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Ruffe, Gymnocephalus cernuus: Newly introduced in North America

Canadian Journal of Fisheries and Aquatic Sciences

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Abstract

The Eurasian ruffe, Gymnocephalus cernuus, was collected from the lower St. Louis River, Lake Superior's westernmost tributary, in late summer 1987. This is the first known occurrence of the ruffe in North America. The likely vector for this species was ballast water of a transoceanic vessel dumped into the international port of Duluth-Superior located on the lower end of the St. Louis River. The ruffe is increasing in abundance and expanding its range to other tributaries and nearshore areas of Lake Superior.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Ruffe, Gymnocephalus cernuus: Newly introduced in North America
Series title:
Canadian Journal of Fisheries and Aquatic Sciences
Volume
49
Issue:
8
Year Published:
1992
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 1616-1618
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Canadian Journal of Fisheries and Aquatic Sciences
First page:
1616
Last page:
1618
Number of Pages:
2