Redside Dace
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Name and Code
Family
Leuciscidae - minnows
Species
Clinostomus elongatus
Taxonomic Authority
(Kirtland 1840)
Common Name(s)
Redside Dace
French Name
méné long
Species Code
184
Family TSN
1198935
Parent TSN
163370
Species TSN
163373
Conservation Status
Global Rank (GRank)
G3G4 (2011-11-04)
National Rank (NRank)
N1 (2019-10-23)
Provincial Rank (SRank)
S1 (2019-10-23)
COSEWIC Status
Endangered (Nov 2017)
SARO Status
Endangered (2020)
AFS Status
Vulnerable (1,4)
Status Notes
none
Ecological Value
Ontario Origin
native
General Abundance
rare
Tolerance
intolerant
Economic Importance
none
Length-Weight Regression Coefficents
Intercept (a)
no data
Slope (b)
no data
Length Basis
n/a
Habitat and Feeding
General Habitat(s)
riverine
Environment
benthopelagic
Trophic Class
invertivore
Thermal Regime
coolwater
Habitat Preference
pools and slow-moving sections of relatively small (<10 m width), clear, cool, streams with sand or gravel bottoms , riffle/pool habitat and overhanging vegetation; preferred water temperature range 14-23°C
Reproduction
Reproductive Guild
Nonguarders: Brood Hiders: Lithophils
Spawning Habitat(s)
riverine
Spawning Season
spring
Spawning Month(s)
May-June
Spawning Temperature (°C)
16-19
Fecundity
409-1,971
Nursery Habitat(s)
riverine
Size and Age
Adult Length (cm)
6.4-9.7 TL
Adult Weight (kg)
0.003-0.007
Age at Maturity (yrs)
2-3
Maximum Length (cm)
11.8 TL
Maximum Weight (kg)
0.0101
Lifespan (yrs)
3-5
Ontario Records
Record Length (cm)
10.9 TL
Record Weight (kg)
none
Ontario Range Map
Redside Dace range
Ontario Distribution
western Lake Ontario tributaries, Irvine Creek (Lake Erie tributary), Saugeen River watershed, Gully Creek and Two Tree River (Lake Huron tributaries), and Holland River watershed (Lake Simcoe tributary)
Photographs
Redside Dace photograph
Redside Dace photograph
Notes
sensitive to turbidity and removal of riparian vegetation; presently restricted to relatively undisturbed headwaters of many streams where it was once widespread; use as bait prohibited
Information Sources
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