Researcher Institute Zoology University Genoa, 1981-1987. Associate professor zoology biology department University Lecce (Italy), 1987-1994, professor zoology biology department, since 1994. Member four oceanographic expeditions Central Laboratory Hydrobiology, Rome, Group of Oceanol.
Research, Genoa, 1973-1976. Visiting scientist University Berkeley, Bodega Bay, California, 1983, Statistics Biologique, Laing Is., Papua-New Guinea, 1986-1988, 88-89, University California, 1996. Presenter, researcher in field.
- Author: (with Morri C.) Catalogue of main marine fouling organisms, Volunteer 7, 1986, (with others) Modern Trends in Systematics, Ecology, and Evolutionof Hydroids and Hydromedusae, 1987, (with others) Aspects of Hydrozoan Biology, 1992, Advances in Hydrozoan Biology, 1996. Contributor 104 articles to scientific journals.
Member American Society Naturalists, Unione Zoological Italiana, Society Italiana Ecologia, Society Italiana Biologia Marina (member committees), Association Italiana Oceanografia e Limnologia (member council), Gruppo "Gaddio" Ecologia di Base, Commission International Exploration Scientifique de la Mer Méditerranée, Hydrozoan Society (secretary), Linnean Society London, European Society Evolutionary Biology.