Tench
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Name and Code
Family
Tincidae - tenches
Species
Tinca Tinca
Taxonomic Authority
(Linnaeus, 1758)
Common Name(s)
Tench
French Name
tanche
OMNRF Code
483
Family TSN
163342
Parent TSN
163347
Species TSN
163348
Conservation Status
Global Rank (GRank)
G5 (1996-09-17)
National Rank (NRank)
NNA (2017-12-22)
Provincial Rank (SRank)
SNR
COSEWIC Status
none
SARO Status
none
AFS Status
none
Status Notes
none
Ecological Value
Ontario Origin
introduced
General Abundance
limited distribution
Tolerance
tolerant
Economic Importance
invasive species
Length-Weight Regression Coefficents
Intercept (a)
no data
Slope (b)
no data
Length Basis
n/a
Habitat and Feeding
General Habitat(s)
lacustrine; riverine
Environment
benthic
Trophic Class
invertivore/herbivore
Thermal Regime
warmwater
Habitat Preference
clear, slow streams, shallow weedy lakes, ponds, wetlands and impoundments with clay, silt, sand or detritus substrates; preferred water temperature range 28-34°C
Reproduction
Reproductive Guild
Nonguarders: Open substratum spawners: Phytophils
Spawning Habitat(s)
lacustrine; riverine
Spawning Season
spring-summer
Spawning Month(s)
June-July
Spawning Temperature (°C)
20-24
Fecundity
18,400-1,241,200
Nursery Habitat(s)
lacustrine; riverine
Size and Age
Adult Length (cm)
20-40 TL
Adult Weight (kg)
0.16-1.36
Age at Maturity (yrs)
3-4 (m); 4-5 (f)
Maximum Length (cm)
84 TL
Maximum Weight (kg)
7.94
Lifespan (yrs)
15-20
Ontario Records
Record Length (cm)
46.5 TL
Record Weight (kg)
1.39
Ontario Range Map
Tench range
Ontario Distribution
eastern Lake Ontario (Bay of Quinte), St. Lawrence River (Lake St. Francis); first reported from Ontario waters of the upper St. Lawrence River near Cornwall in 2016
Photographs
Tench photograph
Tench photograph
Notes
indigenous to Eurasia; tolerant of low dissolved oxygen
Information Sources
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Coad, B.W. with H. Waszczuk and I. Labignan. 1995. Encyclopedia of Canadian fishes. Museum of Nature and Canadian Sportfishing Productions. Ottawa and Waterdown, ON. viii + 928 pp.
Coker, G.A., C.B. Portt, and C.K. Minns. 2001. Morphological and ecological characteristics of Canadian freshwater fishes. Can. MS Rpt. Fish. Aquat. Sci. 2554:iv+89p.
Cudmore, B., and N.E. Mandrak. 2011. Biological synopsis of Tench (Tinca tinca). Can. MS Rpt. Fish. Aquat. Sci. 2948: y + 20p.
Cudmore, B. and N.E. Mandrak. 2018. The baitfish primer: a guide to identifying and protecting Ontario’s baitfishes. Fisheries and Oceans Canada, Bait Association of Ontario, Ontario Ministry of Natural Resources and Forestry, Ontario Federation of Anglers and Hunters. March 2018. 40 pp.
Desroches, J-F. and I. Picard. 2013. Poissons d’eau douce du Québec et des Maritimes. Éditions Michel Quintin. Waterloo, QC. 471 pp.
Ditz, K. and E. Holm. 2018. Ontario Ministry of Natural Resources and Forestry, Fish Species Codes & Names. Ichthyology and Herpetology, Royal Ontario Museum. May 1994. Modified January 2018.
Goldstein, R.M. and T.P. Simon. 1999. Toward a united definition of guild structure for feeding ecology of North American freshwater fishes. Pages 123-202 in T.P. Simon [Ed]. Assessing the sustainability and biological integrity of water resources using fish communities. CRC Press. Boca Raton, FL. xx + 671 pp.
Holm, E., N. Mandrak, and M. Burridge. 2009. The ROM field guide to freshwater fishes of Ontario. Royal Ontario Museum Science Publication. Toronto, ON. 462 pp.
Integrated Taxonomic Information System (ITIS). 2014. On-line database. (http://www.itis.gov), accessed 07 June 2014.
Kottelat, M. and J. Freyhof. 2007. Handbook of European freshwater fishes. Cornol, Switzerland. xiii + 646 p.
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Lui, K., M. Butler, M. Allen, E. Snyder, J. da Silva, B. Brownson and A. Ecclestone. 2010. Field guide to aquatic invasive species (3rd Edition): identification, collection and reporting of aquatic invasive species in Ontario waters. Ontario Ministry of Natural Resources.
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Werner, R.G. 2004. Freshwater fishes of the northeastern United States: a field guide. Syracuse University Press. Syracuse, NY. xiv + 335 pp.