About Etheostoma cragini Gilbert, 1885
Body Coloration
Description: The Arkansas darter has an olive-brown dorsal surface covered in fine black spots, and a yellowish-white underside. During the breeding season, the belly of male Arkansas darters turns bright orange.
Facial & Lateral Markings
This species has a blackish, wedge-shaped blotch underneath its eye, and 12 to 14 dark stripes running along its sides.
Size
It reaches a maximum total length of 6 cm (2.4 in).
Geographic Range
Distribution: Despite its common name, the Arkansas darter is primarily found in Kansas. Its range covers the Arkansas River drainage system, and this range also extends into eastern Colorado, southwestern Missouri, northeastern Arkansas, and north-central Oklahoma.