Channa argus
Channa argus
(Northern Snakehead)
Fishes
Exotic
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Impacts

24 results for Channa argus (Northern Snakehead)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
2204 Channa argus Competition Experimental N/A At the present level of co-occurrence, a model predicts only a 3.8% reduction in largemouth bass... 32206
2209 Channa argus Competition Anecdotal Field If the abundance of northern snakehead in the Potomac River does not significantly increase, the... 29012
5226 Channa argus Habitat Alteration Observational Field The presence and fear of upstream spread of Channa argus in the Northeastern United States... 37999
5227 Channa argus Other Observational Field The presence and fear of upstream spread of Channa argus in the Northeastern United States... 37999
5295 Channa argus Recreation Observational Field Channa argus are a popular fish among anglers for recreational fishing, both bow fishing... 38194
6471 Channa argus Disease/Parasites/Toxicity Anecdotal N/A Channa argus is a carrier of non-native parasites and other pathogens... 41948
6472 Channa argus Disease/Parasites/Toxicity Observational Field Working with researchers in Japan, the United States Fish and Wildlife Service (USFWS) identified... 32166
6473 Channa argus Disease/Parasites/Toxicity Anecdotal N/A Channa argus introduced parasites to Japan, details of the parasites and affected fish... 33616
6474 Channa argus Competition Anecdotal N/A Due to its voracious predatory nature, wide environmental tolerance, and varied diet, Channa... 32166
6475 Channa argus Competition Anecdotal N/A Competition for habitat is only likely to be significant during spawning seasons. 13490
6476 Channa argus Competition Observational Field Immigration of fish species to Turkmenistan from Uzbekistan, which included Channa argus... 41949
6477 Channa argus Food Web Anecdotal N/A It has been predicted that Channa argus could substantially modify the ecosystem balance... 24019
6478 Channa argus Predation/Herbivory Observational Field Among the forage fish consumed by Channa argus in the Potomac River, Banded Killifish... 32166
6481 Channa argus Commerce Observational Field In the Potomac River, Channa argus has been observed to consume killifish, an important... 15735
6482 Channa argus Recreation Observational Field In the Potomac River, the habitat and feeding preferences of Channa argus appears to... 15735
6483 Channa argus Harvest Anecdotal N/A Channa argus possesses commercial importance in both native and introduced ranges. It is... 36242
6484 Channa argus Harvest Anecdotal N/A Channa argus has historically been imported for sale in live-food fish markets, was... 13490
6485 Channa argus Recreation Anecdotal N/A Some cultures utilize Channa argus during prayer release (freeing captive animals into the... 32166
6532 Channa argus Recreation Observational Field Anglers fish for Channa argus. 42010
6587 Channa argus Disease/Parasites/Toxicity Anecdotal N/A A disease of snakeheads that has received broad attention is epizootic ulcerative syndrome (EUS)... 13490
6588 Channa argus Disease/Parasites/Toxicity Observational Field Channa argus is susceptible to infection from a Mycobacterium isoplate. While the... 42016
6589 Channa argus Competition Observational Field Adult Channa argus show significant diet overlap with largemouth bass (Micropterus... 24962
6590 Channa argus Competition Anecdotal N/A Channa argus are able to tolerate habitats with extremely low dissolved oxygen content... 42017
6591 Channa argus Food Web Anecdotal N/A Adverse impacts on threatened and endangered species would likely be high. Of all the taxa listed... 13490

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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/19/2025].

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