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Alburnops chalybaeus

(Cope, 1867)

Ironcolor Shiner

G4Apparently Secure Found in 1 roadless area NatureServe Explorer →
G4Apparently SecureGlobal Rank
Least concernIUCN
MediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.100254
Element CodeAFCJB28310
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVertebrate Animal
IUCNLeast concern
Endemicendemic to a single nation
KingdomAnimalia
PhylumCraniata
ClassActinopterygii
OrderCypriniformes
FamilyLeuciscidae
GenusAlburnops
Synonyms
Notropis chalybaeus(Cope, 1867)
Concept Reference
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. American Fisheries Society, Special Publication 20. 183 pp.
Taxonomic Comments
Based on phylogenomic analyses, Stout et al. (2022) place this species in the genus Alburnops. This genus change is accepted by Page et al. (2023).
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2024-11-06
Change Date2000-04-06
Edition Date2024-11-06
Edition AuthorsGundy, R. L. (2024)
Threat ImpactMedium
Range Extent>2,500,000 square km (greater than 1,000,000 square miles)
Number of Occurrences81 - 300
Rank Reasons
This species has a wide range through many drainages of the eastern United States. It has suffered widespread historical declines and has been extirpated from many historical localities. It is threatened by water quality issues and the loss of riparian forest.
Range Extent Comments
This species is endemic to the eastern United States. It is found in drainages of the Atlantic and Gulf coasts, and the Mississippi River basin from New York to Texas and north to the Great Lakes. Using Global Biodiversity Information Facility (GBIF) (2024) records from 2004-2024, range extent is estimated to be 2.972 million km².
Occurrences Comments
Applying a 10 km separation distance to GBIF (2024) records from 2004-2024, 113 occurrences are estimated.
Threat Impact Comments
The primary threat to this species is declining water quality. Siltation, increased turbidity, pollution, and declining water quantity are affecting populations across the range (Herkert 1992, Albanese and Slack 1998, SCDNR 2015, Work et al. 2017, NYSDEC 2023). The loss of riparian vegetation remains a threat because it impacts water quality, and reduces the amount of available submerged woody debris used for cover (SCDNR 2015, NYSDEC 2023).
Ecology & Habitat

Habitat

Pools and slow runs of low gradient, small acidic creeks and small rivers with sandy substrate, including spring runs (Marshall 1946, Perkin et al. 2012). Also in soft-bottomed swamps in Illinois. Eggs sink to bottom of sand-bottomed pools (Marshall 1946, Perkin et al. 2012).

Ecology

A schooling species.

Reproduction

Spawns April-September (mostly April-July) in Florida, possibly late May to July in north (Marshall 1946). Eggs hatch in 2-3 days (Marshall 1946). Sexually mature in 1 year (Marshall 1946, Perkin et al. 2012).
Palustrine Habitats
FORESTED WETLAND
Other Nations (1)
United StatesN4
ProvinceRankNative
MississippiS1Yes
PennsylvaniaS1Yes
MissouriS1Yes
OklahomaS1Yes
TexasS3Yes
AlabamaSHYes
MarylandS1Yes
New YorkS1Yes
VirginiaS3Yes
FloridaS4Yes
MichiganS1Yes
GeorgiaS2Yes
LouisianaS3Yes
South CarolinaS3Yes
New JerseyS1Yes
IowaSXYes
DelawareS1Yes
IllinoisS3Yes
North CarolinaS2Yes
IndianaS4Yes
ArkansasS3Yes
WisconsinSXYes
Threat Assessments
ThreatScopeSeverityTiming
7 - Natural system modificationsUnknownUnknownHigh (continuing)
7.2 - Dams & water management/useUnknownUnknownHigh (continuing)
9 - PollutionUnknownUnknownHigh (continuing)
9.1 - Domestic & urban waste waterUnknownUnknownHigh (continuing)
9.3 - Agricultural & forestry effluentsUnknownUnknownHigh (continuing)

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Roadless Areas (1)
Florida (1)
AreaForestAcres
Alexander Springs CreekOcala National Forest2,954
References (51)
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