Identity
Unique IDELEMENT_GLOBAL.2.105509
Element CodeAFCQC02A40
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVertebrate Animal
IUCNVulnerable
Endemicendemic to a single nation
KingdomAnimalia
PhylumCraniata
ClassActinopterygii
OrderPerciformes
FamilyPercidae
GenusEtheostoma
Concept ReferenceSuttkus, R. D., and D. A. Etnier. 1991. Etheostoma tallapoosae and E. brevirostrum, two new darters, subgenus Ulocentra, from the Alabama River drainage. Tulane Studies in Zoology and Botany 28(1):1-24.
Taxonomic CommentsPopulations in the Amicalola Creek, upper Etowah, Coosawattee, and Conasauga systems each may represent an undescribed species closely related to E. brevirostrum (Georgia Museum of Natural History).
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2023-01-10
Change Date2011-12-06
Edition Date2023-01-10
Edition AuthorsHammerson, G., and M. K. Clausen (2011), Sears, N. (2023)
Threat ImpactMedium
Range Extent5000-20,000 square km (about 2000-8000 square miles)
Number of Occurrences6 - 20
Rank ReasonsThis is an uncommon species with a disjunct distribution in the upper Coosa River system. Although there is no evidence of short-term population declines and the habitat and water quality are in good condition in the Conasauga and Etowah Rivers, the species has undergone a long-term reduction in extent of occupied habitat due to stream impoundments. Projected urban development and climate change may impact both the quality and availability of suitable habitat.
Range Extent CommentsThis species has a disjunct distribution within the upper Coosa River basin in Alabama, Georgia, and Tennessee, USA. It occurs in parts of Shoal Creek, Conasauga River, Talkingrock Creek, Mountaintown Creek, tributaries of the Ellijay River, Amicalola Creek, and the Etowah River. It has not been collected from the spring tributaries of upper Choccolocco Creek since 1987 (Sizemore and Howell 1990). There are no records within the Coosawattee River mainstream (USFWS 2017a).
Occurrences CommentsThis species is known from seven populations (Conasauga River, Talking Rock Creek, Mountaintown Creek, Ellijay River, Amicalola Creek, Etowah River, and Shoal Creek). It is known from about a dozen localities, which approximate occurrences (using a separation distance of 10 km), with records from the period 1993-2022 (GBIF 2023).
Threat Impact CommentsThreats include destruction of habitat due to urbanization, loss of riparian vegetation, sedimentation, decreased water quality from agricultural activities, contaminants, and reduced connectivity from dams, road crossings, and culverts (USFWS 2017a). In addition, both urban development and the severity of climate events like storms and droughts are expected to increase and threaten populations in the long-term (USFWS 2017a).
Dams have fragmented and isolated the seven populations: The upper Etowah River-Amicalola Creek populations are isolated by Alatoona Dam; the Talking Rock Creek population is isolated by Carters Re-regulation Dam; and the Ellijay River and Mountaintown Creek populations are isolated by Carters Dam (USFWS 2017a). Populations in the Shoal Creek drainage, Alabama, were likely extirpated due to development of small water-control impoundments (Mettee et al. 1996, Boschung and Mayden 2004). Three reservoirs (Whitesides Mill Lake, Highrock Lake, and Sweetwater Lake) eliminated the species from portions of this watershed and fragmented occupied reaches (USFWS 2017a).