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Montana Field Guide

Montana Field Guides

Channel Catfish - Ictalurus punctatus

Native Species

Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:


 

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General Description
The largest and most important catfish to sport fishermen in Montana is the native channel catfish of the Yellowstone and Missouri River drainages. These fish prefer warm, muddy rivers and lakes where they forage on just about any animal and some plants, living or dead. They are excellent eaters and millions of pounds of channel catfish are raised commercially in southern states for that purpose. Like all catfish, channel cats spawn in the spring or early summer. The female lays her jelly-like mass of eggs in a nesting site in a dark, protected cavity such as a muskrat burrow, under a stump, etc. and the male guards the nest until the eggs hatch. Biologists have captured channel catfish over 30 pounds in Montana but 2 to 4 pound fish are more common and better eating. The deeply-forked tail separates the channel catfish from the bullheads.

Diagnostic Characteristics
Other Montana catfishes do not have a deeply forked tail.

Species Range
Montana Range

Year-round

Western Hemisphere Range

 


Observations in Montana Natural Heritage Program Database
Number of Observations: 2421

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Migration
May migrate considerable distances to spawn in tributary streams.

Habitat
Prefers large rivers and lowland lakes. Thrives at water temperatures above 70 degrees. Tolerates turbid water.

Food Habits
Omnivorous feeder. Uses almost any living or dead organisms available.

Ecology
Small tributary streams may be vital for reproduction in the lower Yellowstone system.

Reproductive Characteristics
Sexually mature in 3 years. Spawns May-July after water temperature exceeds 75 degrees F. Incubation: 6-10 days. Spawned late May-mid.Aug. in middle Missouri River study with peak in July. Spawns 66 degrees F. Marias River.

References
  • Additional ReferencesLegend:   View Online Publication
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    • Craig, V.E. 1952. A story of fish production as it applies to Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 92 p.
    • Megargle, D.J. 1997. Temporal variation in food selection of shovelnose sturgeon in the Missouri River above Fort Peck Reservoir, MT. M.Sc. Thesis. Bozeman, MT: Montana State University. 127 p.
    • Mullen, J.A. 2007. Spatiotemporal variation of fish assemblages in Montana prairie streams. M.Sc. Thesis. Bozeman, MT: Montana State University. 102 p.
    • Mullins, M.S. 1991. Biology and predator use of cisco (Coregonus artedi) in Fort Peck Reservoir, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 68 p.
    • Penkal, R.F. 1977. Black bass populations of the Tongue River Reservoir, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 111 p.
    • Rosenthal, L.R. 2007. Evaluation of distribution and fish passage in relation to road culverts in two eastern Montana prairie streams. M.Sc. Thesis. Bozeman, MT: Montana State University. 78 p.
    • Stash, S.W. 2001. Distribution, relative abundance, and habitat associations of Milk River fishes related to irrigation diversion dams. M.Sc. Thesis. Bozeman, MT: Montana State University. 82 p.
    • Stringer, A.L. 2018. Status of Northern Pearl Dace and chrosomid dace in prairie streams of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 150 p.
    • Trenka, R.J. 2000. Community structure and habitat associations of fishes of the lower Tongue and Powder Rivers. M.Sc. Thesis. Bozeman, MT: Montana State University. 85 p.
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Citation for data on this website:
Channel Catfish — Ictalurus punctatus.  Montana Field Guide.  .  Retrieved on , from