Specimen Information

Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic

Specimen ID877622
GroupFishes
GenusGymnocephalus
Speciescernua
Common NameRuffe
StateMI
CountyChippewa
LocalityRoxbury Creek, approximately 250 m upstream of mouth
Mapping AccuracyAccurate
HUC8 NameWaiska
HUC8 Number04020203
HUC10 NameAnkodosh Creek-Frontal Lake Superior
HUC10 Number0402020301
HUC12 NameRoxbury Creek-Frontal Lake Superior
HUC12 Number040202030101
Map
+
Collection Day13
Collection Month8
Collection Year2015
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
CommentsOnly one voucher photo of YOY with measurement. Sample period was 8/13 to 9/3.
Record TypePersonal communication
DisposalLake Superior State University
Freshwater/MarineFreshwater
Number Collected18
Year Class0
Size45 mm TL
Number of Juveniles1


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 [12/5/2019].

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.