Gilt darter (Percina evides)

Gilt darter
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Gilt darter fact file

Gilt darter description

GenusPercina (1)

A robust, stout-bodied fish, the gilt darter (Percina evides) is one of the most distinctive and brightly coloured freshwater fish in the United States (3). During the breeding season, the male gilt darter is particularly impressive, with bright bands of  orange-red, yellow, and vivid, iridescent blue-green markings on the head, sides, lower body and dorsal fin (3) (4).

Breeding male fish have an intense blue-black pigment on the breast, on the pelvic and dorsal fins, and at the base of the anal fin (3). The male gilt darter also develops breeding tubercles and a row of large, spiny scales along the middle of the belly (3) (4) (5). The breeding female is a more subdued orange or bronze colour, with seven or eight dark bands across the back (6).

At other times of year, the gilt darter has a dark olive upper body, becoming lighter yellow-green on the belly and sides (4) (5). Dark saddles on the back join with dark blotches on the sides to form a series of characteristic vertical bands along the body (3) (4) (5) (7). A bar of dark colour extends down from each eye (4).

Length: up to 9.6 cm (2)

Gilt darter biology

The gilt darter is a fairly opportunistic feeder, its diet varying seasonally depending on the availability of aquatic insect larvae, such as caddisfly larvae, diptera larvae and mayfly nymphs (3) (7) (8). This species also exhibits seasonal migration between different habitats, moving from shallow riffles in the autumn to deeper channels between rubble and boulder riffles in the winter. Mature gilt darters return to the shallower riffles in the late spring and early summer to spawn (3).

The timing and duration of spawning is determined mainly by the effects of temperature and flow of the streams the gilt darter inhabits (3), although it generally begins between late April and May, depending on the location (3) (8). The gilt darter spawns over gravel and sand, in areas free from silt and other debris. It buries the eggs in the substrate, and the eggs hatch after eight to ten days (3). The female typically breeds between the ages of two and three years (8)

During the breeding season, the male gilt darter will establish a territory around cobble or boulder stones. The male aggressively defends its territory, chasing away rival males and deterring intruders using ritualized body posturing, tail beating, fin displays and rapid colour changes (3).


Gilt darter range

The gilt darter is found only in the United States. This freshwater fish inhabits several river systems in the Mississippi River basin (2) (7), from New York and northwestern Pennsylvania to Minnesota, and south to northern Alabama and northern Arkansas. It also inhabits the Maumee River system in Indiana (2) (8).

The gilt darter previously inhabited various river drainages in Iowa, Illinois and Ohio, but it is thought that these populations have now disappeared (3) (9).


Gilt darter habitat

This species generally inhabits large creeks and small- to medium-sized rivers, with clear waters and moderate or fast-flowing currents, and a sand, gravel or rubble substrate (4) (7) (8) (9).

The gilt darter is often found in the deeper reaches of creeks and rivers, particularly around the middle and lower parts of rocky riffles (2) (9). It also commonly found in pools which are free of silt and other debris (4) (7).


Gilt darter status

The gilt darter is classified as Least Concern (LC) on the IUCN Red List (1).

IUCN Red List species status – Least Concern


Gilt darter threats

Pollution and habitat alteration are the primary threats to the gilt darter (4) (7) (8) (10). The construction of dams and reservoirs in this species’ range has contributed to the loss and degradation of suitable habitat, by causing waters to become slow-moving and silty (4) (7) (8). Agricultural runoff and pollution from other activities cause declines in water quality, which further affects the gilt darter’s survival (7).


Gilt darter conservation

Recommended conservation measures for the gilt darter include protecting and restoring the natural river habitat of this species, as well as controlling pollution and siltation to prevent further deteriorations in water quality (4) (7).


Find out more

Find out more about the gilt darter:



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Anal fin
In fish, an unpaired fin on the under surface of the fish, behind the anus.
Dorsal fin
The unpaired fin found on the back of the body of fish, or the raised structure on the back of most cetaceans (whales, dolphins and porpoises).
The stage in an animal’s lifecycle after it hatches from the egg. Larvae are typically very different in appearance to adults; they are able to feed and move around but usually are unable to reproduce.
Stage of insect development, similar in appearance to the adult but sexually immature and without wings. The adult form is reached via a series of moults, and the wings develop externally as the nymph grows.
Pelvic fins
In fish, the pair of fins found on the underside of the body.
Light rapids where water flows across a shallow section of river.
The production or depositing of eggs in water.
Describes an animal, a pair of animals or a colony that occupies and defends an area.
A small, rounded, wart-like bump on the skin.


  1. IUCN Red List (August, 2013)
  2. FishBase - Gilt darter Percina evides (July, 2011)
  3. General College, University of Minnesota - Gilt darter Percina evides (July, 2011)
  4. Pennsylvania Natural Heritage Program -  Gilt darter Percina evides (July, 2011)
  5. Ross, S.T. (2001) The Inland Fishes of Mississippi. Mississippi Department of Wildlife, Fisheries and Parks, Mississippi.
  6. Phillips, G.L., Schmid, W.D. and Underhill, J.C. (1982) Fishes of the Minnesota Region. University of Minnesota Press, Minnesota. 
  7. Wisconsin Department of Natural Resources - Gilt darter Percina evides (July, 2011)
  8. Near, T.J., Page, L.M. and Mayden, R.L. (2001) Intraspecific phylogeography of Percina evides(Percidae: Etheostomatinae): an additional test of theCentral Highlands pre-Pleistocene vicariance hypothesis. Molecular Ecology, 10:2235-2240.
  9. Iowa Fish Atlas - Gilt darter Percina evides (July, 2011)
  10. NatureServe Explorer - Gilt darter Percina evides (July, 2011)

Image credit

Gilt darter  
Gilt darter

© Konrad P. Schmidt

Konrad P. Schmidt


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