This chapter provides an overview of the biology of waterfleas of the genus Daphnia. It describes basic aspects of individual physiology and nutrition, including some remarks about immunity. It summarizes the typical life cycle and development of Daphnia. The modes of reproduction and the induction of resting egg production in cyclic and obligate parthenogenetic forms are discussed. Finally, population biological aspects, such as behavioral ecology, habitat preferences, population genetics, a...
