Cat-eLog Right Arrow Ictaluridae Right Arrow Pylodictis

Jump to next section Cat-eLog Data Sheet
Scientific Name Pylodictis olivaris  (Rafinesque, 1818)
Common Names Flat Head Catfish
Appaloosa Catfish, Appaluchion, Fladhovedet Dværgmalle (Denmark), Flat Belly Catfish, Goujon, Mississippi Catfish, Mud Catfish, North American Flathead Catfish, Tabby Catfish, Yellow Catfish
Type Locality Ohio River, U.S.A.
Synonym(s) Silurus olivaris
Pronunciation pie low dik tuss - olive ARR iss
Etymology Pylodictis: From the Greek, pelos, meaning mud, and ichthys, meaning fish; in reference to the habit. The specific epithet, olivaris, means olive coloured.
Jump to next section Species Information
Size 1530mm or 60.2" SL. Find near, nearer or same sized spp.
Identification Unique looking among North American catfish, the hands down ugliest one. The current rod and reel record from Elk City Reservoir in Kansas stands at 123 pounds. Commercial fishermen have recorded flatheads at five feet long and 140 pounds.
Sexing Unknown
Jump to next section Habitat Information
Distribution Native to the southern Great Lakes, Mississippi basin, and Gulf slope drainage systems. Introduced to the Atlantic drainage systems and in California.
North American Atlantic Drainages, Great Lakes, Lake Michigan (click on these areas to find other species found there)
Gulf Coast Drainages, Mississippi (click on these areas to find other species found there)
North American Atlantic Drainages, Great Lakes, Lake Erie (click on these areas to find other species found there)
Gulf Coast Drainages (click on these areas to find other species found there)
North American Atlantic Drainages, Great Lakes, Saint Clair, Thames (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2012.
pH 6.0 - 7.6
Temperature 10.0-23.0°C or 50-73.4°F (Show species within this range)
Other Parameters Prefers large deep rivers. It also tolerates turbidity well. At night, it moves into shallows to feed. They rest in deep pools during the day under logs and cut banks. This fish prefers hard sand and gravel substrates.
Jump to next section Husbandry Information
Feeding Crayfish, clams, and especially other fishes.
Furniture Not a fish for the home aquarium.
Compatibility Anything it can not swallow. This is North America's fourth largest fish after the blue catfish.
Breeding A saucer-shaped depression is excavated and thousands of eggs are laid in a yellow mass. The males guards and fans the eggs.
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference American Monthly Magazine and Critical Review v. 3 (no. 5) (art. 3) (Sept.), pp 355.
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There are 14 registered keepers, view all "my cats" data.
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There are 3 records of this fish being seen, view them all.
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Last Update 2019 Oct 30 12:36 (species record created: 2001 Apr 25 00:00)