HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesMuscadine Darter Muscadine Darter (Percina smithvanizi) Scientific name: Percina smithvanizi Williams & Walsh, 2007 The Muscadine Darter (Percina smithvanizi) is a freshwater fish of the family Percidae. BiologyPercina smithvanizi is distinguished from all other described species of Percina by a combination of the following characteristics: absence of bright colors on body and fins of adults; no orange band in spinous dorsal fin; no broad vertical bands on body extending dorsally across the back joining those of the other side; 7?11 lateral blotches connected to form a continuous dark brown to black lateral stripe with undulating margins; lateral stripe continuous with large, somewhat quadrate basicaudal blotch, which extends onto base of caudal fin rays; a small dark blotch on upper and lower portion of caudal fin base, dorsal blotch typically darker; suborbital bar absent or very poorly developed; lateral line complete, typically no pored scales on base of caudal fin; males with row of modified scales on midline of belly and one or two modified scale between base of pelvic fins; modified breast scale absent; nuptial tubercles absent; anal fin of breeding males not excessively elongate; maleSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePercina smithvaniziFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.3Depth range0–1 m (0–3 ft)EnvironmentFreshwater; benthopelagic; depth range 0 - 1 mClimateTemperateDistributionNorth America: restricted to streams draining the region above the Fall Line in the Tallapoosa River system. It is widely distributed above the Fall Line except it is absent in upper reaches of the Little Tallapoosa River in Georgia, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026