This report summarizes the status of non-native freshwater fish species presence in British Columbia, as well as the state of information regarding biotic effects of these species, up to 2005. A brief overview of invasive theory is provided, including the steps involved from pre-inoculation to impact. The various ecological, social and economic impacts associated with aquatic invasive fish species are described, as well as vectors for introduction. Eighteen fish species non-native to British Columbia or major regions of the province have been reported at least several times based on a data compilation of the provincial fisheries databases that track freshwater fish occurrence information. Four additional species have been observed in a single instance. The biology, habitat needs, potential impacts and recommended management responses are provided for each species in a species account, in addition to a mapped distribution summary. An overall provincial summary regarding trends and suggested management approach is provided.
Hatfield, T., Pollard, S. 2009. Non-Native Freshwater Fish Species in British Columbia: Biology, Biotic Effects, and Potential Management Actions FMR 121. Ministry of Environment. Fisheries Management Report. 121
Topic: Fish and Fish Habitats
Keywords: non-native freshwater fish species
Other Identifier: FMR 121
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