Smallmouth Buffalo
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Name and Code
Family
Catostomidae - suckers
Species
Ictiobus bubalus
Taxonomic Authority
(Rafinesque, 1818)
Common Name(s)
Smallmouth Buffalo
French Name
buffalo à petite bouche
OMNR Code
175
Family TSN
163892
Parent TSN
163954
Species TSN
163955
Conservation Status
Global Rank (GRank)
G5 (2012-02-20)
National Rank (NRank)
NNR
Provincial Rank (SRank)
SNR
COSEWIC Status
none
SARO Status
none
AFS Status
none
Ecological Value
Ontario Origin
introduced
General Abundance
rare
Tolerance
tolerant
Economic Importance
none
Habitat and Feeding
General Habitat(s)
lacustrine; riverine
Environment
benthic
Trophic Class
benthic insectivore
Thermal Regime
warmwater
Habitat Preference
warm, clear to moderately turbid pools, backwaters, oxbows and deeper waters of large rivers, reservoirs and lakes
Reproduction
Reproductive Guild
Nonguarders: Open substratum spawners: Litho-pelagophils
Spawning Habitat(s)
lacustrine; riverine
Spawning Season
spring
Spawning Month(s)
May-June
Spawning Temperature (°C)
13-21
Fecundity
14,470-501,360
Nursery Habitat(s)
lacustrine; riverine
Size and Age
Adult Length (cm)
41.1-60.5 TL
Adult Weight (kg)
1.0-4.2
Age at Maturity (yrs)
4-5 (m); 6 (f)
Maximum Length (cm)
122 TL
Maximum Weight (kg)
41.73
Lifespan (yrs)
12-19
Ontario Range Map
Smallmouth Buffalo range
Ontario Distribution
Lake Erie, Lake St. Clair; introduced to U.S. waters of Lake Erie
Photograph
Smallmouth Buffalo photograph
Notes
hybridization with Black Buffalo and Bigmouth Buffalo has been reported; Ontario populations may be hybrids
Ontario Records
Record Length (cm)
none
Record Weight (kg)
none
Information Sources
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Integrated Taxonomic Information System (ITIS). 2014. On-line database. (http://www.itis.gov), accessed 07 June 2014.
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