Good morning. The Department of Evolutionary Biology of the University of Florence, in collaboration with the Ente Tutela Pesca del Friuli-Venezia Giulia (ETP), is carrying out a survey on crayfishes within the European Life Rarity project. To do that your help is higly needed. You should just anynimously answer the few and simple questions of the questionnaire below. Only data elaborated from all interviews will be made available to commissioning offices.