Iowa Fish Atlas

Native: Yes

State Rank: S5

ITIS Code: 163998

National Rank: N5           

Global Rank: G5

Modeled By: Anna Loan-Wilsey

State Range:

The channel catfish is most abundant and widely distributed of the catfishes of Iowa. It is common to abundant throughout Iowa’s rivers and moderate sized streams. The channel catfish occurs naturally but is also stocked in artificial impoundments, natural lakes, and farm ponds throughout the state (Harlan et al. 1987). 

 

Habitat Affinities:

The channel catfish is found in many types of habitats ranging from ponds, lakes and reservoirs to rivers, oxbows and bayous. It is highly abundant in the deeper waters of impoundments and large streams having moderately clear bottoms of sand, gravel or boulders and sometimes silt, provided the rate of deposition is low (Pflieger 1997; Trautman 1981).  The channel catfish is extremely adaptable (Etnier and Starnes 1993; Robison and Buchanan 1988), as it does not require flowing water at any point in its life cycle or the availability of live food (Cross and Collins 1995). Although common in the Mississippi River and its larger tributaries (Phillips et al. 1982), it has been known to ascend even the smallest creeks during spring flooding (Harlan et al. 1987).  Adults seek cover around submerged logs, steep cutbanks or drift piles during the day (Cross and Collins 1995; Pflieger 1997), and feed in riffles and shallow pools at night (Robison and Buchanan 1988). The channel catfish avoids clear, cool streams, streams with high gradient (Pflieger 1971), and dense beds of aquatic vegetation (Trautman 1981). Yearlings can tolerate considerable current and are often found in riffles or shallow pools (Trautman 1981; Pflieger 1971).

Predictive Model(s):

Statewide Model: by 8-digit HU [Decision Tree Analysis n=678]

The distribution is based upon existing collection records.

("TEMP_CODE" = 2 AND

((( "LINKR" > 4 AND "LINKR" <= 5) AND "SUBREGION_" <= 1 AND

"MINELEVR" <= 4) OR

 "LINKR" > 5))

Mississippi River Model:

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

("pool" >= 'S08' AND "pool" <= 'S20')

Missouri River Model

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

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

Overall Prediction:

("TEMP_CODE" = 2 AND

((( "LINKR" > 4 AND "LINKR" <= 5) AND "SUBREGION_" <= 1 AND

"MINELEVR" <= 4) OR

 "LINKR" > 5)) OR

 ("pool" >= 'S08' AND "pool" <= 'S20') OR ("pool" >= 'O17' AND "pool" <= 'O19')

Literature Cited:

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Trautman, M.B.  1981.  The fishes of Ohio.  Revised Edition.  Ohio State University Press in collaboration with the Ohio Sea Grant Program Center for Lake Erie Area Research,  Columbus, Ohio.  782 pp.

Data Sources:

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Additional References:

Aadland, L.P.,  C.M. Cook, M.T. Negus, H.G. Drewes, and  C.S. Anderson.  1991.  Microhabitat preferences of selected stream fishes and community-oriented approach to instream flow assessments.  Minnesota Department of Natural Resources, Section of Fisheries, Minneapolis, Minnesota.  142 pp.

Allen, K.O., and K. Strawn.  1967.  Heat tolerance of channel catfish.  Proceedings of the Annual Conference of the Southeastern Association of Game and Fish Commissions 21:399-411.

Bailey, R.M., and H.M. Harrison, Jr.  1948.  Food habits of the southern channel catfish, Ictalurus lacustris punctatus, in the Des Moines River, Iowa.  Transactions of the American Fisheries Society 75:110-138.

Becker, G.C.  1983.  Fishes of Wisconsin.  University of Wisconsin Press, Madison. 1052 pp.

Benson, N.G.  1980.  Effects of post-impoundment shore modifications on fish populations in Missouri River reservoirs.  U.S. Fish and Wildlife Service Research Report 80.  32 pp.

Buck, H.D.  1956.  Effects of turbidity on fish and fishing.   Transactions of the of North American Wildlife Conference 21:249-261.

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Photo Credits:

Upper Left:       Photo courtesy of the Native Fish Conservancy.  http://www.nativefish.org

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