Manitoba's ninety-three species of fish give the province the third most diverse fish population in Canada. The provinceAss variety of geological features, with its major lakes, rivers, tributaries, and watersheds, is due in large part to its history as the basin for Glacial Lake Agassiz. This, combined with its access to the waters of Hudson Bay and large American river systems, has provided habitat for a wide diversity of freshwater fish. Species from lampreys to goldeye, catfish to perch, bigmouth bass to slimy sculpin swim in waters from arctic rivers in the north to Red River tributaries and down to the Mississippi in the south.Freshwater Fishes of Manitoba is a comprehensive, user-friendly guide. Each species is accurately depicted in detailed colour photographs and accompanying map, with descriptions of physical characteristics, spawning and feeding habits, distribution, habitat, ecological role, and economic importance. The guide also includes an extensive glossary, keys to identifying the families, species, and subspecies, and information on documentation and preservation of specimens. Freshwater Fishes of Manitoba is not only the definitive guide to these fishes of Manitoba, it is also accessible and reliable for a range of users from general fishers to professional fish biologists.SpawNiNg: Becker (1983) reports that, in Wisconsin, goldfish spawn when the watertemperature reaches 15.6AdC and continue ... By contrast, Becker (1983) reports a range of 81a84 mm total length for Age 0 goldfish. ... The goldfish is tolerant of hypoxic conditions and can survive winterkill conditions that eliminate most native species of minnows. ... vegetation, but are not widespread enough to have a significant role as competitors with native minnows or as food for piscivores.
|Title||:||Freshwater Fishes of Manitoba|
|Author||:||Kenneth Stewart, Douglas Watkinson|
|Publisher||:||Univ. of Manitoba Press - 2004-05-03|