TABLE OF CONTENTS 



Page 



General Ecological Considerations 7 



Introduction 7 



The region under discussion 9 



Climatology 18 



Lake Conditions 19 



Ecological Habitats of Fishes 22 



Rivers and Streams 22 



Lakes 22 



Fishes of Southern Wisconsin (Waukesha County) 25 



Order Rhomboganoidea 25 



Family Lepisosteidae ' 25 



Order Cycloganoidea 25 



Family Amiidae 25 



Order Isospondyli 26 



Family Salmonidae 26 



Order Apodes 30 



Family Anguillidae 30 



Order Eventognathi 30 



Family Catostomidae 30 



Family Cyprinidae 33 



Order Nematognathi 40 



Family Siluridae 40 



Order Haplomi 42 



Family Umbridae 42 



Family Esocidae 43 



Family Poeciliidae 44 



Order Acanthopteri 45 



Family Gasterosteidae 45 



Family Atherinidae 45 



Family Centrarchidae 46 



Family Percidae 51 



Family Serranidae 56 



Family Sciaenidae 57 



Family Cottidae 57 



Summary of species 58 



Distribution of species by habitat 58 



The Brook Silversides, Labidesthes sicculus (Cope) 62 



Introduction and description 62 



Breeding habits 64 



Development 66 



The young 67 



Growth of the young 71 



