We investigate basic processes and mechanisms in the reproduction of fish. In particular we work on the following topics:

We investigate the morphology and the cellular and sub-cellular organization of the gonads, the efferent duct system, and the accessory glands in fresh water and marine fishes to get information about their function. Also the maturation processes of gametes and their natural and artificial control is one of our research interests. These data are of particular relevance for aquaculture.

Fish gametes reveal great interspecific differences in their morphological organization, physiology and metabolism. Therefore our research focuses on the characterization of sperm structure, sperm motility, egg activation and gamete metabolism.

Concerning the embryos and larvae our research interests lie in the morphological and physiological differentiation processes and in nutritional aspects of fish larvae.