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| Kiyi |
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| Name and Code |
| Family |
| Salmonidae - trouts and salmons |
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| Taxonomic Authority |
| (Koelz 1921) |
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| Conservation Status |
| Global Rank (GRank) |
| G3G4 (2011-11-04) |
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| National Rank (NRank) |
| N3 (2017-12-29) |
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| Provincial Rank (SRank) |
| S31, SX2 (2009-01-06) |
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| COSEWIC Status |
| Special Concern1, Extinct2 (May 2005) |
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| SARO Status |
| Special Concern1, Extinct2 (2008) |
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| AFS Status |
| Possibly Extinct2 (1,2,4) |
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| Status Notes |
| (1) Upper Great Lakes Kiyi; (2) Lake Ontario subspecies (C. kiyi orientalis) |
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| Ecological Value |
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| General Abundance |
| uncommon |
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| Economic Importance |
| commercial fishery (historical) |
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| Length-Weight Regression Coefficents |
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| Habitat and Feeding |
| General Habitat(s) |
| lacustrine |
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| Trophic Class |
| planktivore |
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| Habitat Preference |
| clear, cold, deep waters (55-165 m), usually >110 m; preferred water temperature range 3.7-4.6°C |
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| Reproduction |
| Reproductive Guild |
| Nonguarders: Open substratum spawners: Litho-pelagophils |
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| Spawning Habitat(s) |
| lacustrine |
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| Spawning Month(s) |
| October-December |
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| Spawning Temperature (°C) |
| 2-4 |
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| Nursery Habitat(s) |
| lacustrine |
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| Size and Age |
| Adult Length (cm) |
| 17.3-27.4 TL |
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| Adult Weight (kg) |
| 0.04-0.16 |
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| Age at Maturity (yrs) |
| 2-4 |
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| Maximum Length (cm) |
| 35.1 TL |
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| Maximum Weight (kg) |
| 0.332 |
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| Lifespan (yrs) |
| 7-8 (m); 9-10 (f) |
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| Ontario Records |
| Record Length (cm) |
| 32.5 TL |
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| Ontario Range Map |
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Ontario Distribution |
| Lake Superior, Lake Huron (extirpated), Lake Ontario (extirpated); last reported from Lake Huron in 1973 and Lake Ontario in 1964 |
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| Photographs |
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| Notes |
| hybrids with Bloater are reported |
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| Information Sources |
| Bailey, R.M., W.C. Latta, and G.R. Smith. 2004. An atlas of Michigan fishes with keys and illustrations for their identification. University of Michigan Museum of Zoology Miscellaneous Publications No. 192. iv + 215 pp. |
| 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. |
| COSEWIC. 2005. COSEWIC assessment and update status report on the Lake Ontario Kiyi Coregonus kiyi orientalis and Upper Great Lakes Kiyi Coregonus kiyi kiyi in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vi + 17 pp. |
| COSEWIC. 2023. Canadian wildlife species at risk. October 2023. Committee on the Status of Endangered Wildlife in Canada. Gatineau, QC. iv + 130 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. |
| Eshenroder, R.L, Vecsei, P., Gorman, O.T., Yule, D.L., Pratt, T.C., Mandrak, N.E., Bunnell, D.B., and Muir, A.M. 2016. Ciscoes (Coregonus, subgenus Leucichthys) of the Laurentian Great Lakes and Lake Nipigon. Great Lakes Fishery Commission Misc Pub. 2016-01. v + 140 pp. |
| 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. |
| Goodyear, C.S., T.A. Edsall, D.M. Ormsby Dempsey, G.D. Moss, and P.E. Polanski. 1982. Atlas of the spawning and nursery areas of Great Lakes fishes. Volume thirteen: Reproductive characteristics of Great Lakes fishes. U.S. Fish and Wildlife Service. Washington, DC. FWS/OBS-82/52. |
| 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. |
| Jelks, H.L., S.J. Walsh, N.M. Burkhead, S. Contreras-Balderas, E. Díaz-Pardo, D.A. Hendrickson, J. Lyons, N.E. Mandrak, F. McCormick, J.S. Nelson, S.P. Platania, B.A. Porter, C.B. Renaud, J. J. Schmitter-Soto, E.B. Taylor, and M.L. Warren, Jr. 2008. Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8):372-407. |
| Koelz, W. 1929. Coregonid fishes of the Great Lakes. Bull. U.S. Bur. Fish. 43:297-643. |
| Lane, P.A., C.B. Portt, and C.K. Minns. 1996. Nursery habitat characteristics of Great Lakes fishes. Can. MS Rpt. Fish. Aquat. Sci. 2338: v + 42 p. |
| Lane, P.A., C.B. Portt, and C.K. Minns. 1996. Adult habitat characteristics of Great Lakes fishes. Can. MS Rpt. Fish. Aquat. Sci. 2358: v + 43 p. |
| Lane, P.A., C.B. Portt, and C.K. Minns. 1996. Spawning habitat characteristics of Great Lakes fishes. Can. MS Rpt. Fish. Aquat. Sci. 2368: v + 48 p. |
| 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. |
| Ontario Ministry of Natural Resources (OMNR). 2013. Extinct, not at risk and data deficient species in Ontario list, 18 April 2013. |
| 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., K.E. Bemis, T.E. Dowling, H.S. Espinosa-Pérez, L.T. Findley, C.R. Gilbert, K.E. Hartel, R.N. Lea, N.E. Mandrak, M.A. Neighbors, J.J. Schmitter-Soto, and H.J. Walker Jr. 2023. Common and scientific names of fishes from the United States, Canada, and Mexico. 8th Edition. American Fisheries Society, Spec. Publ. 37. Bethesda, MD. 439 pp. |
| Parker, B. 1989. Status of the Kiyi, Coregonus kiyi, in Canada. Can. Field-Nat. 103(2):171-174. |
| 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. 2006. Annotated checklist of North American freshwater fishes, including subspecies and undescribed forms. Part II: Catostomidae through Mugilidae. American Currents 32(4):1-39. |
| Smith, C.L. 1985. The inland fishes of New York State. New York State Department of Environmental Conservation. Albany, NY. xi + 522 pp. |
| Wismer, D.A. and A.E. Christie. 1987. Temperature relationships of Great Lakes fishes: a data compilation. Great Lakes Fish. Comm. Spec. Pub. 87-3. 195 pp. |
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