tuberculation of nuptial males) (Ref. 10294).
Environment / Climate / Range
Freshwater; benthopelagic. Temperate; 35°N - 32°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.9 cm TL male/unsexed; (Ref. 5723); common length : 5.2 cm TL male/unsexed; (Ref. 12193)
North America: Coosa and Tallapoosa River systems (Mobile Bay drainage) in southeastern Tennessee, northwestern Georgia and eastern Alabama in the USA.
Occurs in clear, gravel-bottomed pools and runs, but common in spring-fed streams (Ref. 5723). Also inhabits small creeks and rivers (Ref. 10294).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p.
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00427 - 0.02571), b=3.06 (2.84 - 3.28), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.8 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .