Fallfish
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Name and Code
Family
Leuciscidae - minnows
Species
Semotilus corporalis
Taxonomic Authority
(Mitchill 1817)
Common Name(s)
Fallfish
French Name
ouitouche
Species Code
213
Family TSN
1198935
Parent TSN
163374
Species TSN
163375
Conservation Status
Global Rank (GRank)
G5 (2016-02-08)
National Rank (NRank)
N5 (2016-02-08)
Provincial Rank (SRank)
S4 (1988-11-22)
COSEWIC Status
none
SARO Status
none
AFS Status
none
Status Notes
none
Ecological Value
Ontario Origin
native
General Abundance
uncommon
Tolerance
intermediate
Economic Importance
bait fish (occasional)
Length-Weight Regression Coefficents
Intercept (a)
-5.6336
Slope (b)
3.3039
Length Basis
TL
Habitat and Feeding
General Habitat(s)
lacustrine; riverine
Environment
benthopelagic
Trophic Class
invertivore/carnivore
Thermal Regime
coolwater
Habitat Preference
gravel- and cobble-bottomed pools and runs of small to medium rivers, and lake margins; preferred water temperature 22.3°C
Reproduction
Reproductive Guild
Nonguarders: Brood hiders: Lithophils
Spawning Habitat(s)
riverine
Spawning Season
spring
Spawning Month(s)
May-June
Spawning Temperature (°C)
14-19
Fecundity
2,000-12,321
Nursery Habitat(s)
riverine
Size and Age
Adult Length (cm)
15.5-36.5 TL
Adult Weight (kg)
0.04-0.68
Age at Maturity (yrs)
2-3 (m); 3-4 (f)
Maximum Length (cm)
54.0 TL
Maximum Weight (kg)
1.7
Lifespan (yrs)
6-10
Ontario Records
Record Length (cm)
47.0 TL
Record Weight (kg)
1.43
Ontario Range Map
Fallfish range
Ontario Distribution
eastern Ontario, James Bay tributaries
Photographs
Fallfish photograph
Fallfish photograph
Notes
hybrids occur with Common Shiner; largest native minnow species occurring in Ontario
Information Sources
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