States/Provinces Summary
Gambusia affinis  in Alberta, Canada
Main ref. (1739). Welcomme, R.L., 1988. International introductions of inland aquatic species. FAO Fish. Tech. Pap. 294. 318 p. 
Status: introduced 
Abundance:  
Comments: Introduced to the Cave and Basin Hotsprings at Banff (Ref. 1739). This species could not normally exist in Canada (Ref. 52559). 
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