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NAS - Nonindigenous Aquatic Species



Gymnocephalus cernuus
(ruffe)
Fishes
Exotic to United States


Specimen ID156432
GroupFishes
GenusGymnocephalus
Speciescernuus
Common Nameruffe
StateWI
CountyBayfield
LocalityLake Superior at Siskiwit Bay (Station 84)
HUC8 NameBeartrap-Nemadji
HUC8 Number4010301
Day25
Month7 (July)
Year2001
Year Accuracy (Specimen)Actual
Contact[not displayed for privacy reasons]
Primary Pathwayshipping ballast water
Statusestablished
Reference #1
Ref. Number13437
AuthorCzypinski, G. D., A. K. Bowen, M. T. Weimer, A. Dextrase
date2002
titleSurveillance for ruffe in the Great Lakes, 2001.
publisherU.S. Fish and Wildlife Service, Ashland, WI
pages36 p.
Record TypeLiterature
Fresh/Marine IntroductionFreshwater
Number Collected/Observed1





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