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COSEWIC Assessment and Update Status Report on the Redside Dace in Canada

Existing Protection or Other Status Designations

The harvest of redside dace is prohibited in Ontario as it is a specially protected fish under the Ontario Fisheries Regulations (made under the federal Fisheries Act). The redside dace was assessed by COSEWIC in 1987 as Special Concern (COSEWIC 2004) and a species of Special Concern under Schedule 3 of the federal Species at Risk Act. It is listed as Threatened on the Species at Risk in Ontario List. It has been ranked as “at risk” at the provincial level and “may be at risk” at the national level by the General Status of Wild Species in Canada. The redside dace is considered apparently secure globally (G4) and is ranked as rare (S1 to S3) in most U.S. states where it occurs (Table 2). The sub-national rank for this species in Ontario is S3. The redside dace is listed as Endangered in the states of Indiana (IDNR 2002) and Michigan (Goforth 2000), and is a species of Special Concern in Wisconsin (Lyons et al. 2000).


Table 2: Global, National and Subnational Heritage Ranks for the Redside Dace (Clinostomus elongatus)
Rank levelRankJurisdictions
NationalN4United States
 S3New York, Ontario, Wisconsin
 S1S2Michigan, West Virginia
 SXIowa, Maryland
 SNRMinnesota, Ohio

NatureServe 2006.