Updated status of the Central Stoneroller, Campostoma anomalum, in Canada

The Central Stoneroller was known in Canada from only two areas in Ontario when it was classified as Vulnerable in 1985. It has continued to expand it s range not only where it was originally found in the Thames River drainage , but also throughout southern Ontario. It is now known from the extreme so uthwestern end of Ontario near Kingsville, east to a tributary of the Ridea u River near Perth, and north to a tributary of southern Georgian Bay near Midland. This ecologically important herbivore has the potential to make pr ofound changes in the stream flora and fauna where it occurs in abundance. Moderately tolerant to stream degradation and abundant throughout most of i ts North American range, this large minnow should now be considered as Not at Risk in Canada.