Channa marulius
Channa marulius
(Bullseye Snakehead)

6 results for Channa marulius (Bullseye Snakehead)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
2210 Channa marulius Human Health Observational Laboratory High levels of heavy metals accumulated in the fish could pose a threat to human health if eaten. 33614
2211 Channa marulius Human Health Observational Laboratory "The collected data indicate that fresh water fishes are responsible for a significant source of... 33615
4320 Channa marulius Predation/Herbivory Anecdotal Field Channa marulius have been shown to eat small fish, crayfish, cane toads Rhinella... 36255
4321 Channa marulius Competition Anecdotal Field Channa marulius may outcompete native species for food and habitat. 36255
4322 Channa marulius Recreation Anecdotal Field Channa marulius is a popular sport fish in its introduced range in south Florida. Anglers... 36256
4323 Channa marulius Predation/Herbivory Anecdotal Field Channa marulius typically preys on small fish and crayfish but will occasionally eat... 36257

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.


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/16/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.