Walking Catfish

Clarias batrachus
(Walking Catfish)
Fishes
Exotic

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Impacts

20 results for Clarias batrachus (Walking Catfish)

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Impact ID	Scientific Name	Impact Type	Study Type	Study Location	Impact Description	Reference
2127	Clarias batrachus	Competition	Anecdotal	N/A	The fishes which are most affected by the walking catfish introduction appear to be the native...	181
2129	Clarias batrachus	Competition	Anecdotal	N/A	The fishes which are most affected by the walking catfish introduction appear to be the native...	181
2130	Clarias batrachus	Predation/Herbivory	Anecdotal	N/A	The favorite foods of walking catfish are those that are easily obtained: attached periphyton for...	181
2131	Clarias batrachus	Predation/Herbivory	Observational	Field	Predation of native fishes by Walking Catfish in south Florida is noted mostly in the dry season...	166
2135	Clarias batrachus	Predation/Herbivory	Observational	Field	Walking catfish and several cichlid species prey upon centrarchid eggs and fry.	466
2136	Clarias batrachus	Predation/Herbivory	Observational	Field	Stomach contents of exotics reveal that small native fishes are the major prey of the Oscar (Hogg...	466
2137	Clarias batrachus	Predation/Herbivory	Observational	Field	Walking catfish are voracious, opportunistic feeders. Stomach contents of 64 specimens yielded 35...	165
2139	Clarias batrachus	Aquaculture/Agriculture	Observational	N/A	Ironically, its greatest negative impact has been to the aquarium fish culture industry in Florida....	1099
2140	Clarias batrachus	Infrastructure	Observational	N/A	Ironically, its greatest negative impact has been to the aquarium fish culture industry in Florida....	1099
2142	Clarias batrachus	Predation/Herbivory	Observational	N/A	Ironically, the greatest negative impact has been to the aquarium fish culture industry in Florida....	1099
2144	Clarias batrachus	Predation/Herbivory	Experimental	Laboratory	The results indicate that C. batrachus may have a relatively small impact on the abundance and...	24012
2145	Clarias batrachus	Human Health	Observational	N/A	From time to time, walking catfish may be seen migrating in masse from water body to water body...	33443
2146	Clarias batrachus	Disease/Parasites/Toxicity	Observational	Field	Early on, Enteric septicemia of catfish was believed to affect only ictalurid catfishes, but in...	33444
2147	Clarias batrachus	Aquaculture/Agriculture	Observational	Laboratory	Early on, Enteric septicemia of catfish was believed to affect only ictalurid catfishes, but in...	33444
2148	Clarias batrachus	Disease/Parasites/Toxicity	Anecdotal	N/A	Walking catfish are known to carry a number of parasites in their native range that may potentially...	33450
2149	Clarias batrachus	Disease/Parasites/Toxicity	Anecdotal	N/A	Walking catfish are known to carry a number of parasites that can potentially harm native fish if...	33449
5504	Clarias batrachus	Commerce	Observational	Field	Clarias batrachus enter aquaculture ponds and eat the stocked fish. Some aquaculturists...	166
5510	Clarias batrachus	Aquaculture/Agriculture	Observational	Field	Clarias batrachus enter aquaculture ponds and eat the stocked fish. Some aquaculturists...	166
5585	Clarias batrachus	Predation/Herbivory	Observational	Field	Clarias batrachus prey on native fish and will often kill large bass without eating them...	167
5621	Clarias batrachus	Competition	Anecdotal	N/A	Clarias batrachus have crowded out native fish in some South Florida waterbodies.	39625

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.