Spotted Sucker
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Name and Code
Family
Catostomidae - suckers
Species
Minytrema melanops
Taxonomic Authority
(Rafinesque, 1820)
Common Name(s)
Spotted Sucker
French Name
meunier tacheté
OMNR Code
167
Family TSN
163892
Parent TSN
163958
Species TSN
163959
Conservation Status
Global Rank (GRank)
G5 (1996-09-19)
National Rank (NRank)
N2 (1997-09-10)
Provincial Rank (SRank)
S2 (1997-10-06)
COSEWIC Status
Special Concern (Nov 2014)
SARO Status
Special Concern
AFS Status
none
Ecological Value
Ontario Origin
native
General Abundance
rare
Tolerance
intermediate
Economic Importance
none
Habitat and Feeding
General Habitat(s)
lacustrine; riverine
Environment
benthic
Trophic Class
invertivore
Thermal Regime
warmwater
Habitat Preference
nearshore of lakes and deep pools of creeks and small to medium rivers with firm sandy, gravelly or rocky substrates; preferred water temperature range 25-27°C
Reproduction
Reproductive Guild
Nonguarders: Open substratum spawners: Litho-pelagophils
Spawning Habitat(s)
riverine
Spawning Season
spring
Spawning Month(s)
May-June
Spawning Temperature (°C)
12-19.5
Fecundity
19,600-51,000
Nursery Habitat(s)
riverine
Size and Age
Adult Length (cm)
22.9-38.1 TL
Adult Weight (kg)
0.14-0.74
Age at Maturity (yrs)
2-4 (m); 3-5 (f)
Maximum Length (cm)
58.0 TL
Maximum Weight (kg)
1.73
Lifespan (yrs)
6 (m); 8 (f)
Ontario Range Map
Spotted Sucker range
Ontario Distribution
western Lake Erie, Detroit River, Lake St. Clair and tributaries, St. Clair River, Sydenham River, Thames River; first reported from Ontario waters of Lake St. Clair in 1962
Photograph
Spotted Sucker photograph
Notes
intolerant of turbidity, siltation and industrial pollution; use as live bait prohibited
Ontario Records
Record Length (cm)
51.0 TL
Record Weight (kg)
none
Information Sources
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