4.5 River Basins
A USFWS assessment of imperiled fshes of the southern Appalachian ecosystem notes the Hiwassee River is one of the highest priority stream systems in the ecosystem (Butler 2002b) . Five highly imperiled taxa were identifed for the river system; of these taxa, four are found in North Carolina. Te report identifed fve additional imperiled fshes occurring in the Hiwassee River Basin in North Carolina. Te imperiled species identifed in the report that can be found in North Carolina are as follows:
• Sicklefn Redhorse—occurs in clean streams with little sedimentation, generally in swift water over rocky substrata.
• Greenside Darter—occurs in swift rifes with boulders and rubble.
• Redline Darter—occurs in swift, shallow, rocky rifes in clear streams.
• Olive Darter—occurs in fast boulder and bedrock chutes.
• Smoky Dace—occurs in sand and rock pools of small montane streams.
T ABLE 4.60 SGCN in the Hiwassee River Basin
Federal/ State Status*
Taxa Group AMPHIBIAN
Scientifc Name
Common Name
Cryptobranchus alleganiensis allaganiensis
Eastern Hellbender
FSC/SC
Eurycea junaluska Elimia christyi Leptoxis virgata
Junaluska Salamander
FSC/T FSC/E FSC/—
AQ SNAIL
Christy’s Elimia Smooth Mudalia
Cambarus acanthura Cambarus brimleyorum Cambarus carolinus Cambarus nodosus
CRAYFISH
Tornytail Crayfsh Valley River Crayfsh
— — — —
Red Burrowing Crayfsh Knotty Burrowing Crayfsh Hiwassee Headwater Crayfsh
Cambarus parrishi Clinostomus sp. 1 Cottus carolinae
FSC/SC FSC/SC
FISH
Smoky Dace
Banded Sculpin
—/T
Erimystax insignis eristigma
Southern Blotched Chub Smallmouth Redhorse
FSC/—
Moxostoma breviceps Moxostoma carinatum
— —
River Redhorse
Moxostoma sp 2
Sicklefn Redhorse Brook Trout (Native)
C/T
Salvelinus fontinalis
— —
Elliptio dilatata
MUSSEL
Spike
Fusconaia subrotunda Pleurobema oviforme Pleuronaia barnesiana
Longsolid
FSC/— FSC/E FSC/E —/SC
Tennessee Clubshell Tennessee Pigtoe
Villosa iris
Rainbow
* See Table 4.43 in Section 4.5.3.2 for abbreviations.
553
2015 NC Wildlife Action Plan
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