Specimen Information

Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic

Specimen ID159147
GroupFishes
GenusGymnocephalus
Speciescernua
Common NameRuffe
StateMI
CountyHoughton
LocalityKeweenaw Waterway (South Entry - Portage Lake) [S of Houghton, MI]
Mapping AccuracyAccurate
HUC8 NameKeweenaw Peninsula
HUC8 Number04020103
HUC10 NamePortage Lake
HUC10 Number0402010303
HUC12 NamePortage Lake-Portage River
HUC12 Number040201030307
Map
+
Collection Day9
Collection Month5
Collection Year2004
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
Record TypePersonal communication
Earliest Recordlocale
Freshwater/MarineFreshwater
Number Collected2
Size78 mm, 79 mmTL


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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/18/2021].

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.