Observation of marine vulnerable mobile species in Sicilian waters, Ionian Sea (surveys 2015-2019)

Data on different mobile species recorded by expert observers in Sicily, Ionian Sea, with a focus in the Gulf of Catania, in the framework of the project \"Dolphin watching and conservation in the Gulf of Catania\" promoted by the MareCamp association (years 2015-2019), and the \"Floating Laboratories\" initiative carried out with the supervision of the Low Impact Fishers of Europe (LIFE) platform (year 2019).