CONTENTS 



Page 



Description of the Red Lakes 1 



History of the Red Lakes fisheries 3 



Events that led to the investigation 11 



Fishes of the Red Lakes 11 



Statistics of the Red Lakes fisheries 14 



Total yield and value 14 



Relative Importance of Upper and Lower Red Lakes 14 



Production by Indian and white fishermen 17 



Seasonal distribution of the catch 17 



Fishermen 19 



Fishing effort 19 



Average catch per lift 20 



The walleyes of Lower Red Lake 25 



Length -frequency distributions 25 



Rate of growth 27 



Comparison of the growth in Lower Red Lake and in other 



waters 27 



Length -wei^t relation and coefficient of condition 31 



Maturity and sex ratio •. 31 



Spawning habits and season 38 



The yellow perch of Lower Red Lake 40 



Length -frequency distributions 40 



Rate of growth 40 



Length -wei^t relation and coefficient of condition 42 



Maturity and sex ratio 48 



The goldeye of the Red Lakes 48 



The freshwater drum of the Red Lakes 48 



Notes on the whitefish 50 



Notes on the northern pike 50 



Notes on the suckers 50 



The rock bass 50 



Artificial propagation 50 



Walleye 51 



Whitefish 57 



Brook, brown, rainbow, and lake trout 60 



Summary 60 



Literature cited 63 



