Flathead Catfish

Pylodictis olivaris
(Flathead Catfish)
Fishes
Native Transplant

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Impacts

25 results for Pylodictis olivaris (Flathead Catfish)

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Impact ID	Scientific Name	Impact Type	Study Type	Study Location	Impact Description	Reference
4926	Pylodictis olivaris	Human Health	Observational	Field	Flathead Catfish have long sharp spines on the dorsal fins which are connected to venom glands....	37303
4927	Pylodictis olivaris	Recreation	Anecdotal	N/A	Flathead Catfish is highly regarded as a food fish in some portions of the Great Lakes region when...	24437
4928	Pylodictis olivaris	Commerce	Anecdotal	Field	North American catfishes, including Flathead Catfish, are commercially and recreationally valuable	37297
4929	Pylodictis olivaris	Disease/Parasites/Toxicity	Observational	Field	Flathead Catfish carries a novel species of myxozoan (Henneguya laseeae n. Sp.) in the...	37305
4930	Pylodictis olivaris	Disease/Parasites/Toxicity	Observational	Field	Flathead Catfish carries a novel species of flatworm (Ligictaluridus michaelalicea n. Sp)...	37304
4931	Pylodictis olivaris	Predation/Herbivory	Observational	Field	While uncommon, Flathead Catfish have been recorded to prey on Pallid Sturgeon (Scaphirhynchus...	37309
4932	Pylodictis olivaris	Predation/Herbivory	Observational	Field	Predatory impacts of Flathead Catfish could have significant per capita effects on native...	37308
4933	Pylodictis olivaris	Predation/Herbivory	Observational	Field	Intensive predation by Flathead Catfish and Channel Catfish (Ictalurus punctatus) on...	25136
4934	Pylodictis olivaris	Predation/Herbivory	Observational	Field	A severe decline in native fish species, particularly native Bullhead species, was observed in the...	706
4935	Pylodictis olivaris	Predation/Herbivory	Observational	Field	Many feeding studies have found that Flathead Catfish prey heavily on Sunfish Lepomis spp.	1725
4936	Pylodictis olivaris	Predation/Herbivory	Observational	Field	Many feeding studies have found that Flathead Catfish prey heavily on Sunfish Lepomis spp.	30232
4937	Pylodictis olivaris	Predation/Herbivory	Experimental	Laboratory	In the upper Gila River, New Mexico, Flathead Catfish had high consumptive demand on native fishes...	28519
9839	Pylodictis olivaris	Predation/Herbivory	Observational	Field	A study in a Minnesota Lake found that Flathead Catfish reduced the number of Common Carp...	30296
9840	Pylodictis olivaris	Predation/Herbivory	Observational	Field	The introduced population of Flathead Catfish in the Flint River system was found to prey largely...	1725
9841	Pylodictis olivaris	Predation/Herbivory	Observational	Field	Feeding studies conducted in the Cape Fear River showed that Flathead Catfish consume mainly...	1491
9842	Pylodictis olivaris	Predation/Herbivory	Observational	Field	In 1979, Flathead Catfish in the Cape Fear River fed primarily on Bullheads Ameiurus spp....	1340
9843	Pylodictis olivaris	Predation/Herbivory	Observational	Field	Flathead Catfish, along with other nonnative piscivorous fishes, have been shown to reduce the...	24498
9844	Pylodictis olivaris	Predation/Herbivory	Observational	Field	In the Ocmulgee River, Georgia, abundances of Silver Redhorse (Moxostoma anisurum), Robust...	833
9845	Pylodictis olivaris	Competition	Observational	Field	The Flathead Catfish became the dominant predator in the Cape Fear drainage of North Carolina...	1491
9846	Pylodictis olivaris	Human Health	Observational	Field	Filets of invasive Flathead Catfish in South Carolina had very high concentrations of mercury, up...	43432
9847	Pylodictis olivaris	Recreation	Anecdotal	Field	In 1996, angling for nonnative trout in the upper Delaware River resulted in $17.69 million in...	15629
9848	Pylodictis olivaris	Other	Anecdotal	Field	As of 2005, over $75 million has been spent on restoring American Shad (Alosa sapidissima)...	15629
9849	Pylodictis olivaris	Recreation	Observational	Field	In the Susquehanna River, Flathead Catfish consumed fishes of economic and ecological importance...	43433
9850	Pylodictis olivaris	Commerce	Observational	Field	In the Susquehanna River, Flathead Catfish consumed fishes of economic and ecological importance...	43433
9851	Pylodictis olivaris	Predation/Herbivory	Observational	Field	In the Susquehanna River, Flathead Catfish consumed fishes of economic and ecological importance...	43433

Data Disclaimer: These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.