1.Introduction  2 Systematics 3 Ecological Status of Hillstreams 4Anchorage System in Hillstream Fishes 5
Food and Feeding Habits 6 The Digestive System 7 The Respiratory System 8 Gill Morphometries 9 Use of Biocidal Plant sap for Fishing: A PositiveThreat to Fish Conservation in Hill streams 10 Oxygen Uptake 11
Reproductive Biology