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: Nocomis: An Indian (North America) name used by Charles Girard; ojibwe, nokomiss = grandmother (Ref. 45335); micropogon: From the words micro, meaning tiny; and pogon, beard (referring to the small barbel at the tip of the maxilla) (Ref. 10294). More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Temperate; 46°N - 34°N
North America: Susquehanna River, New York to James River, Virginia, USA; Great Lakes basin, New York in USA, and Ontario in Canada to Michigan, USA; Ohio River basin in New York to eastern Illinois and south to northern Georgia and Alabama except absent in southwestern Indiana, western 2/3 of Kentucky, and most of western Tennessee, USA. Introduced in Ottawa River system in Ontario; also present and possibly introduced in upper Santee River in North Carolina, Savannah River in South Carolina and Georgia, and Coosa River in Georgia.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL male/unsexed; (Ref. 10294); common length : 13.5 cm TL male/unsexed; (Ref. 12193); max. reported age: 5 years (Ref. 12193)
Inhabits rocky runs and flowing pools of small to medium rivers (Ref. 86798). Oviparous (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00397 - 0.01666), b=3.13 (2.96 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.42 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=3; tmax=5;).
Vulnerability (Ref. 59153
): Moderate vulnerability (40 of 100) .