Arkansas darter: Arkansas darter. This small, colorful species is restricted to the Arkansas
http://waterknowledge.colostate.edu/ark_dart.htm

Proceedings of the Oklahoma Academy of Science: Records of the Arkansas Darter, Etheostoma cragini Gilbert, in Harper and
http://digital.library.okstate.edu/OAS/oas_htm_files/v65/p61_63nf.html

Professional Communications: 2000. Status of the Arkansas darter in south-central Kansas and adjacent Oklahoma.
http://www.fhsu.edu/biology/Eberle/ProfessionalCommunications.htm

Prairie Stream Fishes at and Near the Selman Living Laboratory: Typical Arkansas Darter habitat. Salty Creek (left), Traders Creek (right).
http://www.biology.ucok.edu/SelmanLL/SelmanFishPage/selman%20fish%20page_files/prairie%20fish%20discussion.htm

Fishes Found in Traders Creek and Tributaries on 14 June: L. macrochirus Bluegill. Micropterus salmoides Largemouth Bass. Family Percidae
http://www.biology.ucok.edu/SelmanLL/SelmanFishPage/fish%20list%20with%20images_files/traders%20creek%20fishes.htm

Species Distribution Maps: Etheostoma chlorosomum, bluntnose darter. Etheostoma cragini, Arkansas darter.
http://www.ksu.edu/ksaquaticgap/Fish_distmaps.htm