Biology of Sharks and Their Relatives: Food Consumption and

1,01
MB Feeding Habits

22
stron

4887
ID University of Barcelona

2004
rok

CONTENTS

8.1 Introduction . 223

8.2 Diet 224

8.2.1 Quantification of Diet . 224

8.2.2 Broad Dietary Groups. 225

8.2.3 Diet Shifts 226

8.2.4 Feeding Relationships . 227

8.2.5 Feeding Patterns 228

8.2.6 Trophic Levels. 229

8.3 Food Consumption . 229

8.3.1 Daily Ration 229

8.3.2 Gastric Evacuation 230

8.4 Excretion and Egestion 233

8.4.1 Excretion . 233

8.4.2 Egestion . 233

8.5 Production 234

8.6 Conclusions . 235

References . 235