Specimen Information

Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic

Specimen ID46188
GroupFishes
GenusGymnocephalus
Speciescernua
Common NameRuffe
StateWI
CountyAshland
LocalityBad River (100 yards upstream from mouth), southwest shore of Lake Superior about 15 miles east of Ashland.
Mapping AccuracyAccurate
HUC8 NameBad-Montreal
HUC8 Number04010302
HUC10 NameBad River-Frontal Lake Superior
HUC10 Number0401030207
HUC12 NameBad River-Frontal Lake Superior
HUC12 Number040103020705
Map
+
Collection Day12
Collection Month10
Collection Year1993
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
Record TypePersonal communication
Disposalfrozen
VerifierNational Biological Survey biologists, Ashland, WI
Freshwater/MarineFreshwater
Number Collected2
Year Classyoy/adlt
Size47-105 mm


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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/7/2019].

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.