Coregonus reighardi Koelz, 1924

Shortnose cisco



Taxonomy & Nomenclature



Conservation Status

Extinct (Burkhead, 2012)

Last record: 1964 (Lake Ontario); 1982 (Lake Michigan); 1985 (Lake Huron)

IUCN RedList status: Critically Endangered (Possibly Extinct)


Estimated date of extinction: 1985 (Burkhead, 2012)



Great Lakes, North America


Biology & Ecology










Original scientific description:

Koelz, Walter. (1924). Two new species of cisco from the Great Lakes. Occasional Papers of the Museum of Zoology 146: 1-8.


Other references:

Burkhead, Noel M. (2012). Extinction Rates in North American Freshwater Fishes, 1900–2010. BioScience 62(9): 798-808.

Gimenez Dixon, M. (1996). Coregonus reighardi. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. ( Downloaded on 09 July 2011.

Jelks, Howard L., Walsh, Stephen J., Burkhead, Noel M., Contreras-Balderas, Salvador, Díaz-Pardo, Edmundo, Hendrickson, Dean A., Lyons, J., Mandrak, Nicholas E., McCormick, Frank, Nelson, Joseph F., Platania, Steven P., Porter, Brady A., Renaud, Claude B., Schmitter-Soto, Juan Jacabo, Taylor, Eric B. and Warren, Melvin L. Jr. (2008). Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8): 372-407.

Koelz, W. N. (1929). Coregonid fishes of the Great Lakes. U.S. Bureau Fisheries Bulletin 43 (Part II): 297-643.

Mandrak, N. E., Pratt, T. C. and Reid, S. M. (2014). Evaluating the current status of deepwater ciscoes (Coregonus spp.) in Canadian waters of Lake Huron, 2002-2012, with emphasis on Shortjaw Cisco (C. zenithicus). DFO Can. Sci. Advis. Sec. Res. Doc. 2013/108. v + 12 pp.

McAllister, D. E. (1990). A List of the Fishes of Canada (National Museum of Natural Sciences) number 64

Ono, R. Dana, Williams, James D. and Wagner, Anne [with painting by Aleta Pahel]. (1983). Vanishing Fishes of North America. Washington DC: Stone Wall Press, Inc. 257 pp.

Parker, B. J. (1988). Status of the Shortnose Cisco, Coregonus reighardi, in Canada. Canadian Field- Naturalist 102(1): 92-96.

Roth, B.M., Mandrak, N.E., Hrabik, T., Sass, G.G., and Peters, J. 2013. Fishes and decapod crustaceans of the Great Lakes basin. In Great Lakes Policy and Management. Edited by W.W. Taylor, A.J. Lynch, and N.J. Leonard. Michigan State University Press, East Lansing, MI. pp. 105-135.

Suckling, Kieran, Slack, Rhiwena and Nowicki, Brian. (2004). Extinct and the Endangered Species Act. Centre For Biological Diversity. 63 pp.

Webb, S. A. and Todd, T. N. (1995). Biology and Status of the Shortnose Cisco, Coregonus reighardi KOELZ in the Laurentian Great Lakes. Ergebnisse der limnologie 0(46): 71-77


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