Research: Evolution of megadiverse faunas, systematics and evolution of aquatic Coleoptera, molecular phylogenetics, aquatic insects of Papua Neu Guinea and training of local conservation biologists
Research: Comparative neuroanatomy and evolution of visual systems in Chelicerata; taxonomy, diversity, development, neuroanatomy and general biology of Pycnogonida
Research: Studying the morphological effects of potential habitat and character displacement in a Neotropical lizard (Anolis) following invasion by a congener
Research: Freshwater fishes of West- and Central Africa and of the Indonesian Island of Sulawesi: Systematics, phylogeny, biogeography, diversity und speciation. Diversity of Bavarian fishes
Research: Phylogenomische Analysen im Rahmen des von der VW-Stiftung geförderten Projektes “Hering, Lachs und Karpfen, alte Bekannte mit unbekannter Verwandtschaft“, sowie Systematik, Taxonomie, Stammesgeschichte, Biogeographie, Diversität und Artentstehung squaliformer Haie, besonders der Laternenhaie (Etmopteridae).
