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| Gravel Chub |
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| Return To Search |
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| Name and Code |
| Family |
| Leuciscidae - minnows
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| Species |
| Erimystax x-punctatus |
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| Taxonomic Authority |
| (Hubbs & Crowe 1956) |
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| Common Name(s) |
| Gravel Chub |
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| Conservation Status |
| Global Rank (GRank) |
| G4 (2011-12-01) |
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| National Rank (NRank) |
| NX (2017-12-22) |
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| Provincial Rank (SRank) |
| SX (2011-05-04) |
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| COSEWIC Status |
| Extirpated (May 2019) |
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| SARO Status |
| Extirpated (2020) |
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| Ecological Value |
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| General Abundance |
| extirpated |
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| Length-Weight Regression Coefficents |
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| Habitat and Feeding |
| General Habitat(s) |
| riverine |
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| Trophic Class |
| invertivore |
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| Habitat Preference |
| gravel riffles and runs of clear to moderately turbid creeks and small to large rivers, with substrates free of unconsolidated silts and clays |
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| Reproduction |
| Reproductive Guild |
| Nonguarders: Open substratum spawners: Lithophils |
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| Spawning Habitat(s) |
| riverine |
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| Spawning Month(s) |
| April-June |
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| Spawning Temperature (°C) |
| 15-16 |
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| Nursery Habitat(s) |
| riverine |
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| Size and Age |
| Adult Length (cm) |
| 6.4-9.7 TL |
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| Adult Weight (kg) |
| 0.004-0.0065 |
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| Age at Maturity (yrs) |
| 1-2 |
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| Maximum Length (cm) |
| 10.2 TL |
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| Maximum Weight (kg) |
| 0.015 |
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| Ontario Records |
| Record Length (cm) |
| 9.4 TL |
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| Ontario Range Map |
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Ontario Distribution |
| Thames River (extirpated), last reported in 1958 |
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| Photographs |
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| Notes |
| sensitive to high turbidity and siltation; use as bait prohibited |
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| Information Sources |
| Barbour, M.T., J. Gerritsen, B.D. Snyder, and J.B. Stribling. 1999. Tolerance and trophic guilds of selected fish species. Appendix C in Rapid bioassessment protocols for use in streams and wadeable rivers: periphyton, benthic macroinvertebrates and fish, second edition. EPA 841-B-99-002. U.S. Environmental Protection Agency; Office of Water. Washington, DC. |
| Becker, G.C. 1983. Fishes of Wisconsin. University of Wisconsin Press. Madison, WI. xii + 1052 pp. |
| Carlander, K.D. 1969. Handbook of freshwater fishery biology. Volume one. Life history data on freshwater fishes of the United States and Canada, exclusive of the Perciformes. Iowa State University Press. Ames, IA. vi + 752 pp. |
| 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 + 89 p. |
| Cooper, E.L. 1983. Fishes of Pennsylvania and the northeastern United States. Pennsylvania State University Press. University Park and London. vii + 243 pp. |
| COSEWIC. 2008. COSEWIC assessment and update status report on the Gravel Chub Erimystax x-punctatus in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vi + 21 pp. |
| COSEWIC. 2022. Canadian wildlife species at risk. October 2022. Committee on the Status of Endangered Wildlife in Canada. Gatineau, QC. iv + 136 pp. |
| 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. |
| Cudmore-Vokey, B. and E.J. Crossman. 2000. Checklists of the fish fauna of the Laurentian Great Lakes and their connecting channels. Can. MS Rpt. Fish. Aquat. Sci. 2550: v + 39 p. |
| Ditz, K. and E. Holm. 2023. Ontario Fish Species Codes and Names. Ichthyology and Herpetology, Royal Ontario Museum. May 1994. Modified February 2023. |
| 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. |
| Halliwell, D.B., R.W. Langdon, R.A. Daniels, J.P. Kurtenbach, and R.A. Jacobson. 1999. Classification of freshwater fishes of the northeastern United States for use in the development of indices of biological integrity. Pages 301-337 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. 2021. A field guide to freshwater fishes of Ontario, second edition. Royal Ontario Museum Science Publication. Toronto, ON. 486 pp. |
| Hubbs, C.L. and K.F. Lagler. 1964. Fishes of the Great Lakes region. University of Michigan Press. Ann Arbor, MI. xv + 213 pp. |
| Hubbs, C.L., K.F. Lagler, and G.R. Smith. 2004. Fishes of the Great Lakes region, revised edition. University of Michigan Press. Ann Arbor, MI. xvii + 276 pp. |
| Integrated Taxonomic Information System (ITIS). 2023. On-line database. http://www.itis.gov, retrieved 02 May 2023. |
| Lee, D.S., C.R. Gilbert, C.H. Hocutt, R.E. Jenkins, D.E. McAllister, and J.R. Stauffer, Jr. 1980. Atlas of North American freshwater fishes. North Carolina State Museum of Natural History Publication 1980-12. Raleigh, NC. x + 867 pp. |
| Mandrak, N.E. and E.J. Crossman. 1992. A checklist of Ontario freshwater fishes annotated with distribution maps. Royal Ontario Museum Life Sciences Miscellaneous Publication. Toronto, ON. v + 176 pp. |
| McAllister, D.E., B.J. Parker, and P.M. McKee. 1985. Rare, endangered and extinct fishes in Canada. Syllogeus 54. National Museum of Natural Sciences. Ottawa, ON. 192 pp. |
| NatureServe. 2023. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available https://explorer.natureserve.org/ (Accessed: February 2, 2023). |
| O. Reg. 230/08 (2023). Species at Risk in Ontario List. under Endangered Species Act, 2007, S.O. 2007, c. 6.. https://www.ontario.ca/laws/regulation/080230 January 25, 2023. |
| Page, L.M. and B.M. Burr. 2011. Peterson field guide to freshwater fishes of North America north of Mexico, second edition. Houghton Mifflin Harcourt. Boston, MA. xix + 663 pp. |
| Page, L.M., H. Espinosa-Pérez, L.T. Findley, C.R. Gilbert, R.N. Lea, N.E. Mandrak, R.L. Mayden, and J.S. Nelson. 2013. Common and scientific names of fishes from the United States, Canada, and Mexico. 7th Edition. American Fisheries Society, Spec. Publ. 34. Bethesda, MD. 243 pp. |
| Parker, B. and P. McKee. 1987. Status of the Gravel Chub, Hybobsis x-punctata, in Canada. Can. Field-Nat. 101(2):237-240. |
| Parker, B., P. McKee, and R.R. Campbell. 1988. Updated status of the Gravel Chub, Hybopsis x-punctata, in Canada. Can. Field-Nat. 102(1):158-162. |
| Phillips, G.L., W.D. Schmid, and J.C. Underhill. 1982. Fishes of the Minnesota region. University of Minnesota Press. Minneapolis, MN. x + 248 pp. |
| Scott, W.B. 1967. Freshwater fishes of eastern Canada, second edition. University of Toronto Press. Toronto, ON. xii + 137 pp. |
| Scott, W.B. and E.J. Crossman. 1973. Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184. [1998 Reprint] Galt House Publications Ltd. Oakville, ON. xx + 966 pp. |
| Scharpf, C. 2005. Annotated checklist of North American freshwater fishes, including subspecies and undescribed forms. Part I: Petromyzontidae through Cyprinidae. American Currents 31(4):1-44. |
| Simon, T.P. 1999. Assessment of Balon?s reproductive guilds with application to midwestern North American freshwater fishes. Pages 97-122 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. |
| Smith, C.L. 1985. The inland fishes of New York State. New York State Department of Environmental Conservation. Albany, NY. xi + 522 pp. |
| Smith, P.W. 2002. The fishes of Illinois. University of Illinois Press. Urbana and Chicago, IL. xxix + 314 pp. |
| Stauffer, Jr., J.R., J.M. Boltz and L.R. White. 1995. The fishes of West Virginia. Reprinted from The Proceedings of the Academy of Natural Sciences of Philadelphia 146:1-389. Pennsylvania State University. 389 pp. |
| Stauffer, Jr., J.R., R.W. Criswell and D.P. Fischer. 2016. The fishes of Pennsylvania. Cichlid Press. El Paso, TX. 556 pp. |
| Trautman, M.B. 1981. The fishes of Ohio with illustrated keys, revised edition. Ohio State University Press. Columbus, OH. xxv + 782 pp. |
| Warren, M.L., Jr., and B.M. Burr [Eds]. 2014. Freshwater Fishes of North America, Volume 1: Petromyzontidae to Catostomidae. Johns Hopkins University Press, Baltimore, Maryland. xv + 644 pp. |
| Werner, R.G. 2004. Freshwater fishes of the northeastern United States: a field guide. Syracuse University Press. Syracuse, NY. xiv + 335 pp. |
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