Specimen Information

Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic

Specimen ID35624
GroupFishes
GenusGymnocephalus
Speciescernua
Common NameRuffe
StateMI
CountyOntonagon
LocalityFiresteel River near mouth (Lake Superior)[~7 mi. NE of Ontonagon, MI]
Mapping AccuracyAccurate
HUC8 NameKeweenaw Peninsula
HUC8 Number04020103
HUC10 NameFiresteel River-Frontal Lake Superior
HUC10 Number0402010301
HUC12 NameFlintsteel River
HUC12 Number040201030103
Map
+
Collection Day22
Collection Month6
Collection Year1999
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
Record TypePersonal communication
Disposaldiscarded
VerifierGary Czypinski, USFWS, Ashland, WI
Freshwater/MarineFreshwater
Number Collected1
Year Classadult
Size100 m


Disclaimer:

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/1/2020].

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.