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Canadian Manuscript Report of Fisheries and Aquatic Sciences 2554 Morphological and Ecological Characteristics of Canadian Freshwater Fishes G.A. Coker1, C.B. Portt1, and C.K. Minns2 1 C. Portt and Associates 56 Waterloo Avenue Guelph, Ontario N1H 3H5 CANADA 2 Great Lakes Laboratory for Fisheries and Aquatic Sciences Fisheries and Oceans Canada Bayfield Institute, 867 Lakeshore Road, P.O. Box 5050 Burlington, Ontario L7R 4A6 CANADA January 2001 Canadian Manuscript Report of Fisheries and Aquatic Sciences 2554 Fisheries Pêches and Oceans et Océans Canadian Manuscript Report of Fisheries and Aquatic Sciences Manuscript reports contain scientific and technical information that contributes to existing knowledge but which deals with national or regional problems. Distribution is restricted to institutions or individuals located in particular regions of Canada. However, no restriction is placed on subject matter, and the series reflects the broad interests and policies of the Department of Fisheries and Oceans, namely, fisheries and aquatic sciences. Manuscript reports may be cited as full publications. The correct citation appears above the abstract of each report. Each report is abstracted in Aquatic Sciences and Fisheries Abstracts and indexed in the Department’s annual index to scientific and technical publications. Numbers 1-900 in this series were issued as Manuscript Reports (Biological Series) of the Biological Board of Canada, and subsequent to 1937 when the name of the Board was changed by Act of Parliament, as Manuscript Reports (Biological Series) of the Fisheries Research Board of Canada. Numbers 901-1425 were issued as Manuscript Reports of the Fisheries Research Board of Canada. Numbers 1426-1550 were issued as Department of Fisheries and the Environment, Fisheries and Marine Service Manuscript Reports. The current series name was changed with report number 1551. Manuscript reports are produced regionally but are numbered nationally. Requests for individual reports will be filled by the issuing establishment listed on the front cover and title page. Out-of-stock reports will be supplied for a fee by commercial agents. Rapport manuscrit canadien des sciences halieutiques et aquatiques Les rapports manuscrits contiennent des renseignements scientifiques et techniques qui constituent une contribution aux connaissances actuelles, mais qui traitent de problèmes nationaux ou régionaux. La distribution en est limitée aux organismes et aux personnes de régions particulières du Canada. Il n’y a aucune restriction quant au sujet; de fait, la série reflète la vaste gamme des intérêts et des politiques du ministére des Pêches et des Océans, e’est-à-dire les sciences halieutiques et aquatiques. Les rapports manuscrits peuvent être cités comme des publications complèrwa. Le titre exact paraît au-dessus du résumés de chaque rapport. Les rapports manuscrits sont résumés dans la revue Résumés des sciences aquatiques et halieutiques,et ils sont classés dans l’index annuel des publications scientifiques et techniques du Ministére. Les numéros 1 à 900 de cette série ont été publiés à titre de manuscrits (série biologique) de l’Office de biologie du Canada, et aprés le changement de la désignation de cet organisme par décret du Parlement, en 1937, ont été classés comme manuscrits (série biologique) de l’Office des recherches sur les pêcheries du Canada. Les numéros 901 à 1425 ont été publiés à titre de rapports manuscrits de l’Office des recherches sur les pêcheries du Canada. Les numéros 1426 à 1550 sont parus à titre de rapports manuscrits du Service des pêches et de la mer, ministère des Pêches et de l’Environnement. Le nom actuel de la série a été établi lors de la parution du numéro 1551. Les rapports manuscrits sont produits à l’échelon régional, mais numérotés à l’échelon national. Les demandes de rapports seront satisfaites par l’établissement auteur don’t le nom figure sur la couverture et la page du titre. Les rapports épuisés seront fournis contre rétribution par des agents commerciaux. Canadian Manuscript Report of Fisheries and Aquatic Sciences 2554 January 2001 Morphological and Ecological Characteristics of Canadian Freshwater Fishes by G.A. Coker1, C.B. Portt1, and C.K. Minns2 1C. Portt and Associates, 56 Waterloo Avenue, Guelph, Ontario, N1H 3H5, CANADA. 2Department of Fisheries and Oceans, Great Lakes Laboratory for Fisheries and Aquatic Sciences, Bayfield Institute, 867 Lakeshore Road, P.O. Box 5050, Burlington, Ontario, L7R 4A6, CANADA. Minister of Supply and Services Canada 2001 Cat. No. FS97-4/2554 ISSN 070-6473 Correct citation of this publication: 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+89p. ii ABSTRACT This document has been prepared as part of an on-going program to provide reference databases describing Canadian freshwater fish species ecology and life history characteristics as a basis for developing standard evaluation techniques that permit comparison of pre- versus post- alteration of habitat and fish productivity conditions. The need for such standard techniques arises from the required assessment of development applications under the Department of Fisheries and Oceans’ Policy for the Management of Fish Habitat, of which the guiding principle is “no net loss of the productive capacity of fish habitats”. This report extends coverage to species across Canada from that compiled for selected species in the Great Lakes basin earlier. A compilation of life history parameters is presented for the 207 species of fish that normally maintain viable populations, reproduce, or occur for significant periods of their life, in the freshwaters of Canada. The parameters include: lake or stream habitat preference; thermal preference; dominant adult feeding habits including location, method, and diet; maximum age; maximum length; maximum weight; median age, length, and weight at maturity; reproductive guild; weight-length regressions; and, status as a fishery target. The available information was screened to select data that was, whenever possible, derived from Canadian populations. The data assembled show the tremendous variety of ecological and life history characteristics to be found in Canadian freshwater fishes, native and introduced. RÉSUMÉ Le présent document a été préparé dans le cadre d’un programme continu visant à créer des bases de données de référence qui décrivent les caractéristiques du cycle vital et de l’écologie des espèces de poissons d’eau douce. Ces bases de données serviront à élaborer des techniques standard d’évaluation permettant de comparer l’état de l’habitat et de la productivité des poissons avant et après leur altération. Ces techniques standard sont nécessaires pour évaluer les demandes des promoteurs dans le cadre de la Politique de gestion de l’habitat du poisson du ministère des Pêches et des Océans, dont le principe directeur est de n’autoriser aucune perte nette de la capacité de production des habitats du poisson. Le présent rapport touche non seulement les espèces du bassin des Grands Lacs déjà retenues, mais des espèces présentes dans l’ensemble du Canada. Une compilation des paramètres du cycle vital est présentée pour les 207 espèces de poissons qui maintiennent habituellement des populations viables, se reproduisent ou vivent pendant une portion importante de leur existence dans les eaux douces canadiennes. Les paramètres sont les suivants : préférence pour des habitats lacustres ou lotiques; préférences thermiques; habitudes alimentaires prédominantes chez les adultes (endroit, méthode et régime); âge maximal; longueur maximale; poids maximal; âge, longueur et poids médians à maturité; guilde reproductive; régressions poids/longueur; espèces exploitables par la pêche. On a dépouillé les renseignements existants pour retenir, autant que possible, les données obtenues sur des populations canadiennes. Les données regroupées montrent l’immense variété des caractéristiques de l’écologie et du cycle vital que l’on peut observer chez les poissons d’eau douce du Canada, qu’ils soient indigènes ou introduits. iii TABLE OF CONTENTS ABSTRACT.....................................................................................................................................iii RÉSUMÉ .........................................................................................................................................iii LIST OF TABLES ............................................................................................................................ iv INTRODUCTION .............................................................................................................................1 METHODS .......................................................................................................................................2 RESULTS .........................................................................................................................................6 ACKNOWLEDGEMENTS ................................................................................................................8 REFERENCES ..................................................................................................................................9 APPENDIX A.................................................................................................................................. 83 APPENDIX B.................................................................................................................................
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