Iowa Fish Atlas

Bigmouth shiner-Notropis dorsalis

Native: Yes

State Rank: S5

ITIS Code: 163439          

National Rank:  N5

Global Rank: G5

Modeled By: Anna Loan-Wilsey

State Range:

The bigmouth shiner is one of the most abundant and widespread fish species in Iowa (Harlan et al. 1987).  It is found in nearly all rivers and streams throughout the state.  With Iowa in the center of its continental range,  the distribution of the bigmouth shiner is expanding due to changes in prairie stream habitats (Becker 1983; Harlan et al. 1987; Pflieger 1997; Smith 1979).  

Habitat Affinities:

Bigmouth shiners are common in small, low to moderate-gradient prairie streams with slight current and unstable sandy bottoms (Pflieger 1997; Cross and Collins 1995; Trautman 1981; Etnier and Starnes, 1993).  They are most abundant in streams having permanent flow (Pflieger 1971).  They are able to adapt to fluctuating water levels, turbidity, and pollutants, but require a sand substrate not covered with silts (Trautman 1981; Etnier and Starnes, 1993).  In Iowa, they are one of the few species able to inhabit the sterile sand flats common in Iowa creeks (Harlan et al. 1987).  According to Etnier and Starnes (1993) bigmouth shiners occupy cool creeks but in Ohio (Trautman 1981) they were found to be uncommon or absent in cool streams.    

Predictive Model(s):

Statewide Model: by 8-digit HU [Decision Tree Analysis n=1797]

The distribution is based upon existing collection records.

(("GRADSEGR" <= 1 AND "SUBREGION_" <= 1 AND "SOIL_TEXT" <= 8) OR

( ("GRADSEGR" > 1 AND "GRADSEGR" <= 2) AND "DLINKR" <= 4 AND

"MINELEVR" > 1) OR

(( "GRADSEGR" > 1 AND "GRADSEGR" <= 2) AND ("DLINKR" > 4 AND

"DLINKR" <= 7)) OR

(( "GRADSEGR" > 2 AND "GRADSEGR" <= 3) AND "DLINKR" <= 2) OR

(( "GRADSEGR" > 2 AND "GRADSEGR" <= 3) AND ("DLINKR" > 2 AND

"DLINKR" <= 5) AND "TEMP_CODE" > 1) OR

(( "GRADSEGR" > 2 AND "GRADSEGR" <= 3) AND ("DLINKR" > 5 AND

"DLINKR" <= 8)) OR

(( "GRADSEGR" > 3 AND "GRADSEGR" <= 4) AND "LINKR" <= 5 AND

"TEMP_CODE" > 1) OR

( "GRADSEGR" > 4 AND "GRADSEGR" <= 5))

Mississippi River Model:

The distribution is based upon existing collection records and professional review.

("pool" >= 'S08' AND "pool" <= 'S19')

Missouri River Model

The distribution is based upon existing collection records and professional review.

("pool" >= 'O17' AND "pool" <= 'O19')

Overall Prediction:

(("GRADSEGR" <= 1 AND "SUBREGION_" <= 1 AND "SOIL_TEXT" <= 8) OR

(("GRADSEGR" > 1 AND "GRADSEGR" <= 2) AND "DLINKR" <= 4 AND

"MINELEVR" > 1) OR

(( "GRADSEGR" > 1 AND "GRADSEGR" <= 2) AND ("DLINKR" > 4 AND

"DLINKR" <= 7)) OR

(( "GRADSEGR" > 2 AND "GRADSEGR" <= 3) AND "DLINKR" <= 2) OR

(( "GRADSEGR" > 2 AND "GRADSEGR" <= 3) AND ("DLINKR" > 2 AND

"DLINKR" <= 5) AND "TEMP_CODE" > 1) OR

(( "GRADSEGR" > 2 AND "GRADSEGR" <= 3) AND ("DLINKR" > 5 AND

"DLINKR" <= 8)) OR

(( "GRADSEGR" > 3 AND "GRADSEGR" <= 4) AND "LINKR" <= 5 AND

"TEMP_CODE" > 1) OR

( "GRADSEGR" > 4 AND "GRADSEGR" <= 5)) OR

("pool" >= 'S08' AND "pool" <= 'S19') OR ("pool" >= 'O17' AND "pool" <= 'O19')

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Additional References:

Berkman, H.E.  1984.  Effects of sedimentation on stream fish communities in northeast Missouri.  Master’s thesis, University of Missouri, Columbia, Missouri.  116 pp.

Clay, W.M.  1975.  The fishes of Kentucky.  Kentucky Department of Fish and Wildlife Resources, Frankfort, Kentucky.  416 pp.

Cross, F.B.  1967.  Handbook of fishes of Kansas.  University of Kansas Museum of Natural History Miscellaneous Publication  No. 45, Lawrence, Kansas.  357 pp.

Douglas, N.H.  1974.  Freshwater fishes of Louisiana.  Claitor’s Publishing Division, Sponsored by Louisiana Wildlife and Fisheries Commission, Baton Rouge, Louisiana.  443 pp.

Eddy, S., and J.C. Underhill.  1974.  Northern fishes; with special reference to the upper Mississippi Valley.  University of Minnesota Press, Minneapolis, Minnesota.  414 pp.

Gelwicks, G.T.  1995.  Fish movement between the lower Missouri River and a managed floodplain wetland in Missouri.  Master’s thesis. University of Missouri, Columbia, Missouri. 190 pp.

Kelly, G., editor.  1986.  Animal habitat relations handbook.  Missouri Department of Conservation and U.S.D.A. Forest Service, Jefferson City, Missouri.  293 pp.

Lee, D.S., C.R. Gilbert, C.H. Hocutt, R.E. Jenkins, D.E. McAllister, and J.R. Stauffer, Jr.  1980.  Atlas of North American freshwater fishes.  North Carolina State Museum of Natural History, Raleigh, North Carolina.  867 pp.

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Pflieger, W.L.  1989a.  Aquatic community classification system for Missouri.  Missouri Department of Conservation.  Jefferson City, Missouri.  Aquatic Series No. 19. 70 pp. plus Supplement.

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Tibbs, J.E.  1995.  Habitat use by small fishes in the lower Mississippi River related to foraging by least terns, Sterna altillarum.  Master’s thesis, University of Missouri, Columbia, Missouri.  184 pp.

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Wiley, E.O., and T.A. Titus.  1992.  Phylogenetic relationships among members of the Hybopsis dorsalis species group (Teleostei: Cyprinidae).  Occassional Papers of the Museum of Natural History, University of Kansas (152):1-18.

Photo Credits:

Upper Left:       Photo courtesy of Konrad P. Schmidt, copyright Konrad P. Schmidt.

Upper Right:     Photo courtesy of the Iowa Department of Natural Resources, http://www.iowadnr.com