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- Title
First Records of the Yellow Bullhead, Ameiurus natalis, a Loricariid Catfish, Panaque suttonorum, and a Silver Pacu, Piaractus cf. P brachypomus, in British Columbia.
- Authors
Hanke, G. F.; McNall, M. C. E.; Roberts, J.
- Abstract
In Canada, there are no native catfish west of the continental divide and until recently, the list of extant exotic catfishes in British Columbia only included introduced Black Bullhead (Ameiurus melas) and Brown Bullhead (Ameiurus nebulosus). We report that a single Yellow Bullhead (Ameiurus natalis) was collected from Silvermere Lake in the Lower Fraser River drainage. This represents the first record of the Yellow Bullhead in western Canada, and its introduction likely was accidental with a shipment of Largemouth Bass (Micropterus salmoides) rather than dispersal from Washington. Warm, eutrophic, weedy habitat in the Fraser Delta provides ample habitat for Yellow Bullheads and other exotic fishes. A Blue-eyed Panaque (Panaque suttonorum), a loricartid catfish found in 1995 in Shawnigan Lake, Vancouver Island, probably represents a single, illegally released aquarium fish, as does a large Silver Pacu (Piaractus cf. P brachypomus), which was found in Green Lake on Vancouver Island in 2004.
- Subjects
BRITISH Columbia; EXOTIC fishes; CATFISHES; COTTUS bairdii; LORICARIIDAE; TAMBAQUI; AMEIURUS; LARGEMOUTH bass; FISH habitats; LAKES
- Publication
Canadian Field-Naturalist, 2006, Vol 120, Issue 4, p421
- ISSN
0008-3550
- Publication type
Article
- DOI
10.22621/cfn.v120i4.349