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); atrocaudalis: Notropis (Greek)=back keel; atro=black or dark, caudalis=tail (referring to black pigments forming a distinct spot near the caudal fin) (Ref. 79012).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; depth range ? - 50 m. Temperate; 35°N - 31°N
North America: Red (Mississippi River basin) and Calcasieu River (Gulf Slope) drainages to Brazos River drainage in southwestern Arkansas, southeastern Oklahoma, western Louisiana and eastern Texas, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.6 cm TL male/unsexed; (Ref. 5723)
Inhabits sandy and rocky runs and pools of creeks and small to medium rivers, usually in shallow water (Ref. 5723). Feeds on dipterans, ephemeropterans, tricopterans, coleopterans, and odonats (Ref. 79012).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. (Ref. 5723)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00318 - 0.01574), b=3.08 (2.90 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±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) .