Sander canadensis
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Percidae (Perches)
Sander
Sander canadensis (Sauger)
Description
This species account was compiled from
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Characters
Body shape: elongated.
Distribution
North America: St. Lawrence-Great Lakes, Hudson Bay, and Mississippi River basins from Quebec to Alberta in Canada, and south to northern Alabama and Louisiana in the USA. Introduced into Atlantic, Gulf and southern Mississippi River drainages.
Habitat Associations
Freshwater. demersal. Found in: streams, lakes.
Biology
Inhabits sand and gravel runs, sandy and muddy pools and backwaters of small to large rivers (Ref. 86798). Less frequent in lake and impoundments (Ref. 86798). Larvae feed on cladocerans, copepods, and midge larvae, while juveniles consume fishes (Ref. 10294). Spawn between March and June (Ref. 10999) in pairs or small aggregations (Ref. 11003).
Max length: 76.0 cm TL; common length: 35.8 cm TL; max weight: 3960 g; max age: 18 years.
Reproductive mode: dioecism; fertilization: external; nonguarders (open water/substratum egg scatterers); parental care: none.
IUCN Red List Status: Least Concern (LC), assessed 2012-03-01. Resilience: Medium (K=0.23; tmax=7).
Commercial or Environmental Importance
Fisheries: subsistence fisheries; gamefish.
References
Scott, W.B. and E.J. Crossman (1973) Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966.
Collette, B.B., M.A. Ali, K.E.F. Hokanson, M. Nagiec, S.A. Smirnov, J.E. Thorpe, A.H. Weatherly and J. Willemsen (1977) Biology of the percids. J. Fish. Res. Board Can. 34(10):1891-1899.
Balon, E.K. (1975) Reproductive guilds of fishes: a proposal and definition. J. Fish. Res. Board Can. 32(6):821-864.
Page, L.M. and B.M. Burr (2011) A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p.
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