Specimen Information

Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic

Specimen ID1757547
GroupFishes
GenusGymnocephalus
Speciescernua
Common NameRuffe
CountryCanada
StateON
LocalitySt. Marys River, St. Joseph Channel
Mapping AccuracyAccurate
HUC8 NameSt. Marys
HUC8 Number04200002
HUC10 NameEagle Point-Saint Marys River
HUC10 Number0420000209
HUC12 NameEagle Point-St. Marys River
HUC12 Number042000020903
Map
Collection Day26
Collection Month8
Collection Year2024
Year AccuracyActual
Potential Pathwaydispersed
Record TypePersonal communication
VerifierOntario Ministry of Natural Resources
Freshwater/MarineFreshwater
Number Collected1


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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/17/2025].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.