Scientific Name: Clinostomus elongatus
Taxonomy Group: Fishes
Last COSEWIC Assessment: April 2007
Last COSEWIC Designation: Endangered
SARA Status: Schedule 3, Special Concern - (SARA Schedule 1 provisions do not apply)
Image of Redside Dace
Information about this species
General Description The Redside Dace (Clinostomus elongatus) is a very colourful minnow. It is a member of the carp and minnow family Cyprinidae and has the following characteristics: Large mouth with a protruding lower jaw Large pectoral fins in males Relatively small scales (59 to 75 lateral scales) Adults develop a wide, bright red stripe along the front half of the body; a bright yellow stripe above extends to near the tail fin Colours brighten during the spring and fade during the late summer and fall Males are more brightly coloured than females Prior to spawning, males develop tubercles on the pectoral .ns and top of the head Maximum length is 12 cm Distribution The Redside Dace has a discontinuous range in North America. In the west, it occurs mainly in Wisconsin with smaller populations in Minnesota, Illinois and Iowa. In the south, it is found in Kentucky and West Virginia, extending northeastward in a wide band through Ohio, Pennsylvania and northcentral New York. Its northern extent includes the Lake Superior drainage in the the upper peninsula of Michigan and the north end of Lake Huron in Ontario where it exists in three tributaries. Its Canadian distribution also includes tributaries of western Lake Ontario, the Holland River (Lake Simcoe drainage), and in Irvine Creek (Lake Erie drainage). The Canadian range comprises roughly 5% of its global range. Habitat and Life History The Redside Dace is a coolwater species found in pools and slow-.owing areas of small headwater streams with a moderate to high gradient. Overhanging grasses and shrubs, as well as undercut banks, are an important part of their habitat, as are instream boulders and large woody debris. Substrate is variable and includes silt, gravel and boulders. Fish mature at around two years of age. In May, spawning occurs in shallow riffle areas and eggs are often deposited in the nests of other minnows. There is no parental care; however, the nest-guarding male and the nest itself may provide some protection to the eggs. The lifespan of the Redside Dace is generally four years or less. Diet The Redside Dace is a visual, surface feeder. It often feeds on terrestrial insects, such as adult flies, at the surface of the lake, leaping several cm in the air to catch them. Its large, upturned mouth is well suited to feeding from below the surface. Threats Habitat degradation and loss associated with intensive urbanization is the most important threat to the Redside Dace in Ontario. Contributing factors associated with urban development include changes in the stream structure, such as channel widening and decreased pool depth, removal of bank vegetation that provides cover, food and moderates water temperature, and siltation. Similarly, intensive agricultural practices, such as row cropping and grazing, compromise water quality and habitat of the Redside Dace Similar Species A number of other minnows such as the Northern Redbelly Dace (Phoxinus eos), Finescale Dace (P. neogaeus), Blacknose Dace (Rhinichthys atratulus species complex), and Pearl Dace (Margariscus margarita) also develop a red stripe; however, it extends farther back to the tail.
Grand River Recovery Team
Shawn Staton - Chair/Contact - Fisheries and Oceans Canada
Phone: 905-336-4864 Fax: 905-336-6437 Send Email
Redside Dace Recovery Team
Mark Heaton - Chair/Contact - Government of Ontario
PLEASE NOTE: Not all COSEWIC reports are currently available on the SARA Public Registry. Most of the reports not yet available are status reports for species assessed by COSEWIC prior to May 2002. Other COSEWIC reports not yet available may include those species assessed as Extinct, Data Deficient or Not at Risk. In the meantime, they are available on request from the COSEWIC Secretariat.
7 record(s) found.
- COSEWIC Status Reports (1 record(s) found.)
- COSEWIC Assessments (1 record(s) found.)
- Response Statements (1 record(s) found.)
- Orders (2 record(s) found.)
- COSEWIC Annual Reports (1 record(s) found.)
- Consultation Documents (1 record(s) found.)
COSEWIC Status Reports
COSEWIC Annual Reports
COSEWIC Annual Report - 2007 (2007)2007 Annual Report to the The Minister of the Environment and the Canadian Endangered Species Conservation Council (CESCC) from the Committee on the Status of Endangered Wildlife in Canada.
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